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.