Lecithin is any of a group of yellow-brownish fatty substances occurring in animal and plant tissues, and in egg yolk, composed of phosphoric acid, choline, fatty acids, glycerol, glycolipids, triglycerides, and phospholipids (e.g., phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol). However, lecithin is sometimes used as a synonym for pure phosphatidylcholine, a phospholipid that is the major component of its phosphatide fraction. It may be isolated either from egg yolk (in Greek lekithos—λ?κιθο?) or from soy beans, from which it is extracted chemically (using hexane) or mechanically.
It has low solubility in water. In aqueous solution its phospholipids can form either liposomes, bilayer sheets, micelles, or lamellar structures, depending on hydration and temperature. This results in a type of surfactant that is usually classified as amphoteric.
Lecithin is sold as a food supplement and for medical uses. In cooking, it is sometimes used as an emulsifier.
Drum, Vacuum Packed
This product is a natural product extract. It is rich in lecithin (PC) cephalin (PE) inositol phospholipids (PI), which widely used in the medicine/pharmaceutical, food, animal feed and industrial emulsifying dispersant, mold release agent. And this product has the good emulsifying property, the shallow color and luster, the high activity and the good liquidity.
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