11337
PAMPA was performed with an acceptor solution simulating the binding of serum proteins , an artificial membrane impregnated with egg lecithin / cholesterol and a gradient of pH between donor and acceptor solutions .
 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