Excipient (pharmacologically inactive substance)
What is it?
Glyceryl monooleate, C21H40O4, is prepared by esterification of commercial oleic acid that is derived either from edible sources or from tall oil fatty acids. In the pharmaceutical industry, glyceryl monooleate is used as an emulsifier and in the food industry it is used as a flavoring agent. Glyceryl monooleate is also found naturally in the body. 
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