JP3755987B2 - Emulsified composition - Google Patents
Emulsified composition Download PDFInfo
- Publication number
- JP3755987B2 JP3755987B2 JP11278698A JP11278698A JP3755987B2 JP 3755987 B2 JP3755987 B2 JP 3755987B2 JP 11278698 A JP11278698 A JP 11278698A JP 11278698 A JP11278698 A JP 11278698A JP 3755987 B2 JP3755987 B2 JP 3755987B2
- Authority
- JP
- Japan
- Prior art keywords
- fatty acid
- oil
- glycerin fatty
- acid
- emulsified composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 38
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 56
- 239000000194 fatty acid Substances 0.000 claims description 56
- 229930195729 fatty acid Natural products 0.000 claims description 56
- -1 glycerin fatty acid Chemical class 0.000 claims description 56
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 claims description 48
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 40
- 235000011187 glycerol Nutrition 0.000 claims description 35
- 229940114072 12-hydroxystearic acid Drugs 0.000 claims description 24
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 claims description 22
- 150000004665 fatty acids Chemical class 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 29
- 239000000839 emulsion Substances 0.000 description 27
- 239000003921 oil Substances 0.000 description 13
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- 235000019198 oils Nutrition 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000004166 Lanolin Substances 0.000 description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 235000019388 lanolin Nutrition 0.000 description 8
- 229940039717 lanolin Drugs 0.000 description 8
- 239000004359 castor oil Substances 0.000 description 7
- 235000019438 castor oil Nutrition 0.000 description 7
- 239000003925 fat Substances 0.000 description 7
- 238000009472 formulation Methods 0.000 description 7
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000006071 cream Substances 0.000 description 6
- 230000001804 emulsifying effect Effects 0.000 description 6
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- 239000000047 product Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
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- 235000015278 beef Nutrition 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 125000005456 glyceride group Chemical group 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
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- 241001465754 Metazoa Species 0.000 description 3
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- 238000011156 evaluation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
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- 239000002994 raw material Substances 0.000 description 3
- 150000004671 saturated fatty acids Chemical class 0.000 description 3
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 3
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- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
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- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 235000019864 coconut oil Nutrition 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
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- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 235000019271 petrolatum Nutrition 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 1
- BJDAUCLANVMIOB-UHFFFAOYSA-N (3-decanoyloxy-2,2-dimethylpropyl) decanoate Chemical compound CCCCCCCCCC(=O)OCC(C)(C)COC(=O)CCCCCCCCC BJDAUCLANVMIOB-UHFFFAOYSA-N 0.000 description 1
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
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- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- LGEZTMRIZWCDLW-UHFFFAOYSA-N 14-methylpentadecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC(C)C LGEZTMRIZWCDLW-UHFFFAOYSA-N 0.000 description 1
- ABEXEQSGABRUHS-UHFFFAOYSA-N 16-methylheptadecyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC(C)C ABEXEQSGABRUHS-UHFFFAOYSA-N 0.000 description 1
- RNNHLXAEVKCLDG-UHFFFAOYSA-N 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane Chemical compound C[Si]1(C)O[SiH2]O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 RNNHLXAEVKCLDG-UHFFFAOYSA-N 0.000 description 1
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- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 description 1
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Description
【0001】
【発明の属する技術分野】
本発明は、グリセリン脂肪酸モノエステルおよび12−ヒドロキシステアリン酸モノグリセリドを含有する乳化組成物、さらに詳しくはグリセリン脂肪酸モノエステルのβ型結晶成長が抑制された乳化安定性に優れた乳化組成物に関するものである。
【0002】
【従来の技術】
グリセリン脂肪酸モノエステルは、油脂と同じ構造をもち、油脂の代謝過程での代謝成分であるため安全であること、および乳化性、抱水性、抱油性等の機能特性が優れていることから、化粧品、医薬品、食品等幅広い分野に用いられている。乳化剤としては主に疎水性を示することから、単独もしくは他の親水性界面活性剤と組み合わせることで、水中油型あるいは油中水型等の乳化組成物を形成する。また食品分野においては食品用添加物として使用を許可され、乳化剤、パン・ケーキの起泡剤、油脂の可塑化剤、豆腐製造時の消泡剤など幅広く用いられている。
【0003】
グリセリン脂肪酸モノエステルはsub−α、α、βと呼ばれる結晶多形を有していることが知られており、その結晶性について種々の報告がなされている。グリセリン脂肪酸モノエステルはα型からβ型に転移し、安定なβ型結晶をとる。グリセリン脂肪酸モノエステルの良好な乳化性や起泡性は、α型結晶の形をとるときに発現することが一般に知られている。しかしながら、β型結晶に転移して結晶が成長しはじめると、粗大な結晶物が生成したり、食品においては食感が固くなり、商品としての外観、使用感等の安定性を損なってしまうことが多々あった。
【0004】
つまり、グリセリン脂肪酸モノエステルのβ型結晶の成長抑制が商品を長期間にわたり高品質に保つための鍵となるため、その問題の検討が試みられてきた。その解決方法のひとつとして、抑制作用のをもつ第三の物質を添加することによりβ型結晶への転移を抑制し、α型結晶を持続させようとするものがある。例えば、化粧料においては、セタノール、ステアリルアルコール、ベヘニルアルコール等の高級アルコールを添加する方法がしばしばとられるが、高級アルコールは、臭いが悪い、乳化組成物のキメを粗くする、肌への使用感を悪くする等の問題があり、配合上の制約を余儀なくされている。
【0005】
また、食品分野においては、プロピレングリコールモノ脂肪酸エステルをモノグリセリドとほぼ同量配合すると、グリセリン脂肪酸モノエステルのα型結晶が長期間持続し、食感を良好に保つことが報告されている。しかしながらプロピレングリコールモノ脂肪酸エステルは疎水性界面活性剤としての能力が乏しいため、乳化組成物中の粒子を大きくし、クリーミングや油浮きを起こす一因となる。したがって、グリセリン脂肪酸モノエステルが化粧料や外用剤において乳化剤として使用されていることを考慮すれば、化粧料分野での乳化物の安定性に関してはプロピレングリコールモノ脂肪酸エステルよりも乳化性に優れた結晶成長抑制剤が望まれる。
【0006】
【発明が解決しようとする課題】
したがって、本発明の目的は、グリセリン脂肪酸モノエステルの乳化性を損なわず、安全性が高く、かつ乳化物のキメを損なわない、グリセリン脂肪酸モノエステルのβ型結晶の成長が抑制された乳化組成物を提供することにある。
【0007】
【発明が解決するための手段】
前記目的を達成するために、本発明者らは鋭意検討を重ねた結果、グリセリン脂肪酸モノエステルを配合した乳化組成物において、グリセリン脂肪酸モノエステルのβ型結晶の成長を抑制する物質のスクリーニングおよび方法について種々検討を行なった。その結果、グリセリン脂肪酸モノエステルと同じ疎水性界面活性剤でもあり、単独で用いると同様に粗大結晶が析出しやすい12−ヒドロキシステアリン酸モノグリセリドを併用したとき、グリセリン脂肪酸モノエステルの乳化性が低下することなく、また乳化助剤を必要としないで、結晶析出すなわちβ型結晶成長が抑えられることを見い出した。本発明はかかる知見に基づいて完成したものである。
すなわち、本発明によれば、グリセリン脂肪酸モノエステルおよび12−ヒドロキシステアリン酸モノグリセリドを含有する乳化組成物であって、グリセリン脂肪酸モノエステルと12−ヒドロキシステアリン酸モノグリセリドの配合比が7:3〜3:7であり、グリセリン脂肪酸モノエステルが炭素数12〜22の直鎖飽和脂肪酸を構成脂肪酸とする1種または2種以上からなる乳化組成物が提供される。
【0008】
【発明の実施の形態】
本発明の乳化組成物を得るための必須原料成分としては、グリセリン脂肪酸モノエステルがある。本発明において、グリセリン脂肪酸モノエステルはその構成脂肪酸は直鎖飽和脂肪酸であれば用いることができるが、より好適にはその構成脂肪酸がラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、アラキジン酸、ベヘン酸等、炭素数12〜22の直鎖飽和脂肪酸を例示でき、これらは1種または2種以上の組み合わせの混合物として使用できる。グリセリン脂肪酸モノエステルの純度に関わらず、本発明の乳化組成物は得られるが、より良好な外観をもつ乳化組成物を得るためには、純度が40%以上のものを用いるのが好ましい。純度が40%未満では、乳化組成物の粒子は全体に粗くなり好ましくない。
【0009】
次に、12−ヒドロキシステアリン酸モノグリセリドは、ヒマシ油を原料として得られる12−ヒドロキシステアリン酸とグリセリンをエステル化したものや、硬化ヒマシ油とグリセリンのエステル交換によって得られるものなどを使用できる。なお、ヒマシ油を原料として製造されたものは、構成脂肪酸の80%以上が12−ヒドロキシステアリン酸であり、通常、純度は40%以上である。本発明ではそれらをそのまま、あるいは蒸留や精製などして純度を90%以上に高めたものを用いてもよい。乳化性を考慮すれば高純度のものを使用するのが好ましい。
【0010】
グリセリン脂肪酸モノエステルと12−ヒドロキシステアリン酸モノグリセリドの比率は9:1〜1:9と幅広い範囲でβ型結晶成長の抑制効果を発揮するが、より一層の効果を期待するならその比率は7:3〜3:7で用いるのが好ましい。この効果はグリセリン脂肪酸モノエステルおよび12−ヒドロキシステアリン酸モノグリセリドと油性成分、水性成分で形成される乳化組成物で効果があるが、他の界面活性剤を併用して乳化組成物を調製する場合でも効果を発揮する。
【0011】
本発明の乳化組成物には、本発明の効果を妨げない範囲で通常の乳化組成物に使用される界面活性剤、固体、半固体、液状の油剤、水、アルコール類、多価アルコール類、水溶性高分子、防腐・抗菌剤、酸化防止剤等を添加することができる。それぞれ特に限定されるものではないがいくつか例を挙げると、本発明に用いることのできる界面活性剤は、非イオン性界面活性剤としては、ポリグリセリン脂肪酸エステル、ポリエチレングリコール脂肪酸エステル、ポリオキシエチレンアルキルエーテル、ポリオキシエチレン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンソルビトール脂肪酸エステル、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレンプロピレングリコール脂肪酸エステル、ポリオキシエチレンヒマシ油、ポリオキシエチレン硬化ヒマシ油等が挙げられる。アニオン性界面活性剤としては、ステアリン酸ナトリウムやパルミチン酸トリエタノールアミン等の脂肪酸セッケン、アルキルエーテルカルボン酸およびその塩、アミノ酸と脂肪酸の縮合等のカルボン酸塩アルキルスルホン酸、脂肪酸エステルのスルホン酸塩、脂肪酸アミドのスルホン酸塩、ポリオキシエチレンアルキル硫酸エステル塩、アルキルリン酸塩、N−アシルアミノ酸系活性剤等が挙げられる。
【0012】
油剤としては天然動植物油脂類、および半合成油脂、炭化水素油、高級脂肪酸、エステル油、シリコーン油等があるが、天然動植物油脂類、および半合成油脂としてはアボガド油、アマニ油、アーモンド油、オリーブ油、カルナウバロウ、キャンデリラロウ、牛脂、牛脚脂、牛骨脂、硬化牛脂、小麦胚芽油、ゴマ油、米胚芽油、米糠油、サフラワー油、大豆油、ツバキ油、月見草油、トウモロコシ油、菜種油、馬脂、パーム油、パーム核油、ヒマシ油、硬化ヒマシ油、ヒマワリ油、ホホバ油、マカデミアナッツ油、ミツロウ、ミンク油、綿実油、ヤシ油、硬化ヤシ油、落花生油、ラノリン、液状ラノリン、還元ラノリン、ラノリンアルコール、ラノリン脂肪酸イソプロピル、POEラノリンアルコールエーテル、ラノリン脂肪酸ポリエチレングリコール、POE水素添加ラノリンアルコールエステル等が挙げられ、炭化水素としてはスクワラン、スクワレン、セレシン、パラフィン、パラフィンワックス、流動パラフィン、マイクロクリスタリンワックス、ワセリン等が挙げられ、高級脂肪酸としてはラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘン酸、ウンデシレン酸、オレイン酸、リノール酸、リノレン酸、イソステアリン酸、12−ヒドロキシステアリン酸等が挙げられ、エステル油としてはアジピン酸ジイソブチル、アジピン酸2−ヘキシルデシル、アジピン酸ジ−2−ヘプチルウンデシル、イソステアリン酸イソステアリル、トリイソステアリン酸トリメチロールプロパン、2-エチルヘキサン酸セチル、ジ−2−エチルヘキサン酸ネオペンチルグリコール、トリ−2−エチルヘキサン酸トリメチロールプロパン、テトラ−2−エチルヘキサン酸ペンタエリスリトール、オクタン酸セチル、オレイン酸オレイル、オレイン酸オクチルドデシル、オレイン酸デシル、ジカプリン酸ネオペンチルグリコール、コハク酸2−エチルヘキシル、ステアリン酸イソセチル、ステアリン酸ブチル、セバシン酸ジイソプロピル、乳酸セチル、乳酸ミリスチル、パルミチン酸2−エチルヘキシル、パルミチン酸2−ヘキシルデシル、パルミチン酸2−ヘプチルウンデシル、12−ヒドロキシステアリン酸コレステリル、リンゴ酸ジイソステアリル等が挙げられ、グリセライド油としては、トリイソオクタン酸グリセライド、トリイソステアリン酸グリセライド、トリイソパルミチン酸グリセライド、トリ2−エチルヘキサン酸グリセライド、トリミリスチン酸グリセライド等が挙げられ、シリコーン油としてはジメチルポリシロキサン、メチルフェニルポリシロキサン、メチルハイドロジェンポリシロキサン、オクタメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、ステアロキシシリコーン等の高級アルコキシ変成シリコーン、アルキル変成シリコーン、高級脂肪酸エステル変性シリコーン、高級脂肪酸エーテル変性シリコーン等が挙げられる。
【0013】
アルコール、多価アルコール類としてはエタノール、イソプロパノール等の低級アルコール、ソルビトール、キシリトール、マルトース等の糖アルコール、プロピレングリコール、1, 3−ブチレングリコール、グリセリン、ジグリセリン、ポリエチレングリコール等が挙げられる。
【0014】
水溶性高分子としては、アラビアゴム、ガラクタン、グアーガム、カラギーナン、ペクチン、マルメロ、ローカストビーンガム等の植物系高分子、キサンタンガム、デキストラン、サクシノグルカン、プルラン等の微生物系高分子、コラーゲン、カゼイン、ゼラチン等の動物系高分子、メチルセルロース、エチルセルロース、ヒドロキシプロピルメチルセルロース、カルボキシメチルセルロース等のセルロース系高分子、ポリビニルメチルエーテル、カルボキシビニルポリマー等のビニル系高分子;ポリアクリル酸塩、ポリメタクリル酸塩、ポリエチルアクリレート、ポリアクリルアミド等のアクリル系高分子等が挙げられる。
【0015】
防腐・抗菌剤としては、パラオキシ安息香酸アルキルエステル、安息香酸、安息香酸ナトリウム、ソルビン酸、ソルビン酸カリウム、フェノキシエタノール類、サリチル酸、塩化ベンザルコニウム等が挙げられる。
【0016】
酸化防止剤としては、トコフェロール、ブチルヒドロキシアニソール、ジブチルヒドロキシトルエン等が挙げられる。乳化組成物の組成および配合割合については実施例にて例示したが、本発明はこれらの実施例によって限定されるものではない。
【0017】
【実施例】
以下に本発明を実施例、参考例を挙げて説明するが、参考例で用いる12−ヒドロキシステアリン酸モノグリセリドは、市販品のサラコス121(日清製油社製)、リケマールHC−200(理研ビタミン社製)を用いた。ここで、サラコス121、リケマールHC−200は、その構成脂肪酸中に占める12−ヒドロキシステアリン酸の割合は、それぞれ83〜85%、約80%であり、純度はそれぞれ90%以上、45%以上のものである。
【0018】
実施例1
12−ヒドロキシステアリン酸モノグリセリドによる、グリセリン脂肪酸モノエステルのβ型結晶成長抑制効果を、粉末X線回折により確かめた。測定は(株)リガク製試料水平型X線回折測定装置RINT2000、X線源はCuKα( 40kV,40mA) を用い、測定温度25℃、スキャンスピード2°/minで行った。グリセリン脂肪酸モノエステル(A)としてステアリン酸モノグリセリド(理研ビタミン社製、ポエムS−100)、12−ヒドロキシステアリン酸モノグリセリド(B)として12−ヒドロキシステアリン酸モノグリセリド(日清製油社製、サラコス121)を用いた。A:B=10:0〜2:8のサンプルを加熱溶融した後、ドライアイスにて急冷し固化した。溶融と固化の操作を数回繰り返し、均一にしたものをX線回折によ用意した。これらを40℃の恒温槽に保存し、一定時間ごとにX線回折用のサンプルとした。測定は結晶系が完全にβ型に転移するまで続けた。α型結晶とβ型結晶の代表的なX線回折ピークパターンを図1に示す。結果を表1に示す。
【0019】
【表1】
【0020】
ポエムS−100:サラコス121=10:0のサンプルは、35時間後にはβ型に転移しているのにくらべ、7:3〜3:7のサンプルはα型を長時間保っていた。これらから、特定比率のポエムS−100とサラコス121は、溶融した際β型へ転移しにくくなっていることが分かる。
【0021】
実施例2
表2に示す処方により乳化組成物を調製し、12−ヒドロキシステアリン酸モノグリセリドを配合することによる結晶析出抑制効果を、乳化安定性で評価した。評価基準を下記に示し、結果は表2に併せて示した。
乳化物の安定性評価基準
◎・・・結晶析出が見られない △・・・全体に析出(小粒)
○・・・わずかに析出 ×・・・大量に析出(大粒)
【0022】
【表2】
注)※1ポエムS−100(理研ビタミン社製)
※2サラコス121(日清製油社製)
乳化組成物の調製方法;
(1)精製水以外の成分を均一に混合し、70℃とする。
(2)精製水を70℃とする。
(3)(1)に(1)を添加し、乳化混合、冷却することで乳化物を得た。
(4)調製した乳化物を、試験管に高さ10cmまで入れ、40℃の恒温槽にそれぞれセットし、1ヶ月後の状態を肉眼にて確認した。
【0023】
表2の試料No.1と7の乳化物は極めて安定性に乏しいが、試料No.2〜6は安定性が良好であり、その中でも試料No.2、3、4、5の乳化物は特に安定性に優れていることが分かる。この結果は、実施例1のX線回折の結果と相関性が見られる。すなわち乳化組成物において、グリセリン脂肪酸モノエステルと12−ヒドロキシステアリン酸モノグリセリドを、β型転移時間の遅延効果がX線回折にて十分に確認された比率で配合すると、結晶成長が抑制され、安定性に優れたものが得られた。
【0024】
実施例3
表3に示す処方により乳化組成物を調製し、12−ヒドロキシステアリン酸モノグリセリドまたはプロピレングリコールモノステアレートを配合したときの結晶析出抑制効果を、乳化安定性で評価した。評価基準を表4に示し、評価結果は表3に併せて示した。
【0025】
【表3】
注)※1ポエムS−100(理研ビタミン社製)
※2サラコス121(日清製油社製)
乳化組成物の調製方法:参考例2と同様に調製した。
【0026】
【表4】
【0027】
表3に示したとおり、比較例1(試料No. 9)は経時的に粗大結晶が析出し、油浮きが生じ、クリーミングが起き、極めて安定性に乏しい。比較例2(試料No. 10)は粗大結晶の析出は抑えられているが、油浮き、クリーミングが起き、比較例1と同じく乳化物としての安定性に乏しい。それらに比べ、グリセリン脂肪酸モノエステルと12−ヒドロキシステアリン酸モノグリセリドの配合比を5:5で用いた実施例3(試料No. 8)は極めて安定性に優れていることが分かる。
【0028】
参考例1
O/W型クリームを下記の配合と製造方法で調製した。その結果、実施例1のO/W型クリームは安定性に優れ、良好な使用感を有するものであった。
(製造方法)
(1)成分1〜9を均一に加熱混合し70℃とする。
(2)成分10〜13を均一に加熱混合し70℃とする。
(3)TKホモミキサー(特殊機化工業製)を用い、ディスパー、3000rpm)で攪拌しながら、(1)に(2)を添加し乳化混合した後14を添加し、冷却してクリームを得た。
【0029】
参考例2
W/O型クリームを下記の配合と製造方法で調製した。その結果、実施例2のW/O型クリームは安定性に優れ、良好な使用感を有するものであった。
(製造方法)
(1)成分1〜10を均一に加熱混合し70℃とする。
(2)成分11、12を均一に加熱混合し70℃とする。
(3)TKホモミキサー(特殊機化工業製)を用い、3000rpmで攪拌しながら、(1)に(2)を添加し乳化混合した後冷却してクリームを得た。
【0030】
参考例3
乳液を下記の配合と製造方法で調製した。その結果、実施例3は安定性に優れ、良好な使用感を有する乳液であった。
(製造方法)
(1)成分1〜7を均一に加熱混合し70℃とする。
(2)成分10〜11を均一に加熱混合し70℃とする。
(3)TKホモミキサー(特殊機化工業製)を用い、ディスパー、3000rpmで攪拌しながら、(1)に(2)を添加し乳化混合した後12を添加し、冷却して乳液を得た。
【0031】
参考例4
ローションを下記の配合と製造方法で調製した。その結果、実施例4は安定性に優れ、良好な使用感を有する乳液であった。
(製造方法)
(1)成分1〜6を均一に加熱混合し60℃とする。
(2)成分7,8を均一に加熱混合し60℃とする。
(3)TKホモミキサー(特殊機化工業製)を用い、ディスパー、2000rpmで攪拌しながら、(1)に(2)を添加し乳化混合した後冷却して半透明のローションを得た。
【0032】
なお、参考例1〜4の処方から、12−ヒドロキシステアリン酸モノグリセリドを除き、不足分はグリセリン脂肪酸モノエステルで補った製品を同様に製造したが、これらは経時的に結晶が析出し、沈殿が生じ、油水分離が起き、安定性に乏しいものであった。
【0033】
【発明の効果】
本発明によれば、グリセリン脂肪酸モノエステルおよび12−ヒドロキシステアリン酸モノグリセリドが9:1〜1:9の割合で配合された乳化組成物は、安全性に優れ、乳化安定性が良好で、使用感に優れたものを提供できる。かかるグリセリン脂肪酸モノエステルのβ型結晶の成長が抑制された本発明の乳化組成物は、化粧料、医薬品等の身体に関わる分野のほか一般工業用としても広範囲の産業の乳化製品に応用することができ、極めて有用である。
【図面の簡単な説明】
【図1】ステアリン酸モノグリセリドと12−ヒドロキシステアリン酸モノグリセリドのα型(左)、β型(右)結晶のX線回折ピークパターン。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an emulsified composition containing glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride, and more particularly to an emulsified composition excellent in emulsion stability in which β-type crystal growth of glycerin fatty acid monoester is suppressed. is there.
[0002]
[Prior art]
Glycerin fatty acid monoesters have the same structure as fats and oils, are safe because they are metabolic components of fats and oils, and have excellent functional properties such as emulsifying properties, water-holding properties, and oil-holding properties. It is used in a wide range of fields such as pharmaceuticals and foods. Since the emulsifier mainly exhibits hydrophobicity, an emulsified composition such as an oil-in-water type or a water-in-oil type is formed by alone or in combination with other hydrophilic surfactants. In the food field, it is permitted to be used as a food additive, and is widely used as an emulsifier, a bread / cake foaming agent, an oil and fat plasticizer, and an antifoaming agent during tofu production.
[0003]
Glycerol fatty acid monoesters are known to have crystal polymorphisms called sub-α, α, and β, and various reports have been made on their crystallinity. Glycerin fatty acid monoester transitions from α-type to β-type and takes stable β-type crystals. It is generally known that good emulsifying properties and foaming properties of glycerin fatty acid monoesters are manifested in the form of α-type crystals. However, when the crystals start to grow after transitioning to β-type crystals, coarse crystals may be formed, or the food texture will become hard, and the stability of the appearance, feel, etc. of the product will be impaired. There were many.
[0004]
That is, since the suppression of the growth of β-type crystals of glycerin fatty acid monoester is the key to keeping the product in high quality over a long period of time, attempts have been made to investigate the problem. One solution is to suppress the transition to the β-type crystal by adding a third substance having an inhibitory action and to maintain the α-type crystal. For example, in cosmetics, a method of adding higher alcohols such as cetanol, stearyl alcohol, and behenyl alcohol is often used. However, higher alcohols have a bad odor, roughen the texture of the emulsion composition, and have a feeling of use on the skin. There are problems such as making it worse, and there are inevitably restrictions on the formulation.
[0005]
In addition, in the food field, it has been reported that when approximately the same amount of propylene glycol monofatty acid ester as monoglyceride is blended, α-type crystals of glycerin fatty acid monoester last for a long period of time and maintain a good texture. However, since propylene glycol monofatty acid ester has a poor ability as a hydrophobic surfactant, the particles in the emulsified composition are enlarged to cause creaming and oil floating. Therefore, in view of the fact that glycerin fatty acid monoester is used as an emulsifier in cosmetics and external preparations, the crystals having better emulsifiability than propylene glycol monofatty acid ester with respect to the stability of the emulsion in the cosmetics field. Growth inhibitors are desired.
[0006]
[Problems to be solved by the invention]
Therefore, an object of the present invention is to provide an emulsion composition that does not impair the emulsifiability of the glycerin fatty acid monoester, is highly safe, and does not impair the texture of the emulsion. Is to provide.
[0007]
[Means for Solving the Invention]
In order to achieve the above object, the present inventors have conducted intensive studies, and as a result, in an emulsion composition containing glycerin fatty acid monoester, screening and methods for substances that suppress the growth of β-type crystals of glycerin fatty acid monoester Various studies were conducted. As a result, it is also the same hydrophobic surfactant as glycerin fatty acid monoester, and when used in combination with 12-hydroxystearic acid monoglyceride that easily precipitates coarse crystals, the emulsifiability of glycerin fatty acid monoester decreases. In addition, the inventors have found that crystal precipitation, that is, β-type crystal growth can be suppressed without requiring an emulsification aid. The present invention has been completed based on such findings.
That is, according to the present invention, an emulsion composition containing glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride, wherein the blending ratio of glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride is 7: 3-3: 7 and the emulsion composition which consists of 1 type (s) or 2 or more types by which a glycerol fatty acid monoester makes a C12-C22 linear saturated fatty acid a constituent fatty acid is provided.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
An essential raw material component for obtaining the emulsified composition of the present invention is glycerin fatty acid monoester. In the present invention, the glycerin fatty acid monoester can be used if the constituent fatty acid is a linear saturated fatty acid, but more preferably the constituent fatty acid is lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behen. Examples thereof include linear saturated fatty acids having 12 to 22 carbon atoms such as acids, and these can be used as a mixture of one kind or a combination of two or more kinds. Regardless of the purity of the glycerin fatty acid monoester, the emulsified composition of the present invention can be obtained. However, in order to obtain an emulsified composition having a better appearance, it is preferable to use one having a purity of 40% or more. If the purity is less than 40%, the particles of the emulsified composition become coarse overall, which is not preferable.
[0009]
Next, as the 12-hydroxystearic acid monoglyceride, those obtained by esterifying 12-hydroxystearic acid and glycerin obtained using castor oil as a raw material, or those obtained by transesterification of hardened castor oil and glycerin can be used. In addition, what was manufactured using castor oil as a raw material has 12-hydroxystearic acid in which 80% or more of the constituent fatty acid is usually 40% or more in purity. In the present invention, they may be used as they are, or those having a purity increased to 90% or more by distillation or purification. In view of emulsifiability, it is preferable to use a high-purity one.
[0010]
The ratio of glycerin fatty acid monoester to 12-hydroxystearic acid monoglyceride is 9: 1 to 1: 9 and exhibits a β-type crystal growth suppressing effect in a wide range. However, if a further effect is expected, the ratio is 7: It is preferable to use at 3: 3: 7. This effect is effective in an emulsion composition formed with glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride, an oily component, and an aqueous component, but even when an emulsion composition is prepared using other surfactants in combination. Demonstrate the effect.
[0011]
In the emulsified composition of the present invention, a surfactant, solid, semi-solid, liquid oil, water, alcohols, polyhydric alcohols, which are used in ordinary emulsified compositions as long as the effects of the present invention are not hindered, Water-soluble polymers, antiseptic / antibacterial agents, antioxidants and the like can be added. The surfactants that can be used in the present invention are, as non-ionic surfactants, polyglycerin fatty acid ester, polyethylene glycol fatty acid ester, polyoxyethylene. Alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene propylene glycol fatty acid ester, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil Etc. Examples of anionic surfactants include fatty acid soaps such as sodium stearate and triethanolamine palmitate, alkyl ether carboxylic acids and salts thereof, carboxylate alkyl sulfonic acids such as condensation of amino acids and fatty acids, and sulfonates of fatty acid esters. Sulphonates of fatty acid amides, polyoxyethylene alkyl sulfates, alkyl phosphates, N-acyl amino acid activators and the like.
[0012]
Oils include natural animal and vegetable oils, and semi-synthetic oils and fats, hydrocarbon oils, higher fatty acids, ester oils, silicone oils, etc., but natural animal and vegetable oils and fats and semi-synthetic oils and fats include avocado oil, linseed oil, almond oil, Olive oil, carnauba wax, candelilla wax, beef tallow, beef leg fat, beef bone fat, hardened beef tallow, wheat germ oil, sesame oil, rice germ oil, rice bran oil, safflower oil, soybean oil, camellia oil, evening primrose oil, corn oil, Rapeseed oil, horse fat, palm oil, palm kernel oil, castor oil, hardened castor oil, sunflower oil, jojoba oil, macadamia nut oil, beeswax, mink oil, cottonseed oil, coconut oil, coconut oil, peanut oil, lanolin, liquid lanolin, Reduced lanolin, lanolin alcohol, lanolin fatty acid isopropyl, POE lanolin alcohol ether, lanolin fatty acid polyethylene Recall, POE hydrogenated lanolin alcohol ester, etc., hydrocarbons include squalane, squalene, ceresin, paraffin, paraffin wax, liquid paraffin, microcrystalline wax, petrolatum, etc. Higher fatty acids include lauric acid, myristic acid , Palmitic acid, stearic acid, behenic acid, undecylenic acid, oleic acid, linoleic acid, linolenic acid, isostearic acid, 12-hydroxystearic acid and the like, and ester oils include diisobutyl adipate, 2-hexyldecyl adipate, Di-2-heptylundecyl adipate, isostearyl isostearate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, neopentyl glycol di-2-ethylhexanoate Trimethylolpropane tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, cetyl octanoate, oleyl oleate, octyldodecyl oleate, decyl oleate, neopentyl glycol dicaprate, 2-ethylhexyl succinate , Isocetyl stearate, butyl stearate, diisopropyl sebacate, cetyl lactate, myristyl lactate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, 2-heptylundecyl palmitate, cholesteryl 12-hydroxystearate, diacid malate Examples of glyceride oils include triisooctanoic acid glyceride, triisostearic acid glyceride, triisopalmitic acid glyceride, and tri-2-ethyl. Examples of the silicone oil include dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and stearoxysilicone. Examples include alkoxy-modified silicones, alkyl-modified silicones, higher fatty acid ester-modified silicones, and higher fatty acid ether-modified silicones.
[0013]
Examples of alcohols and polyhydric alcohols include lower alcohols such as ethanol and isopropanol, sugar alcohols such as sorbitol, xylitol, and maltose, propylene glycol, 1,3-butylene glycol, glycerin, diglycerin, and polyethylene glycol.
[0014]
Examples of water-soluble polymers include plant polymers such as gum arabic, galactan, guar gum, carrageenan, pectin, quince, locust bean gum, microbial polymers such as xanthan gum, dextran, succinoglucan, pullulan, collagen, casein, Animal polymers such as gelatin, cellulose polymers such as methylcellulose, ethylcellulose, hydroxypropylmethylcellulose and carboxymethylcellulose; vinyl polymers such as polyvinylmethylether and carboxyvinylpolymer; polyacrylates, polymethacrylates, poly Examples include acrylic polymers such as ethyl acrylate and polyacrylamide.
[0015]
Examples of the antiseptic / antibacterial agent include paraoxybenzoic acid alkyl ester, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, phenoxyethanols, salicylic acid, benzalkonium chloride and the like.
[0016]
Examples of the antioxidant include tocopherol, butylhydroxyanisole, dibutylhydroxytoluene and the like. Although the composition and blending ratio of the emulsified composition are exemplified in the examples, the present invention is not limited to these examples.
[0017]
【Example】
The present invention will be described below with reference to examples and reference examples. The 12-hydroxystearic acid monoglyceride used in the reference examples is commercially available Saracos 121 (manufactured by Nisshin Oil Co., Ltd.), Riquemar HC-200 (RIKEN Vitamin Co., Ltd.). Made). Here, in Saracos 121 and Riquemar HC-200, the proportions of 12-hydroxystearic acid in the constituent fatty acids are 83 to 85% and about 80%, respectively, and the purity is 90% or more and 45% or more, respectively. Is.
[0018]
Example 1
The β-type crystal growth inhibitory effect of glycerin fatty acid monoester by 12-hydroxystearic acid monoglyceride was confirmed by powder X-ray diffraction. The measurement was performed using a Rigaku sample horizontal X-ray diffractometer RINT2000, a CuKα (40 kV, 40 mA) X-ray source, a measurement temperature of 25 ° C., and a scan speed of 2 ° / min. Steric acid monoglyceride (Riken Vitamin Co., Poem S-100) as glycerin fatty acid monoester (A), 12-hydroxystearic acid monoglyceride (Nisshin Oil Co., Ltd., Saracos 121) as 12-hydroxystearic acid monoglyceride (B) Using. A sample of A: B = 10: 0 to 2: 8 was heated and melted, and then rapidly cooled with dry ice and solidified. The operation of melting and solidification was repeated several times to prepare a uniform one by X-ray diffraction. These were stored in a constant temperature bath at 40 ° C. and used as samples for X-ray diffraction at regular intervals. The measurement was continued until the crystal system completely changed to the β type. A typical X-ray diffraction peak pattern of an α-type crystal and a β-type crystal is shown in FIG. The results are shown in Table 1.
[0019]
[Table 1]
[0020]
The sample of Poem S-100: Saracos 121 = 10: 0 maintained the α type for a long time, compared with the sample of 7: 3 to 3: 7, compared to the β type after 35 hours. From these, it can be seen that Poem S-100 and Saracos 121 at a specific ratio are difficult to transfer to β-type when melted.
[0021]
Example 2
An emulsion composition was prepared according to the formulation shown in Table 2, and the effect of suppressing crystal precipitation by blending 12-hydroxystearic acid monoglyceride was evaluated by emulsion stability. The evaluation criteria are shown below, and the results are also shown in Table 2.
Criteria for evaluating the stability of emulsions ◎ ・ ・ ・ No crystal precipitation △ ・ ・ ・ Precipitation over the whole (small grains)
○ ・ ・ ・ Slightly precipitated × ・ ・ ・ Large amount of precipitation (large particles)
[0022]
[Table 2]
Note) * 1 Poem S-100 (Riken Vitamin Co., Ltd.)
* 2 Saracos 121 (Nisshin Oil Co., Ltd.)
A method for preparing an emulsified composition;
(1) Components other than purified water are uniformly mixed to 70 ° C.
(2) The purified water is set to 70 ° C.
(3) The emulsion was obtained by adding (1) to (1), emulsifying mixing, and cooling.
(4) The prepared emulsion was put in a test tube up to a height of 10 cm, set in a thermostatic bath at 40 ° C., and the state after one month was confirmed with the naked eye.
[0023]
Sample No. in Table 2 Although the emulsions 1 and 7 are extremely poor in stability, sample no. Nos. 2 to 6 have good stability. It can be seen that the emulsions 2, 3, 4, and 5 are particularly excellent in stability. This result is correlated with the result of X-ray diffraction of Example 1. That is, in an emulsified composition, when glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride are blended in a ratio in which the effect of delaying the β-type transition time is sufficiently confirmed by X-ray diffraction, crystal growth is suppressed and stability is improved. An excellent product was obtained.
[0024]
Example 3
An emulsion composition was prepared according to the formulation shown in Table 3, and the crystal precipitation inhibitory effect when 12-hydroxystearic acid monoglyceride or propylene glycol monostearate was blended was evaluated by emulsion stability. The evaluation criteria are shown in Table 4, and the evaluation results are also shown in Table 3.
[0025]
[Table 3]
Note) * 1 Poem S-100 (Riken Vitamin Co., Ltd.)
* 2 Saracos 121 (Nisshin Oil Co., Ltd.)
Preparation method of emulsion composition: Prepared in the same manner as in Reference Example 2.
[0026]
[Table 4]
[0027]
As shown in Table 3, in Comparative Example 1 (Sample No. 9), coarse crystals precipitate over time, oil floating occurs, creaming occurs, and the stability is extremely poor. In Comparative Example 2 (Sample No. 10), although precipitation of coarse crystals is suppressed, oil floating and creaming occur, and the stability as an emulsion is poor as in Comparative Example 1. Compared with them, Example 3 (sample No. 8) using the blending ratio of glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride at 5: 5 is found to be extremely excellent in stability.
[0028]
Reference example 1
O / W type cream was prepared by the following formulation and manufacturing method. As a result, the O / W cream of Example 1 was excellent in stability and had a good feeling of use.
(Production method)
(1) Components 1 to 9 are heated and mixed uniformly to 70 ° C.
(2) Components 10 to 13 are heated and mixed uniformly to 70 ° C.
(3) Using a TK homomixer (manufactured by Tokushu Kika Kogyo Co., Ltd.), stirring with a disper (3000 rpm), adding (2) to (1) and emulsifying and mixing, then adding 14 and cooling to obtain a cream It was.
[0029]
Reference example 2
W / O type cream was prepared by the following formulation and manufacturing method. As a result, the W / O cream of Example 2 was excellent in stability and had a good feeling of use.
(Production method)
(1) Components 1 to 10 are heated and mixed uniformly to 70 ° C.
(2) Components 11 and 12 are heated and mixed uniformly to 70 ° C.
(3) Using a TK homomixer (manufactured by Tokushu Kika Kogyo Co., Ltd.), while stirring at 3000 rpm, (2) was added to (1), emulsified and mixed, and then cooled to obtain a cream.
[0030]
Reference example 3
The emulsion was prepared by the following formulation and manufacturing method. As a result, Example 3 was an emulsion having excellent stability and good usability.
(Production method)
(1) Components 1 to 7 are heated and mixed uniformly to 70 ° C.
(2) Components 10-11 are heated and mixed uniformly to 70 ° C.
(3) Using a TK homomixer (manufactured by Tokushu Kika Kogyo Co., Ltd.), stirring at 3000 rpm, adding (2) to (1) and emulsifying and mixing, then adding 12 and cooling to obtain an emulsion .
[0031]
Reference example 4
A lotion was prepared by the following formulation and manufacturing method. As a result, Example 4 was an emulsion having excellent stability and good usability.
(Production method)
(1) Components 1 to 6 are heated and mixed uniformly to 60 ° C.
(2) Components 7 and 8 are heated and mixed uniformly to 60 ° C.
(3) Using a TK homomixer (manufactured by Tokushu Kika Kogyo Co., Ltd.), (2) was added to (1) while emulsifying and mixing while stirring at 2000 rpm, and then cooled to obtain a translucent lotion.
[0032]
In addition, from the prescriptions of Reference Examples 1 to 4, except for 12-hydroxystearic acid monoglyceride, the deficiency was produced in the same manner as a product supplemented with glycerin fatty acid monoester. The oil-water separation occurred and the stability was poor.
[0033]
【The invention's effect】
According to the present invention, an emulsion composition in which glycerin fatty acid monoester and 12-hydroxystearic acid monoglyceride are blended in a ratio of 9: 1 to 1: 9 is excellent in safety, emulsion stability, and feeling of use. Can provide excellent products. The emulsified composition of the present invention in which the growth of β-type crystals of such glycerin fatty acid monoester is suppressed can be applied to emulsified products in a wide range of industries as well as general industrial fields such as cosmetics and pharmaceuticals. It is extremely useful.
[Brief description of the drawings]
FIG. 1 shows X-ray diffraction peak patterns of α-type (left) and β-type (right) crystals of stearic acid monoglyceride and 12-hydroxystearic acid monoglyceride.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP11278698A JP3755987B2 (en) | 1998-04-08 | 1998-04-08 | Emulsified composition |
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| JP11278698A JP3755987B2 (en) | 1998-04-08 | 1998-04-08 | Emulsified composition |
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| JP3755987B2 true JP3755987B2 (en) | 2006-03-15 |
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| JP4700319B2 (en) * | 2004-10-19 | 2011-06-15 | 阪本薬品工業株式会社 | Wax-like fatty acid ester and hair cosmetic composition containing the same |
| JP5637987B2 (en) * | 2009-05-27 | 2014-12-10 | 大洋香料株式会社 | Preservative composition |
| JP2014198014A (en) * | 2013-03-29 | 2014-10-23 | 株式会社カネカ | New whipped product |
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