性状：红色结晶；在湿空气中易潮湿，易溶于水，也溶于乙醇、醚和丙酮；脱水后呈浅兰色粉末。
Appearance: Red crystal. Easily deliquescent in wet air, soluble in water, alcohol and acetone, it becomes light-blue powder after losing the crystal water.
以大豆毛油为原料，通过水化脱胶、丙酮去油和乙醇萃取等过程，提取了纯度较高的卵磷脂。
Using soybean oil as raw material, pure soybean lecithin was obtained by degumming with water, defatting with acetone and extracting with ethanol.
性状：白色三角晶体。易潮解，稍有醋酸气味。溶于水和乙醇，不溶于丙酮。
Prop. :White triangle crystal, easy deliquescence, with taste of acetic acid, soluble in water and ethanol, insoluble in acetone.
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