A little of high purity PC(96.7%) and a great deal of PE(82.1%) can be also obtained by gradient eluenting with chloroform-methanol (2: 1, V/V) and methanol from crude PE.

• 粗脑磷脂为原料用氯仿-甲醇(2:1；V/V)、无水甲醇的梯度淋洗模式，可获得少量含量96.；7%25的高纯卵磷脂和大量含量82