Introduction
Soy lecithin is a food additive extracted from soybeans during the process of refining soybean oil. It is composed mainly of phosphatidylcholine and phosphatidylethanolamine, both of which are types of phospholipids, as well as other compounds like triglycerides, fatty acids and proteins. Soybean lecithin is commonly used as an emulsifier and preservative to prevent foods from...
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