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Lecithin contains dietary precursors to choline, an essential nutrient, which was formerly classified as a B vitamin (vitamin B 4). [17] [18] Lecithin is a mixture of fats that contains phospholipids, including phosphatidylcholine, and the human body can convert phosphatidylcholine into choline.
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The name lecithin was derived from Greek λέκιθος, lekithos 'egg yolk' by Theodore Nicolas Gobley, a French chemist and pharmacist of the mid-19th century, who applied it to the egg yolk phosphatidylcholine that he identified in 1847. Gobley eventually completely described his lecithin from chemical structural point of view, in 1874.
William Roy Shurtleff (born April 28, 1941) also known as Bill Shurtleff [1] is an American researcher and writer about soy foods. Shurtleff and his former wife Akiko Aoyagi have written and published consumer-oriented cookbooks, handbooks for small- and large-scale commercial production, histories, and bibliographies of various soy foods.
In general, a lecithin, or more precisely a phosphatidylcholine is obtained using a saturated fatty acid, in the example here palmitic acid or hexadecanoic acid H 3 C-(CH 2) 14-COOH (margaric acid identified by Gobley in egg yolk, now named heptadecanoïc acid H 3 C-(CH 2) 15-COOH, belongs to that class) and an unsaturated fatty acid, here ...
Lecithin can be “extracted, and it can also be created synthetically, but the soy lecithin is coming directly from soybeans. As an additive, soy lecithin is an emulsifier that “helps bind ...
Soylent is named after an industrially produced food (the name of which is a portmanteau of "soy" and "lentil") in Make Room! Make Room! , a 1966 dystopian science fiction novel (which was the basis of the 1973 film Soylent Green ) that explores the theme of resource shortages in the context of overpopulation.
As a lecithin, phosphatidylethanolamine consists of a combination of glycerol esterified with two fatty acids and phosphoric acid. Whereas the phosphate group is combined with choline in phosphatidylcholine, it is combined with ethanolamine in phosphatidylethanolamine. The two fatty acids may be identical or different, and are usually found in ...