Soy lecithin, available in granulated or liquid forms, is an extract taken from soybeans. The FDA recognizes soy lecithin as generally safe for use in food products. Liquid soy lecithin is used in foods as a stabilizer and emulsifier or as a replacement for oils. Apart from commercial application, liquid soy lecithin is available from specialty cooking stores for home use. Liquid soy lecithin has a longer shelf life than most oils, keeping for up to two years after you open the container.
What is Liquid Soy Lecithin Used In?
Liquid soy lecithin is added to foods that need to maintain a solid, or partially solid, consistency. For example, it often contributes to the solidity of margarine or the thick consistency of puddings. Additionally, liquid soy lecithin can be used in lieu of oils in bread products because it makes dough rise faster. Soy lecithin is a binding agent in food products such as candy bars, ensuring that the ingredients do not separate.
How It is Made
Liquid soy lecithin is extracted from soybean oil while it is being processed. Soybeans are first kept at a consistent, warm temperature for approximately 10 days to hydrate the bean and loosen the hull. Next, the soybeans are separated from the hulls, cracked into smaller pieces and cleaned. The cracked beans are then heated and pressed into flakes that are distilled to make oil. Water is added to the oil, which separates the liquid soy lecithin so it can be extracted.
Pros
Liquid soy lecithin makes commercial production of foods easier by binding ingredients and by working as a stabilizer and emulsifier. For both home and commercial use, liquid soy lecithin makes bread dough less sticky and allows it to rise at a faster rate. Additionally, you can replace oils in most baking recipes with liquid soy lecithin and take advantage of its extended shelf life. Liquid soy lecithin cannot replace oils for frying foods.
Cons
Liquid soy lecithin is a common ingredient in several everyday foods. If you have an allergy to soy, consuming any food containing liquid soy lecithin can be life-threatening. According to the FDA, apart from food allergies, the consumption of liquid soy lecithin is generally recognized as safe.
References
- Soy Connection: Soy Lecithin Fact Sheet
- "Lecithin Book"; Carlson Wade; 1998
- "Lecithin and Health"; Frank T. Orthoefer; 1998
- FDA: Lecithin Derived from Soy
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