6392
The presence of enhanced levels of sitosterol was found to significantly decrease TG polymer formation in triolein and the vegetable oil samples after heating at 180 degrees C for a period of 72 h .
 Chemical: sitosterol; Chemical: triolein
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: sitosterol; Chemical: triolein