22639
Oil - red O staining and Lipid Analysis were employed to measure cellular content of triacylglycerides ( TAG ) and cholesterol .
 Chemical: Oil - red O; Chemical: triacylglycerides; Chemical: TAG; 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: Oil - red O; Chemical: triacylglycerides; Chemical: TAG; Chemical: cholesterol