Radix puerariae and purple sweet potato composite handmade yoghourt and preparation method thereof

Abstract

The invention discloses radix puerariae and purple sweet potato composite handmade yoghourt and a preparation method thereof. The radix puerariae and purple sweet potato composite handmade yoghourt ismainly prepared from raw materials of radix puerariae powder, purple sweet potato powder, pure milk, cane sugar, and mixed strains consisting of streptococcus thermophilus and lactobacillus bulgaricus. The preparation method comprises the following steps of adding boiling water to the radix puerariae powder and the purple sweet potato powder, and performing brewing so as to obtain radix puerariaeand purple sweet potato paste; and performing cooling, adding the pure milk and the cane sugar, and performing technologies of homogenization, sterilization, inoculation, fermentation and after-ripening, so as to obtain the radix puerariae and purple sweet potato composite handmade yoghourt. According to the radix puerariae and purple sweet potato composite handmade yoghourt and the preparation method thereof disclosed by the invention, the radix puerariae, the purple sweet potatoes and the milk are synergetic effects, so that the radix puerariae and purple sweet potato composite handmade yoghourt integrates the nutritive and health-care value of the radix puerariae, the nutritive and health-care value of the purple sweet potatoes and the nutritive and health-care value of the milk, integrates multiple flavor, and is unique in flavor, the kinds of functional yoghourt are increased, and the market of the handmade yoghourt is enriched.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a kudzu root purple sweet potato composite handmade yoghurt and a preparation method thereof. Background technique [0002] The main active ingredients of kudzu root are daidzein aglycone, daidzin, puerarin and other isoflavones, which have antibacterial properties, promote blood circulation and remove blood stasis, dilate coronary arteries and cerebrovascular vessels, reduce myocardial oxygen consumption, improve myocardial contractility, Promote blood circulation, enhance the body's immunity and other pharmacological and health effects. In addition to the nutrients of ordinary sweet potatoes, purple potatoes are also rich in trace elements such as selenium, iron and anthocyanins. Selenium and iron are essential elements for the human body to resist fatigue, anti-aging, and nourish blood, and have good health care functions. Selenium is also the "king of anti-cancer", w...

AI Technical Summary

Problems solved by technology

Because these research and development processes are mainly aimed at shelf dairy products produced in large quantities by enterprises, the production process is complex and the production standards are high, and the shelf life is long. In addition, due to other reasons such as taste and nutritional value, research and development applications are limited.

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