The present invention discloses
dietary fiber enriched compound fruit and vegetable purple sweet potato fermented yogurt. The yogurt is prepared from the following raw materials in parts by weight: 200-220 parts of purple sweet potatoes, 10-12 parts of
skimmed milk powder, 6-7 parts of peanuts, 4-5 parts of mung beans, 5-8 parts of
arctium lappa leaves, 2-3 parts of miquel linden flowers, 4-6 parts of
hypsizygus marmoreus, 7-9 parts of yacon, 3-5 parts of coconut
powder, 2-4 parts of towel
gourd flowers, 6-8 parts of mangosteens, 5-6 parts of pumpkin
flesh, 10-12 parts of glucose, an appropriate amount of
streptococcus thermophilus, and an appropriate amount of
lactobacillus bulgaricus. In the production process of the purple sweet potato fermented yogurt, firstly the purple sweet potato
powder is subjected to micro-porous treatment, which can enable the purple sweet potato powder to be fermented more completely, increase the yield, and at the same time, enable the obtained purple sweet potato yogurt to be delicate and even in texture, moderate in sourness and
sweetness, uniform in color and luster, and appropriate in
viscosity. The added peanuts, mung beans,
arctium lappa leaves, etc. contain rich nutrients and the dietary fibers, and improve the
nutrient structure, so that the yogurt has very good health-care efficacies.