Laver is also rich in choline (vitamin A), which is the key components of lecithin, is the nerve cell membrane structure and substance of the message, Guchang eat seaweed useful to improve memory.

• 紫菜还含有丰富的胆碱（一种维生素），它是卵磷脂的关键组成成分，是神经细胞膜的结构和信息传递的物质，故常吃些紫菜对改善记忆力有益。