The invention provides a production method of high-GABA (gamma-
aminobutyric acid) rice. The method comprises the following eight steps: preparing materials, removing impurities, preparing a
nutrient solution, regulating
nutrition, culturing, carrying out micro-gelatinization,
drying, shelling, milling rice and extracting embryos, wherein the step of preparing materials comprises preparing rice andthe
nutrient solution, and the step of removing impurities comprises three
impurity removal processes on the rice surface. When the
nutrient solution is prepared, a clean vessel is taken, water,
vitamin B1,
vitamin B2,
xylanase and
glutamate decarboxylase are sequentially poured into the vessel, and a stirring rod is held by hand to stir for 5-10 minutes at the speed of 30 circles per minute. Byadopting the method disclosed by the invention, four series of nutritional rice including nutritional
brown rice, high-precision nutritional rice, germ rice and nutritional rice germ can be obtained,the color, luster and taste of the finished rice are optimized and improved to a great extent, and the
appetite of an eater can be better promoted. The rice of the invention is rich in nutritional ingredients such as GABA, dietary fibers,
inositol, vitamins, minerals and
anthocyanin (
colored rice), and is more beneficial to the health of people when being eaten.