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These results suggested two novel plant stanol derivatives possessed hypocholesterolemic effect , and the cholesterol - lowering action of plant stanol derivatives may be through activating the potential LXR alpha - CYP7A1 - bile acid excretion pathway .
 Chemical: stanol; Chemical: cholesterol; Chemical: stanol; Chemical: bile acid
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: stanol; Chemical: cholesterol; Chemical: stanol; Chemical: bile acid