Technique for enriching gamma-aminobutyric acid from wet type germinated brown rice and product thereof

Abstract

The invention discloses a technique for enriching gamma-aminobutyric acid (GABA) from wet type germinated brown rice and a product of the technique, which belong to the field of food biologic technology. The technique is characterized by comprising the following steps: sorting a brown rice raw material, putting into a humidifying tempering device, humidifying and atomizing by using a citric acid liquid with the pH value of 2.0-3.0, subsequently atomizing to humidify, heating up to germinate, tempering, drying, slightly grinding, polishing and packaging so as to obtain the germinated brown rice that the rice skin is semi-removed. The produced germinated brown rice can be subjected to whitening treatment and has the characteristics of low broken rice rate, good boiling property, good palatability, easiness in digestion and absorption by human bodies, and the like, and the problems that the conventional germinated brown rice which is produced by a soaking method is high in breaking rate, cannot be whitened, is poor in taste and hard to popularize are solved. The content of GABA of the product produced by using the technique disclosed by the invention is 16-20mg / 100g.

Description

1. Technical field [0001] The invention relates to a wet germination technology for enriching gamma-aminobutyric acid in brown rice and a product thereof, belonging to the field of food biotechnology. 2. Technical Background [0002] Rice is the main source of energy intake for the human body, and its nutritional function plays a pivotal role in the diet. With the improvement of national living standards and the gradual change of diet structure, the processing precision of rice is also getting higher and higher. In the process of pursuing more refined and whiter rice, a lot of cellulose, hemicellulose, trace elements and some functional factors (such as GSH, octacosanol, phytic acid, etc.) It is one of the reasons for the increase of sub-health population. [0003] Brown rice is a living grain obtained after paddy is ridged, and is rich in nutrition. Because the cortex of brown rice contains extremely high-density crude fiber tissue and bran wax, resulting in poor water a...

AI Technical Summary

Problems solved by technology

[0005] The patent (publication number CN101416695, publication date on April 29, 2009) discloses a production method of germinated brown rice, by directly treating brown rice with cellulase or compound pectinase, degrading the cellulose and pectin substances in the outer layer, Soften the tissue structure and reduce its hardness after cooking, thereby improving the eating quality of brown rice, but this method requires a large amount of enzyme preparations and increases production costs

The patent (publication number CN102989540, publication date March 27, 2013) discloses a production method of germinated brown rice, which uses germinated brown rice subjected to low temperature and low oxygen stress, and after screening and removing impurities, carries out hot air circulation constant temperature or variable temperature slow drying, Then carry out mild rice milling treatment, the germinated brown rice obtained by this method is rich in nutrients, high in GABA content, and the broken rice rate is low, but this method adopts low temperature and low oxygen treatment, which increases the production cost