Method of producing purple sweet potato and black waxy corn fresh-cut noodles being rich in procyanidine

Abstract

The invention discloses a method of producing purple sweet potato and black waxy corn fresh-cut noodles being rich in procyanidine. According to the method, extraction is carried out to the black waxycorn in ethanol under ultrasonic conditions, so that the procyanidine in the black waxy corn are extracted rapidly through mechanical vibration and cavitation effect of ultrasonic wave; compared withextraction processes in the prior art, the extraction method has short operation time, is economical, convenient and safe, and is suitable for industrial production; then the crude product of procyanidine is purified via NKA-II resin, which has good selectivity on the procyanidine during static adsorption and is high in adsorption rate and desorption rate, so that purified procyanidine is prepared; finally, the procyanidine is dissolved in water and is matched with purple sweet potato flour and wheat flour to make dough for further producing the fresh-cut noodles; by adding a proper amount ofvital wheat gluten and soya bean protein, the noodle not only is chewy but also is improved in nutritional value; due to addition of the procyanidine, the noodle has excellent antibacterial and antioxidizing effect and excellent healthcare functions.

Description

technical field [0001] The invention relates to the technical field of deep processing of miscellaneous grains, in particular to a method for preparing fresh-cut noodles from purple sweet potato and black waxy corn rich in proanthocyanidins. Background technique [0002] Black waxy corn is a variety of black corn. It has different colors such as purple black and jet black and is waxy, which is caused by the precipitation of melanin in the cuticle of its particles. According to research, the melanin in black waxy corn belongs to anthocyanin pigment, and its content gradually decreases from the outer skin of the grain to the inner grain. Black waxy corn has good nutritional and health effects, as well as beauty and anti-aging functions. The trace elements in black waxy corn are several times that of other grains. Anthocyanins have various biological activities such as anti-oxidation, scavenging active oxygen free radicals, anti-tumor, lowering blood fat, anti-allergic, and pr...

AI Technical Summary

Problems solved by technology

The planting method of black waxy corn is basically the same as that of ordinary corn. It can be sown in summer or autumn. The planting method is simple and the planting conditions are not high. Because of its yield and nutrition and other factors are better than ordinary corn, it has been widely planted all over the country. , but the existing deep processing capacity of black waxy corn is far from meeting the surplu...