With egg yelk as raw material, extracted by aquiferous ethanol and aether, removing water and oil by acetone, we gain phospholipids mixture, and search the extracting conditions.

• 本文以鸡蛋的卵黄为原料，采用含水乙醇与乙醚提取，通过丙酮脱水去油，得到粗品卵磷脂；