Minty purple sweet potato fermented yogurt with effects of clearing heat and inducing diuresis and preparation method thereof

Abstract

The invention discloses minty purple sweet potato fermented yogurt with the effects of clearing heat and inducing diuresis. The minty purple sweet potato fermented yogurt is prepared from the following raw materials in parts by weight: 200-220 parts of purple sweet potatoes, 10-12 parts of skim milk powder, 6-7 parts of spina date seeds, 2-4 parts of heartleaf houttuynia herb, 5-6 parts of liquorice root, 8-10 parts of peppermint juice, 2-3 parts of corn stigma, 4-6 parts of seaweeds, 3-5 parts of pomegranate rind, 6-8 parts of cornflower, 0.2-0.4 part of stevioside, 10-15 parts of honey, 10-12 parts of glucose, proper amount of streptococcus thermophilus and proper amount of lactobacillus bulgaricus. The minty purple sweet potato fermented yogurt has the advantages that by firstly carrying out micropore treatment on purple sweet potato powder in the production process of the purple sweet potato fermented yogurt, the purple sweet potato powder can be fermented more thoroughly, the yield can be increased, and meanwhile, the obtained purple sweet potato yogurt has exquisite tissue, uniform texture, moderate sourness and sweetness, uniform color and moderate viscosity; by adding the peppermint juice, the yogurt has refreshing taste and the taste is enhanced; the added Chinese herbal medicine components, such as heartleaf houttuynia herb, liquorice root and corn stigma, have the effects of clearing heat and inducing diuresis, thus increasing the economic value of the product.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a mint-flavored heat-clearing and diuretic purple sweet potato fermented yoghurt and a preparation method thereof. Background technique [0002] People in our country have always had the habit of eating sweet potatoes, but they still know little about purple sweet potatoes. As a kind of black food, purple sweet potatoes have high nutritional value, health care functions and broad development prospects. Purple sweet potato, formerly known as Chuanshan purple, also known as purple sweet potato and purple sweet potato, belongs to the annual herb of Convolvulaceae. The skin of purple sweet potato is purple and nearly black, and the flesh is purple to deep purple, with bright color, hence the name. Purple sweet potato can not only be eaten fresh, but also can be processed into a beautiful, nutritious and healthy snack food. Most provinces in my country are very suitable for ...

AI Technical Summary

Problems solved by technology

[0003] At present, the research on purple sweet potato is mainly focused on the functional aspects of its nutritional components, but there are few researches on its processed products, and there has been no in-depth research on purple sweet potato lactic acid fermentation, and there are few related reports.