JP4534065B2 - UV shielding agent and fluorescent color former using rabbit green cocoon - Google Patents
UV shielding agent and fluorescent color former using rabbit green cocoon Download PDFInfo
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Description
本発明は、紫外線遮蔽機能および蛍光発色機能を有する素材に関し、家蚕緑色繭が生産する物質を利用することにより、安価に安全に紫外線の全波長を強力に遮蔽する素材および紫外線照射により蛍光発色機能有する素材に関する。 The present invention relates to a material having an ultraviolet shielding function and a fluorescence coloring function, and by using a substance produced by rabbit green cocoons, a material that strongly and safely shields all wavelengths of ultraviolet rays, and a fluorescence coloring function by ultraviolet irradiation. It relates to the material.
農家などが飼育する家蚕の繭または糸は、従来、絹糸の内部のフィブロインのみが着物や洋装の織物として利用され、その外層部を構成するセリシン等は、取り除かれて破棄されているのが現状である。
一方、近年、野蚕と呼ばれる天然産の蚕について、野蚕が生産する繭から紫外線を遮蔽する機能が見い出され、これを利用した技術が幾つか提案されている。
例えば、野蚕糸を粉砕、微粒子化したＵＶカット素材（特許文献１）、野蚕糸を粉砕、微粒子化したものに天然染料を加えたＵＶカット素材（特許文献２）絹粉末にフェノール化合物を結合させた紫外線吸収剤（特許文献３）等である。
For silkworms or yarns raised by farmers, traditionally, only fibroin inside the silk thread has been used as a kimono or Western-style fabric, and sericin, etc. that forms the outer layer has been removed and discarded. It is.
On the other hand, in recent years, a natural cocoon called wild silkworm has been found to have a function of shielding ultraviolet rays from the silkworm produced by the wild silkworm, and several techniques using this have been proposed.
For example, a UV-cut material obtained by pulverizing and finely pulverizing wild silk yarn (Patent Document 1), a UV-cut material obtained by adding natural dyes to pulverized and finely woven wild silk yarn (Patent Document 2), and binding a phenol compound to silk powder. And ultraviolet absorbers (Patent Document 3).
しかし、上記各技術には、紫外線遮蔽能が認められるものの、地上に最も多く照射される３１５ｎｍ以上の領域の紫外線に対する遮蔽効果は未だ充分なものではない。
即ち、紫外線には、（ａ）３８０〜３１５ｎｍ領域（ＵＶ−Ａ）で、大気圏でほとんど吸収されず地表への照射量が最も多く、大量に浴びると遺伝子が傷つけられたり、シワやタルミ等の皮膚の老化を引き起こす性格のもの、（ｂ）３１５〜２８０ｎｍ領域（ＵＶ−Ｂ）で、ある程度大気圏で吸収されるが、その一部が地上に到達する性格のもの、（ｃ）２８０〜１０ｎｍ領域（ＵＶ−Ｃ）で、最もエネルギーが高いが、酸素やオゾン層で強い吸収を受け、地上には到達しないが性格のものがあるが、上記蚕に見出された紫外線の遮断能は、主にＵＶ−Ｂ及びＵＶ−Ｃに強い機能を発揮するもので、最も地上に多く照射され、我々の肌や健康に悪影響を与えるＵＶ−Ａに関する遮蔽能は不充分なものでしかなかった。
更に一方、上記の如く紫外線照射に対し紫外線を遮蔽する素材の研究は行われていたが、紫外線遮蔽と同時に有害な紫外線をより安全な可視光線に変換し蛍光発色する機能を生かした素材の利用開発はされていなかった。
In other words, ultraviolet rays are (a) in the 380 to 315 nm region (UV-A) and are hardly absorbed in the atmosphere and have the largest irradiation amount to the ground surface. When exposed to a large amount, genes are damaged, wrinkles, tarmi, etc. (B) 315 to 280 nm region (UV-B), which is absorbed in the atmosphere to some extent, a part of which has the character of reaching the ground, (c) 280 to 10 nm region (UV-C), which has the highest energy but is strongly absorbed by the oxygen and ozone layers and does not reach the ground. It has a strong function in UV-B and UV-C, and it has the insufficient shielding ability with respect to UV-A, which is irradiated most on the ground and adversely affects our skin and health.
On the other hand, as described above, research on materials that shield ultraviolet rays against ultraviolet irradiation has been carried out, but at the same time, the use of materials that take advantage of the function of converting harmful UV rays into safer visible light and developing fluorescence. There was no development.
そこで、本発明者らは、家蚕の高付加価値化を研究するなかで、家蚕のうち緑色繭を生産する蚕品種の繭からフィブロインを取り除いた成分において、特に上記紫外線ＵＶ―Ａを含めた紫外線全般に渡って遮蔽する優れた能力を有することを見いだし、且つ、それが紫外線を有用な蛍光色に変換させる能力にも優れることを見いだし、本発明を完成させたものである。 Accordingly, the present inventors have studied high value-added rabbits, and in particular, in the ingredients obtained by removing fibroin from the silkworm varieties producing green grapes among the rabbits, the ultraviolet rays including the ultraviolet ray UV-A are particularly included. The present invention has been found to have an excellent ability to shield in general, and to be excellent also in the ability to convert ultraviolet rays into useful fluorescent colors, thereby completing the present invention.
上記課題を解決するため、本発明紫外線遮蔽剤は、農家などが飼育する家蚕のうち緑色繭を対象とし、該緑色繭からフィブロインを取り除いた成分を液体又は粉末化して成る特に３１５ｎｍ以上の紫外線を遮蔽する能力に優れることを特徴とする。
又、請求項２に記載される蛍光発色剤は、農家などが飼育する家蚕の緑色繭を対象とし、該緑色繭からフィブロインを取り除いた成分を液体又は粉末化して成る、紫外線を照射すると可視光線に蛍光することを特徴とする。
In order to solve the above-mentioned problems, the ultraviolet screening agent of the present invention is intended for green cocoons among domestic ridges raised by farmers and the like, and ultraviolet rays having a wavelength of 315 nm or more, which is obtained by liquidizing or pulverizing components obtained by removing fibroin from the green cocoons. It is characterized by excellent shielding ability.
Also, fluorescent agents described in claim 2 is directed to a green cocoon domesticated silkworms which such farmers breeding, comprising a component obtained by removing the fibroin from green-color cocoons in liquid or powdered, visible light when irradiated with ultraviolet light It is characterized by being fluorescent .
本発明は、従来技術が不充分であったＵＶ−Ａ領域における遮蔽効果をほぼ完全に満たすことができ、その際、従来利用価値が見出されず大量廃棄処理されていた家蚕緑色繭からのフィブロイン除去成分を利用するので経済的であり、且つ、野蚕と異なり家蚕を用いることから大量生産が可能で、安定供給が確保できる。
又、紫外線を照射すると、それがより安全な可視光線に変換し蛍光発色する効果を発揮する。
The present invention can almost completely satisfy the shielding effect in the UV-A region where the prior art is insufficient. At this time, the removal of fibroin from the green cocoon of rabbits which has not been found to be useful in the past and has been disposed of in large quantities. Since the ingredients are used, it is economical, and unlike rabbits, the use of rabbits enables mass production and secures stable supply.
In addition, when irradiated with ultraviolet light, it is converted into safer visible light and exhibits the effect of fluorescent color development.
本発明の紫外線遮蔽剤は、家蚕の緑色繭を対象とする。
これを詳述すると、先ず絹糸として利用される絹糸虫は、昆虫分類学上鱗翅目に属する昆虫で、家蚕とは屋内でクワを餌に飼育されることから家蚕と呼ばれるが、カイコガ科に属する日本種、中国種、欧州種その他の総称をいい、大きさ、食べ物、吐く糸の性質の異なるヤママユガ科に属する野蚕とは区別される。
この家蚕にあって、繭の色により区別すると、有色繭には黄繭、紅繭、緑繭等があり、この有色繭のなかで、機能性色素のフラボノイドを含む緑色を呈する繭を緑色繭と本発明では定義する。
The ultraviolet shielding agent of the present invention is intended for green cocoons of domestic rabbits.
To describe this in detail, silkworms used as silk threads are insects belonging to the order Lepidoptera in insect taxonomy. Rabbits are called rabbits because they are raised indoors with mulberry, but they belong to the silkworm family. It is a generic name for Japanese, Chinese, European and other species, and is distinguished from barbarians belonging to the genus Solanumaceae, which differ in size, food, and spitting properties.
There are yellow cocoons, red potatoes, green cocoons, etc. in this cocoon when distinguished by the color of the cocoons. Among these colored cocoons, green cocoons containing a functional pigment flavonoid are green cocoons. And defined in the present invention.
そして、本発明者らは、高品質な繭を考究するなかで緑色繭に以下の如き特異的な性能を見いだした。
即ち、細繊度繭、黄色繭、緑色繭、太繊度繭等に着目し、その性能を検討するうち、各繭に紫外線を照射したところ、緑色繭に他に見られない非常に強い蛍光色の発色を観察することができた。
この事実に着目し、各繭の紫外線照射に対する透過強度の測定試験を行った。
The inventors of the present invention have found the following specific performance for green cocoons while studying high-quality cocoons.
That is, paying attention to fine fineness wrinkles, yellow wrinkles, green wrinkles, thick fineness wrinkles, etc., and examining the performance, when each wrinkle was irradiated with ultraviolet rays, it was found that a very strong fluorescent color not seen in green wrinkles Color development could be observed.
Paying attention to this fact, a measurement test of the transmission intensity of each bottle with respect to ultraviolet irradiation was conducted.
それが図１に示す如き試験である。
先ず、供試材料として、緑色繭「PCG×PNG」(以下試料上では緑繭という)、黄色繭「鐘光×黄玉」（以下試料上では黄繭という）、極細繭「はくぎん」（以下試料上では極細という）、太繊度繭「TNK．F×SP7.8」(以下試料上では太繊度という)、普通繭「錦秋×鐘和」（以下試料上では対照という）の繭層及びセリシン水溶液を選定した。
そして、上記供試材料の繭に対して以下の透過性調査を行った。 各品種の繭片（外層及び内層）を20×20×0.5mmに調整し、光源の波長に対する透過強度を光スペクトラムアナライザ（安藤電気製：AQ‐6315B、測定範囲：350〜750nm）で測定した。なお、光源は紫外線A、B及びCランプを用い、繭片を供しない場合（Blank）と比較した。
その結果、紫外線Ａ光源に対する外層の透過強度（▽印、最大値）はBlank（−44dBm）＞太繊度（−53dBm）≧対照（−55dBm）≧極細（−57dBm）＞黄繭（−62dBm）＞緑繭（−72dBm）の順となった。Blankと対照の差が11dBに対し、緑繭は28dB程度と透過強度が大きく減衰し、最も高い遮蔽効果を示した。また、紫外線Ａ光源に対する内層の透過強度（▽印、最大値）はBlank（−44dBm）＞太繊度（−54dBm）＞対照（−58dBm）＞黄繭（−63dBm）＞極細（−67dBm）＞緑繭（−73dBm）の順となった。
即ち、緑色繭は、対照とした普通繭に対しては１００倍、黄色繭に対しても１０倍以上と透過強度が減衰しており、これは頗る優れた紫外線遮蔽能が発揮されていることを示している。
This is a test as shown in FIG.
First, as test materials, green candy "PCG x PNG" (hereinafter referred to as green candy on the sample), yellow candy "bell light x yellow jade" (hereinafter referred to as jaundice on the sample), ultrafine candy "Hakugin" (hereinafter referred to as "green candy") On the sample), a fine layer of “TNK.F × SP7.8” (hereinafter referred to as “fine size” on the sample), an ordinary layer of “Nishiki x Kanwa” (hereinafter referred to as “control” on the sample) A sericin aqueous solution was selected.
And the following permeability | transmittance investigation was done with respect to the soot of the said test material. The varieties (outer layer and inner layer) of each type were adjusted to 20 x 20 x 0.5 mm, and the transmission intensity with respect to the wavelength of the light source was measured with an optical spectrum analyzer (manufactured by Ando Electric: AQ-6315B, measurement range: 350 to 750 nm). . In addition, the light source used ultraviolet A, B, and C lamp, and compared with the case where a piece is not provided (Blank).
As a result, the transmission intensity (▽ mark, maximum value) of the outer layer with respect to the ultraviolet A light source is Blank (−44 dBm)> Fine fineness (−53 dBm) ≧ Control (−55 dBm) ≧ Extra fine (−57 dBm)> Twilight (−62 dBm) > It was in the order of green glaze (-72dBm). The difference between Blank and the control was 11 dB, while the green glaze was about 28 dB, and the transmission intensity was greatly attenuated, showing the highest shielding effect. In addition, the transmission intensity of the inner layer with respect to the ultraviolet A light source (▽ mark, maximum value) is Blank (−44 dBm)> Fine fineness (−54 dBm)> Control (−58 dBm)> Jaundice (−63 dBm)> Ultra fine (−67 dBm)> The order was green glaze (-73 dBm).
In other words, green persimmon has a transmission intensity attenuation of 100 times that of normal acupuncture, and more than 10 times that of yellow persimmon, indicating that it has excellent UV shielding ability. Is shown.
この観察及び試験結果に基づいて考究し、本発明者らは、緑色繭のうち、繭成分のうち繊維成分となるフィブロインを取り除いた成分として主にセリシンと呼ばれる蛋白質の貢献に注目した。 Based on these observations and test results, the inventors focused on the contribution of a protein called sericin mainly as a component of the green camellia from which fibroin, which is a fiber component, was removed.
そこで、繭成分のうち繊維成分となるフィブロインを取り除いた成分を検討することとして、下記の試験を行った。
先ず、セリシンの化学的性質が損なわれていない分離法として、精製水に触媒として微量の食塩を添加した水溶液を電気分解したイオン水により加水分解することにより、セリシンおよびフラボノイド等を含んだフィブロイン除去成分を分離した。
但し、繭糸からのセリシン分離は、例えば、熱水、アルカリ剤の水溶液、界面活性剤および酵素等を用い行うことが可能である。
Then, the following test was done as examining the component which removed the fibroin used as a fiber component among cocoon components.
First, as a separation method in which the chemical properties of sericin are not impaired, fibroin containing sericin and flavonoids is removed by hydrolyzing an aqueous solution containing a small amount of sodium chloride as a catalyst in purified water with electrolyzed ionic water. The components were separated.
However, sericin separation from the silk thread can be performed using, for example, hot water, an aqueous solution of an alkaline agent, a surfactant and an enzyme.
次いで、上記成分の透過試験を行った。
試料は図１での試料と同様とし、各試料が含む溶質を一定濃度（0.5wt.％）に調整した。これらの試料に関する紫外線遮蔽の程度を比較するために分光光度計(日立製：U-3210、測定範囲：200〜340nm)を用いて透過量を測定し、そのデータを図２に示し、折れ線グラフを図３に示す。なお、試料の作製に用いた電気分解水による影響についても評価を行うために加水分解に用いた電気分解水についても透過量を測定したが、これは図２中では標準液と記してある。
Subsequently, the permeation | transmission test of the said component was done.
The sample was the same as the sample in FIG. 1, and the solute contained in each sample was adjusted to a constant concentration (0.5 wt.%). In order to compare the degree of ultraviolet shielding for these samples, the amount of transmission was measured using a spectrophotometer (Hitachi: U-3210, measurement range: 200-340 nm), and the data is shown in FIG. Is shown in FIG. In addition, in order to evaluate also the influence by the electrolyzed water used for preparation of the sample, the permeation amount was also measured for the electrolyzed water used for hydrolysis, which is indicated as a standard solution in FIG.
その結果、３１０ｎｍ以上において太繊度、対照、極細、黄繭等が紫外線を透過し、特に３４０ｎｍにおいては他種が３０％以上の透過率を示すのに対し、野蚕及び緑色繭は５％以下の透過率を示した。
更に、この野蚕及び緑色繭の両者の透過率を比較するに、３４０ｎｍにおいて、野蚕が４．２８％であるのに対し緑色繭は０．７３％という透過率を示している。野蚕及び緑色繭の透過率は、共に３０％以上となる他種と比較すると優れた透過率を示しているが、なお緑色繭にあっては、４．２８％である野蚕に対して、これを３．５５％上回る０．７３％の透過率の向上を示している。これは、５％以下の優れた透過率を示す野蚕に対して、そこから更に３％を上回る透過率を導いたもので、改善の困難となる高い遮蔽率領域（低透磁率領域）において、更なる改良を進めた点が注目される。
この結果、緑色繭は、ＵＶ−Ａ領域においてもほぼ完全に紫外線を遮蔽するという特異的な性能が見出され、同時に、２９０ｎｍ以下のＵＶ−Ｃ領域、及び２９０〜３１５ｎｍのＵＶ−Ｂ領域でも高い遮蔽能が確認され、即ち、緑色繭にあっては、ＵＶ−Ｃ〜ＵＶ−Ａの全ての波長領域において、安定して紫外線を遮蔽するという従来にない効果が確認された。
As a result, the fineness, contrast, extra fineness, jaundice, etc. transmit ultraviolet rays at 310 nm or more, and particularly at 340 nm, other species show a transmittance of 30% or more, whereas wild and green wrinkles have a transmittance of 5% or less. The transmittance was shown.
Furthermore, when comparing the transmittances of both the wild and green moths, at 340 nm, the wild moth has a transmittance of 4.28%, whereas the green moth has a transmittance of 0.73%. The transmittance of wild moths and green moths is better than that of other species, both of which are 30% or higher. However, in the case of green moths, this is 4.28%. The transmittance is improved by 3.5% to 0.73%. This is a barb that exhibits an excellent transmittance of 5% or less, and a transmittance exceeding 3% is derived therefrom. In a high shielding area (low permeability area) that is difficult to improve, It is noted that further improvements have been made.
As a result, the green moth has been found to have a specific performance of almost completely blocking ultraviolet rays even in the UV-A region, and at the same time, in the UV-C region of 290 nm or less and the UV-B region of 290 to 315 nm. A high shielding ability was confirmed, that is, in the green glaze, an unprecedented effect of stably shielding ultraviolet rays was confirmed in all wavelength regions of UV-C to UV-A.
斯くして得られたフィブロインを除去した水溶液は、そのまま溶液として利用が可能であり、同時に、乾燥することで粉末化も可能である。主な乾燥方法には自然乾燥、熱（風）乾燥および凍結乾燥等があるが、熱（風）乾燥すると分解変質変色がおき易いので、真空凍結乾燥（例：共和真空株式会社製RLE）することにより凍結された試料から水分だけを取り除くことができ、安定した粉末が得られる。 The aqueous solution from which the fibroin thus obtained is removed can be used as a solution as it is, and at the same time, it can be powdered by drying. The main drying methods include natural drying, heat (wind) drying, freeze drying, etc., but heat (wind) drying tends to cause degradation and discoloration, so vacuum freeze drying (eg, RLE made by Kyowa Vacuum Co., Ltd.) Thus, only moisture can be removed from the frozen sample, and a stable powder can be obtained.
当該分離成分がなぜ上記の如くＵＶ−Ａ領域においても高い紫外線遮蔽能を維持するのかは、未だ不明である。
しかし、以下のアミノ酸組成調査の事実等から以下の如きに、本発明者らは推察している。
先ず、セリシン水溶液2.5gを秤量、同量の濃塩酸を加え、窒素置換後加水分解炉（110℃）で24時間加水分解を行い減圧乾固により塩酸除去し、0.02N塩酸で10mlに希釈定容したものを試験液とし高速アミノ酸分析計（日立製：L-8500）で測定した。その結果を示したのが図４及び図５である。
この結果を野蚕のアミノ酸組成と比較すると、セリン、スレオニン、バリン、グリシン、アラニン・・等でその組成比率を大きく異にしている。
又、フラボノイドは、植物の黄色に寄与するフラバン誘導体の総称であり、緑色繭に含まれるフラボノイドの種類は特定されていないが、上記アミノ酸組成を備えたタンパク質とフラボノイド及びその他の物質との相乗効果で、ＵＶ−Ａ領域（ＵＶ−Ｂ領域、ＵＶ−Ｃ領域も含めて）に特異的に強い吸収効果が発揮されるものと推察される。
It is still unclear why the separation component maintains a high ultraviolet shielding ability even in the UV-A region as described above.
However, the present inventors infer from the facts of the following amino acid composition investigations and the like as follows.
First, weigh 2.5 g of sericin aqueous solution, add the same amount of concentrated hydrochloric acid, replace with nitrogen, hydrolyze in a hydrolysis furnace (110 ° C) for 24 hours, remove hydrochloric acid by drying under reduced pressure, and dilute to 10 ml with 0.02N hydrochloric acid. What was contained was used as a test solution and measured with a high-speed amino acid analyzer (Hitachi L-8500). The results are shown in FIG. 4 and FIG.
When this result is compared with the amino acid composition of savages, the composition ratios of serine, threonine, valine, glycine, alanine, etc. are greatly different.
Flavonoids are a general term for flavan derivatives that contribute to the yellow color of plants. The type of flavonoids contained in green cocoons is not specified, but the synergistic effect of proteins with the above amino acid composition with flavonoids and other substances Thus, it is presumed that a particularly strong absorption effect is exhibited in the UV-A region (including the UV-B region and the UV-C region).
そして、このＵＶ−Ａ領域における高い紫外線遮蔽能は、皮膚ガンへの予防効果等が期待される。
即ち、紫外線と皮膚ガンとの間には、高い因果関係が確認されており、このなかで波長の長い紫外線は皮膚の深部にまで達し易い性向を示し、メラニン色素の色素沈着を起こす恐れがある。又、ガンに限らず、紫外線を繰り返し浴びていると真皮内の繊維質にダメージが与えられ、老化の原因となる。しかし、本発明においては、この長波長側のＵＶ−Ａ領域において強い遮蔽効果が確認され、当然にＵＶ−Ｂ、Ｃ領域においても強い遮蔽効果があるから、紫外線全般にわたって強い遮蔽効果を発揮し、皮膚ガンや老化等の予防が期待され得る。
And the high ultraviolet-ray shielding ability in this UV-A area | region is anticipated the prevention effect with respect to skin cancer, etc.
That is, a high causal relationship has been confirmed between ultraviolet rays and skin cancer. Among these, ultraviolet rays having a long wavelength tend to reach the deep part of the skin and may cause pigmentation of melanin pigment. . In addition to cancer, repeated exposure to ultraviolet rays damages the fibers in the dermis and causes aging. However, in the present invention, a strong shielding effect is confirmed in the UV-A region on the long wavelength side, and naturally there is also a strong shielding effect in the UV-B and C regions. Prevention of skin cancer and aging can be expected.
一方、上記特性に加えて、紫外線を可視光線に光変換する蛍光発色物質としての特性を本発明は備える。
つまり、上記緑色繭片に紫外線を照射すると、可視光線の領域において強い蛍光発色が観察された。
図１の５１０〜６７０ｎｍ（ピーク５４０〜５５０ｎｍ）の領域で緑色２に高い隆起が観察され、３５０〜３８０ｎｍの紫外線領域で緑色２が低いピークであることと対比すると、緑色２では紫外線で吸収された波が可視光に変換されて、一段と強い蛍光色を発光するものと推察される。
従って、この特性に着目すると、上記緑色繭は、紫外線を照射した際に、蛍光色を発光する物質として捉えられ、これを利用して蛍光発色物質としての応用及び用途が可能となる。
On the other hand, in addition to the above characteristics, the present invention has characteristics as a fluorescent coloring material that converts ultraviolet light into visible light.
That is, when the green color piece was irradiated with ultraviolet rays, strong fluorescence was observed in the visible light region.
High ridges are observed in green 2 in the region of 510 to 670 nm (peaks 540 to 550 nm) in FIG. 1, and in contrast to the low peak of green 2 in the ultraviolet region of 350 to 380 nm, green 2 is absorbed by ultraviolet rays. It is inferred that the generated wave is converted into visible light and emits a more intense fluorescent color.
Therefore, paying attention to this characteristic, the green soot is regarded as a substance that emits a fluorescent color when irradiated with ultraviolet rays, and can be applied and used as a fluorescent coloring substance by using this.
本実施の形態に係る製品は、皮膚外用剤、化粧品などとして従来になく強力な紫外線遮蔽効果を発揮することが可能であり、液体のまま利用する製品には溶液のまま製品に適用することもできる。又、一度粉末などの固体にすると水に難溶性を示すため、ファンデーションなどのように難溶性の製品にはこの形態でも活用することができ、用途は広い。
また、皮膚に対する親和性が高いタンパク質などの物質が多く含まれており、皮膚などへの使用にも適し、例えば、ハゲ予防、ハゲの皮膚の保護、ひげ剃り後の皮膚の手入れなどにも利用できる。又、遮蔽能力が高いことから、医療用の創傷被覆素材としても有効である。
一方、蛍光発色物質としての用途には、管理用のスタンプ・タグ,光る花，消化器内物質移行実験用マーカー，鑑識用素材，装飾性の高い下着類，ウエディングドレス，ブーケ，結婚式等会場装飾素材，紙幣、チケット，入場者の識別，ネオン街の看板等を挙げることができる。
The product according to the present embodiment is capable of exerting a strong ultraviolet shielding effect as a skin external preparation, cosmetics, etc., and can be applied to a product that is used as a liquid as a solution. it can. In addition, once it is made into a solid such as a powder, it shows poor solubility in water. Therefore, it can be used in this form for a poorly soluble product such as a foundation and has a wide range of uses.
In addition, it contains a lot of substances such as proteins with high affinity for the skin, so it is also suitable for use on the skin. For example, it is used for bald prevention, bald skin protection, skin care after shaving, etc. it can. Moreover, since the shielding ability is high, it is also effective as a medical wound covering material.
On the other hand, for use as a fluorescent coloring material, management stamps and tags, glowing flowers, markers for gastrointestinal substance transfer experiments, materials for identification, highly decorative underwear, wedding dresses, bouquets, weddings, etc. Decorative materials, banknotes, tickets, identification of visitors, signs of neon streets, and the like.
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