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JP3752344B2 - Anti-osteoporosis agent - Google Patents
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JP3752344B2 - Anti-osteoporosis agent - Google Patents

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Publication number
JP3752344B2
JP3752344B2 JP03604397A JP3604397A JP3752344B2 JP 3752344 B2 JP3752344 B2 JP 3752344B2 JP 03604397 A JP03604397 A JP 03604397A JP 3604397 A JP3604397 A JP 3604397A JP 3752344 B2 JP3752344 B2 JP 3752344B2
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Japan
Prior art keywords
feed
osteoporosis
fish scale
scale powder
calcium
Prior art date
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JP03604397A
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Japanese (ja)
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JPH10231250A (en
Inventor
芳則 伊東
臣一 信田
一良 矢澤
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Sagami Chemical Research Institute
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Sagami Chemical Research Institute
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Description

【0001】
【発明の属する技術分野】
本発明は魚鱗をそのまま微粉末化した魚鱗粉末を有効成分として含有することを特徴とする抗骨粗鬆症剤に関するものである。
【0002】
【従来の技術】
骨粗鬆症は、代謝障害、内分泌障害、加齢により骨吸収と骨形成のバランスが崩れたために骨量が減少し、骨の粗鬆化をきたす疾病である。症状として激しい腰背痛と骨の粗鬆化に起因する骨折があり、老人の場合これを契機として寝たきりとなり、死亡に至ることもある。抗骨粗鬆症剤としては、腰背痛の緩和作用、骨吸収抑制作用、骨形成促進作用を有する薬剤が考えられ、カルシトニン、ビタミンD、カルシウム剤などが使用されている。しかしながら、臨床上、薬効や副作用の点において十分に満足できる薬剤は未だなく、効果が高く副作用の少ない抗骨粗鬆症剤が望まれている。
【0003】
魚の鱗は魚加工品の製造の際に大量に副生するが、これまで用途がなく残滓として捨てられてきた。近年、調理用素材や保水剤、芳香剤等としての利用が検討されているが、骨粗鬆症の改善効果については、全く知られていなかった。
【0004】
【発明が解決しようとする課題】
本発明は上記の問題点を解決しうる新規な骨粗鬆症剤を提供することを目的とするものである。
【0005】
【課題を解決するための手段】
本発明者らは上記の課題を達成するため検討を行なった結果、魚鱗粉末が骨粗鬆症の改善効果を示すと共に、食欲の減退等の副作用が少ないことを見い出し、本発明を完成するに至った。
【0006】
すなわち本発明は、魚鱗をそのまま微粉末化した魚鱗粉末を有効成分として含有することを特徴とする骨粗鬆症剤を提供することを目的とするものである。
【0007】
本発明において用いられる魚鱗としては、いかなる魚の鱗であってもよいが、例えば、イワシ、サンマ、タイ、コイ等から得られる鱗が挙げられる。本発明においては、これらの魚鱗をパルベライザー、アトマイザー、ピンミル、ハンマーミル等を利用した湿式及び乾式粉砕により微粉末化したものを用いる。または、電磁場を利用し前処理をした後、上記粉砕機にて微粉末化したものを用いる。
【0008】
本発明の抗骨粗鬆症剤は、上記の魚鱗粉末を有効成分とするものであり、骨粗鬆症の治療・予防を目的として経口投与される。投与に際しては、魚鱗粉末そのものの形態で、あるいは有効成分を経口投与に適した固体、液体又はペースト状の医薬用無毒性担体と混合して、慣用の医薬製剤の形態で投与される。このような製剤としては、例えば、錠剤、顆粒剤、散剤、カプセル剤等の固形剤、溶液剤、懸濁剤、乳剤等の液剤、凍結乾燥製剤等が挙げられ、これらの製剤は製剤上の常套手段により調製することができる。上記の医薬用無毒性担体としては、例えば、グルコース、乳糖、ショ糖、澱粉、マンニトール、デキストリン、脂肪酸グリセリド、ポリエチレングリコール、ヒドロキシエチルデンプン、エチレングリコール、ポリオキシエチレンソルビタン脂肪酸エステル、アミノ酸、アルブミン、水、生理食塩水等が挙げられる。また、必要に応じて、安定化剤、滑剤、湿潤剤、乳化剤、結合剤等の慣用の添加剤を適宜添加することができる。本発明の抗骨粗鬆症剤において、有効成分の投与量は、患者の年齢、体重、症状、疾患の程度、投与スケジュール、製剤形態等により、適宜選択・決定されるが、例えば、一日あたり1〜1000mg/kg体重程度とされ、一日数回に分けて投与してもよい。
【0009】
【実施例】
以下、本発明を実施例によって詳細に説明する。ただし、本発明は実施例に限定されるものではない。
【0010】
実施例1
3週齢の雄のCrj:CD(SD)ラット12匹に紫外線カットランプの照明下、下記の特殊飼料1を7日間自由摂取させ、次いで特殊飼料2を12日間自由摂取させて、骨粗鬆症モデルを作製した。その後、2群に分け、各群6匹のラットに被験飼料として魚鱗粉末混合飼料あるいは乳清カルシウム混合飼料を21日間自由摂取させた。いずれの期間も、飲料水として蒸留水を自由に摂取させた。各飼料の詳細は下記のとおりである。
【0011】
1)特殊飼料1
基礎飼料(Ca:0.02%、P:0.5%、オリエンタル酵母飼料工業(株)製)からビタミンDを除去し、Caが0.5%になるように調製された粉末飼料。
2)特殊飼料2
上記基礎飼料からビタミンDを除去した粉末飼料。
3)魚鱗粉末混合飼料
上記基礎飼料に魚鱗粉末をカルシウム量として0.48%(合計カルシウム量:0.5%)粉末飼料。
4)乳清カルシウム混合飼料
上記基礎飼料に乳清カルシウムをカルシウム量として0.48%(合計カルシウム量:0.5%)粉末飼料。
【0012】
その間、体重及び飼料摂取量を計測した。また、被験飼料を21日間投与後に、全採血により致死させ、速やかに左右の大腿骨及び脛骨を摘出し、血液生化学検査(カルシウム(Ca)量、無機リン(IP)量、アルカリフォスファターゼ活性(ALP))並びに大腿骨及び脛骨の重量、強度(骨強度試験器、TK−252C、室町機械(株)製)を測定した。
【0013】
飼料の平均摂取量は、魚鱗粉末混合飼料群で19.3g、乳清カルシウム混合飼料群で18.3gであり、魚鱗粉末混合飼料群の方が摂取性が良好であった。
【0014】
体重の平均値は、魚鱗粉末混合飼料群において被験飼料投与10日目で225.5g、20日目で294.1gであり、乳清カルシウム混合飼料群では被験飼料投与10日目で215.7g、20日目で287.6gであった。
【0015】
【表1】

Figure 0003752344
【0016】
両群いずれについても、骨粗鬆症モデルの被験飼料投与前におけるCa量、IP量、ALPに対して、いずれの値も顕著な改善が認められた。なお、両群の間では有意な差は認められなかった。
【0017】
【表2】
Figure 0003752344
【0018】
骨重量及び骨強度のいずれにおいても、魚鱗粉末混合飼料群の方が乳清カルシウム混合飼料群よりも良好である傾向が認められた。
【0019】
このように、魚鱗粉末混合飼料群は、食餌摂取性において良好であるとともに、カルシウム吸収に優れているとされている乳清カルシウム混合飼料群に比べて、遜色のない良好な骨粗鬆症改善効果を示した。
【0020】
【発明の効果】
本発明の骨粗鬆症剤は、血中のカルシウム量、無機リン量、アルカリフォスファターゼ活性、及び骨重量、骨強度等の点で骨粗鬆症の改善効果を有すると共に、食欲の減退等の副作用が少ないという利点を合わせ持っている。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an anti-osteoporosis agent characterized by containing, as an active ingredient, a fish scale powder obtained by directly pulverizing fish scales.
[0002]
[Prior art]
Osteoporosis is a disease in which the bone mass decreases due to the disorder of bone resorption and bone formation caused by metabolic disorders, endocrine disorders, and aging, resulting in bone coarsening. Symptoms include severe back pain and fractures caused by bone coarsening. In the case of an elderly person, this can lead to bedridden and death. As an anti-osteoporosis agent, a drug having a back and back pain relieving action, a bone resorption suppressing action, and a bone formation promoting action is considered, and calcitonin, vitamin D, a calcium agent and the like are used. However, there are no clinically satisfactory drugs in terms of drug efficacy and side effects, and anti-osteoporosis agents that are highly effective and have few side effects are desired.
[0003]
Fish scales are produced as a by-product in the production of processed fish products, but have not been used so far and have been discarded as residue. In recent years, use as a cooking material, water retention agent, fragrance and the like has been studied, but the effect of improving osteoporosis has not been known at all.
[0004]
[Problems to be solved by the invention]
The object of the present invention is to provide a novel anti- osteoporosis agent that can solve the above-mentioned problems.
[0005]
[Means for Solving the Problems]
As a result of investigations to achieve the above-mentioned problems, the present inventors have found that fish scale powder has an effect of improving osteoporosis and has fewer side effects such as decreased appetite, thereby completing the present invention.
[0006]
That is, an object of the present invention is to provide an anti- osteoporosis agent characterized by containing a fish scale powder obtained by directly pulverizing fish scales as an active ingredient .
[0007]
The fish scale used in the present invention may be any fish scale, and examples thereof include scales obtained from sardines, saury, Thailand, carp and the like. In the present invention, these fish scales are finely powdered by wet and dry pulverization using a pulverizer, atomizer, pin mill, hammer mill or the like. Alternatively, a pre-process using an electromagnetic field and then pulverizing with the pulverizer is used.
[0008]
The anti-osteoporosis agent of the present invention comprises the above fish scale powder as an active ingredient and is orally administered for the purpose of treatment / prevention of osteoporosis. In administration, it is administered in the form of fish scale powder itself, or in the form of a conventional pharmaceutical preparation by mixing the active ingredient with a solid, liquid or pasty non-toxic pharmaceutical carrier suitable for oral administration. Examples of such preparations include solid preparations such as tablets, granules, powders and capsules, liquid preparations such as solutions, suspensions and emulsions, freeze-dried preparations, and the like. It can be prepared by conventional means. Examples of the non-toxic pharmaceutical carrier include glucose, lactose, sucrose, starch, mannitol, dextrin, fatty acid glyceride, polyethylene glycol, hydroxyethyl starch, ethylene glycol, polyoxyethylene sorbitan fatty acid ester, amino acid, albumin, water And physiological saline. If necessary, conventional additives such as stabilizers, lubricants, wetting agents, emulsifiers, binders and the like can be appropriately added. In the anti-osteoporosis agent of the present invention, the dose of the active ingredient is appropriately selected and determined according to the patient's age, weight, symptoms, disease level, administration schedule, formulation form, etc. The dose is about 1000 mg / kg body weight, and may be administered in several divided doses a day.
[0009]
【Example】
Hereinafter, the present invention will be described in detail by way of examples. However, the present invention is not limited to the examples.
[0010]
Example 1
Twelve 3-week-old male Crj: CD (SD) rats were given free intake of the following special diet 1 for 7 days under the illumination of an ultraviolet cut lamp, and then free intake of special diet 2 for 12 days to establish an osteoporosis model. Produced. Thereafter, it was divided into two groups, and 6 rats in each group were allowed to freely ingest either fish scale powder mixed feed or whey calcium mixed feed as a test feed for 21 days. In any period, distilled water was freely taken as drinking water. Details of each feed are as follows.
[0011]
1) Special feed 1
Powdered feed prepared by removing vitamin D from basic feed (Ca: 0.02%, P: 0.5%, manufactured by Oriental Yeast Feed Industry Co., Ltd.) so that Ca is 0.5%.
2) Special feed 2
Powdered feed obtained by removing vitamin D from the basic feed.
3) Fish scale powder mixed feed 0.48% (total calcium content: 0.5%) powdered feed with fish scale powder as calcium content in the above basic feed.
4) Whey calcium mixed feed Powdered feed containing 0.48% (total calcium content: 0.5%) of whey calcium as the calcium content in the above basic feed.
[0012]
Meanwhile, body weight and feed intake were measured. In addition, after administration of the test feed for 21 days, the blood was killed by whole blood collection, and the left and right femurs and tibia were immediately removed, and blood biochemical tests (calcium (Ca) content, inorganic phosphorus (IP) content, alkaline phosphatase activity ( ALP)) and the weight and strength of the femur and tibia (bone strength tester, TK-252C, manufactured by Muromachi Kikai Co., Ltd.).
[0013]
The average intake of feed was 19.3 g in the fish scale powder mixed feed group and 18.3 g in the whey calcium mixed feed group, and the fish scale powder mixed feed group had better intake.
[0014]
In the fish scale powder mixed feed group, the average body weight was 225.5 g on the 10th day after administration of the test feed and 294.1 g on the 20th day, and in the whey calcium mixed feed group, 215.7 g on the 10th day after administration of the test feed. On the 20th day, it was 287.6 g.
[0015]
[Table 1]
Figure 0003752344
[0016]
In both groups, all the values were markedly improved with respect to the Ca amount, IP amount, and ALP before administration of the test feed of the osteoporosis model. There was no significant difference between the two groups.
[0017]
[Table 2]
Figure 0003752344
[0018]
In both the bone weight and the bone strength, the fish scale powder mixed feed group tended to be better than the whey calcium mixed feed group.
[0019]
In this way, the fish scale powder mixed feed group shows good osteoporosis improvement effect that is inferior to the whey calcium mixed feed group, which is good in food intake and superior in calcium absorption. It was.
[0020]
【The invention's effect】
The anti- osteoporosis agent of the present invention has an effect of improving osteoporosis in terms of calcium level in the blood, inorganic phosphorus level, alkaline phosphatase activity, bone weight, bone strength and the like, and has few side effects such as decreased appetite. Have both.

Claims (1)

魚鱗をそのまま微粉末化した魚鱗粉末を有効成分として含有することを特徴とする抗骨粗鬆症剤。An anti-osteoporosis agent characterized by containing as an active ingredient a fish scale powder obtained by directly pulverizing fish scales .
JP03604397A 1997-02-20 1997-02-20 Anti-osteoporosis agent Expired - Fee Related JP3752344B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP03604397A JP3752344B2 (en) 1997-02-20 1997-02-20 Anti-osteoporosis agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03604397A JP3752344B2 (en) 1997-02-20 1997-02-20 Anti-osteoporosis agent

Publications (2)

Publication Number Publication Date
JPH10231250A JPH10231250A (en) 1998-09-02
JP3752344B2 true JP3752344B2 (en) 2006-03-08

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JP03604397A Expired - Fee Related JP3752344B2 (en) 1997-02-20 1997-02-20 Anti-osteoporosis agent

Country Status (1)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011125331A (en) * 2009-11-17 2011-06-30 Taisho Pharmaceutical Co Ltd Scale powder-containing coating tablet

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