大豆-牛奶双蛋白益生菌酸奶配方的确定及其营养分析

以大豆蛋白和牛奶蛋白为主要基料,确定双蛋白益生菌酸奶的生产配方并进行营养分析。结果表明,最优配方中,大豆蛋白:乳清蛋白(重量比)=1:2,乳糖添加量为1%。与市售酸奶相比,双蛋白益生菌酸奶蛋白质含量高22.8%,脂肪含量低37.3%,必需氨基酸含量高47.5%,蛋白质消化率修正的氨基酸评分(PDCAAS)高70%以上。双蛋白益生菌酸奶是一种新型营养健康食品,有助于营养改善、提高人体健康水平。

Formulation and Nutritional Analysis of Soy-milk Dual Protein Probiotic Yogurt

Using soy protein and milk protein as the main base,the production formula of the protein probiotic yogurt was determined and nutritional analysis was carried out. Results showed that soy protein:whey protein(weight ratio)=1:2,lactose content 1% is the best formula. Compared with market yogurt,the protein content of homemade dual protein probiotic yogurt increased 22.8%,fat content decreased 37.3%,essential amino acid content increased 47.5%,protein digestibility corrected amino acid score(PDCAAS)increased over 70%. Dual protein probiotic yogurt was a kind of new nutritious and healthy food,it would help to improve nutrition and improve the level of human health.