生物活性: 1,4, 6-trihydroxy-5-methoxy-7-prenylxanthone is an antimicrobial agent that can be isolated from the genus garcinia. 1,4, 6-trihydroxy-5-methoxy-7-prenylxanthone inhibits S. aureus and B. cereus with MIC values of 128 μg/mL and 200 μg/mL, respectively.