| 摘要 |
PROBLEM TO BE SOLVED: To obtain a new teststerone 5α-reductase inhibitor, and provide hair growth tonic, preventive and/or therapeutic agents for pimples and for prostatic diseases. SOLUTION: The teststerone 5α-reductase inhibitor, the hair growth tonic, the preventive and/or therapeutic agent for pimples and the preventive and/or therapeutic agent for prostatic diseases contain a plant of the genus Quercus or an extract of the same. COPYRIGHT: (C)2003,JPO
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