| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for extracting a pharmacodynamically effective ingredient of Impatiens balsamina L. which is simply and efficiently extracted and has 100% effects as a contraceptive pill even in use for humans. SOLUTION: An ingredient extracted from Impatiens balsamina L. with an alcohol-containing aqueous solution having >=10 deg. alcohol concentration is used as a contraceptive pill. |
