The method of tripsin enzymolysis was used for adjusting ratio of casein and albumin in milk.Nutritive value of milk powder was improved markedly.

• 本研究采用固定化胰酶水解法，将牛乳中部分酪蛋白水解成小分子肽和氨基酸，降低酪蛋白的含量，调整清蛋白与酪蛋白的比例，再用此牛奶制成配方乳粉。