22074
Although cholesterol oxidation rate did not exceed 0 . 9 % , further research is required about toxicity levels of the single COPs , to better understand if the COPs levels found in untreated and photoxidized muscle ( 0 . 62 - 3 . 72 mu g / g of muscle ) do not represent a risk for human health .
 Chemical: cholesterol
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: cholesterol