Study on the process of a lactic acid bacteria fermented yoghurt from yaco

Yaco syrup was added into yoghurt to play an important role in health care and medical cure.The optimum dosage of materials was determined by using orthogonal experiment,the results show:the ratio of yaco syrup and milk was 5:5,sugar was 6%,xanthan gum and CMC was 0.2%,ferment starter was 4%.This product had the flavor of lactic acid fermentation,with exqui-site taste,thick aroma and sweet taste.The yoghurt was of both healthy and nutritional function.