20521
Bioassay - guided fractionation of A . orientalis resulted in isolation of the flavonoid sarothrin ( 5 , 7 , 4 ' - trihydroxy - 3 , 6 , 8 - trimethoxyflavone ) , which inhibited the growth of Mycobacterium smegmatis ( MIC 75 micro M ) and S . aureus ( MIC > 800 micro M ) , and possessed efflux pump inhibitory activity .
 flavonoid, sarothrin, 5 , 7 , 4 ' - trihydroxy - 3 , 6 , 8 - trimethoxyflavone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 flavonoid, sarothrin, 5 , 7 , 4 ' - trihydroxy - 3 , 6 , 8 - trimethoxyflavone