3662
In vitro metabolism , permeation , and brain availability of six major boswellic acids from Boswellia serrata gum resins .
 Chemical: boswellic acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: boswellic acids