| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing retusapurpurin A applicable to the sectors of e.g. food/drink and cosmetics, etc., and to provide a method for assessing propolis extracts. <P>SOLUTION: The method for producing retusapurpurin A includes: the step of conducting an extract treatment, using an extractive solvent, from propolis raw mass made from raw material Dalbergia as the original plant. The method for assessing a propolis extract obtained using an extractive solvent, from propolis raw mass made from raw material Dalbergia as the original plant is characterized in comprising using retusapurpurin A as an indicator. <P>COPYRIGHT: (C)2011,JPO&INPIT |
