14112
The results demonstrate that impurities , such as widely occurring monoglycerides , can have a profound impact on the observed antimycobacterial activity of triterpene - enriched fractions .
 monoglycerides, triterpene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 monoglycerides, triterpene