Pharmacological Activity of Compounds Extracted from Persimmon Peel (Diospyros kaki THUNB.)

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概要

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• Persimmon peels (Diospyros kaki THUNB.) are discarded during the production of dried fruit. The 2-methoxy-4-vinylphenol (8) which is component of persimmon peel had high antioxidant activity on the DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging assay and SOD (superoxide dismutase) assay. And (8) had higher tyrosinase inhibiting activity than that of arbutin using both L-tyrosine and L-DOPA as substrates. In addition, tyrosinase inhibiting activity of synthesized 2-methoxy-4-vinylphenol glycoside (8a) was studied. (8a) had tyrosinase inhibiting activity, suggesting that (8a) has possibilities for ingredient of cosmetics that are possessed of whitening effect.

著者

• Nomura Masato

  Graduate School of Systems Engineering, Kinki University

• Okada Yoshiharu

  Graduate School Of System Engineering Program In Systems Engineering Kinki Univ.

• Tanimoto Shinichi

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

• Fukai Satomi

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

• Maeda Aki

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

• Fukuda Hitomi

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

• Nomura Masato

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

• Okada Yoshiharu

  Graduate School of System Engineering, Program in Systems Engineering, Kinki University

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