“lecithin”的概念、定义、翻译、参考文献-科学参考

单词	lecithin
释义	lecithin [`les·ǝ·thǝn] ^BIOCHEMISTRY Any of a group of phospholipids having the general composition CH₂OR₁⋅CHOR₂⋅CH₂OPO₂OHR₃, in which R₁ and R₂ are fatty acids and R₃ is choline, and with emulsifying, wetting, and antioxidant properties. ^MATERIALS 1. A mixture of phosphatides and oil obtained by drying the separate gums from the degumming of soybean oil; consists of the phosphatides (lecithin), cephalin, other fatlike phosphorus-containing compounds, and 30-35% entrained soybean oil; may be treated to produce more refined grades; used in foods, cosmetics, and paints. Also known as commercial lecithin; crude lecithin; soybean lecithin; soy lecithin. 2. A waxy mixture of phosphatides obtained by refining commercial lecithin to remove the soybean oil and other materials; used in pharmaceuticals. Also known as refined lecithin.
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