卵磷脂是人体细胞膜的组成部分 [1] ,参与人体代谢 ,对人体有益 [2 ]。本研究旨在探讨卵磷脂改善记忆的作用 ,为开发利用卵磷脂提供科学依据。1　材　料　与　方　法1 .1　动物与分组　　昆明种小鼠 1 0 0只 ,雌雄各半 ,体重 1 8～ 2 2 g。将小鼠随机分为 4组 :对照组、实验 1 Lecithin is an integral part of the human cell membrane [1], involved in human metabolism, beneficial to humans [2]. The purpose of this study is to investigate the effect of lecithin on memory and to provide a scientific basis for the development and utilization of lecithin. 1 Materials and methods 1.1 Animals and groups 100 Kunming mice, male and female, weighing 18 ~ 22 g. The mice were randomly divided into 4 groups: control group, experiment 1