Phytin, the sediment was gained by first soaking the wheat bran with dilute acid, then by neutralizing the soaked liquid first with 10%fresh lime cream and secondly with 3%hydrate of natrium.

• 用稀酸浸泡麦麸，浸提液先用10%25新鲜石灰乳中和，再用30%25烧碱溶液进行二次中和，沉淀物即为植酸钙镁复盐，亦称菲丁；