14111
Using a biochemometric approach , the qHNMR purity and anti - TB activity of successive chromatographic fractions of O . horridus triterpenes were correlated by linear regression analysis to generate a mathematical QPAR model .
 Chemical: triterpenes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: triterpenes 
Answer:
 Chemical: triterpenes