Then it was repeatedly washed with acetone and distilled water to remove oil, surfactant and co-surfactant .

然后，用丙酮和蒸馏水反复漂洗去除油、表面活性剂和共表面活性剂。

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Using soybean oil as raw material, pure soybean lecithin was obtained by degumming with water, defatting with acetone and extracting with ethanol.

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。

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Powdered soybean phospholipid was extracted from fresh hydrated oil footings with acetone extraction method.

采用丙酮萃取法从新鲜水化大豆油脚中提取粉末大豆磷脂。

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