Influence of Placenta Extract on Melanin Formation
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- Imahara Hirotsugu
- Bicohemistry 1, Kyoto College cf Pharmacy
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- Itoh Hiromi
- Research & Laboratory of Kotobuki Chemical Co., Ltd.
Bibliographic Information
- Other Title
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- メラニン形成に及ぼすプラセンタエキストラクトの影響
Abstract
Tyrosinase activity was manometrically assayed by measuring the rate of Oxygen consumption in dopa-substrate with Warburg's apparatus.<br>The inhibitory effect to tyrosinase with Placenta Extract was tested through the above method and 20 percent to the original activity was inhibited by Placenta Extract.<br>Furthermore, the activity of this enzyme was measured in tyrosin-substrate by the same method and at the initial step of the reaction, 60 Percent to the original activity was inhibited by Placenta Extract.<br>From the above results, we recognized that the reaction processed from Tyrosin to Dopd was extremely inhibited by Placental Extract.
Journal
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- Journal of Society of Cosmetic Chemists of Japan
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Journal of Society of Cosmetic Chemists of Japan 16 (1), 10-14, 1982
The Society of Cosmetic Chemists of Japan
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Details 詳細情報について
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- CRID
- 1390001204501514880
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- NII Article ID
- 130004188531
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- ISSN
- 18844146
- 03875253
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed