Method for preparing Se-enriched rice protein by tissue culture method

Abstract

The invention relates to a method for preparing Se-enriched rice protein by a tissue culture method. The method comprises the steps of (1) cleaning fresh coarse rice or rice germ; (2) disinfecting the coarse rice or the rice germ; (3) adding inorganic selenium solution and a plant growth regulator, and carrying out tissue culture on the coarse rice or the rice germ; (4) collecting the cultured coarse rice or rice germ, washing and pulping; (5) extracting protein to obtain the Se-enriched rice protein. The Se-enriched rice protein product can be taken as a nutritional supplement used for people who have selenium deficiency.

Description

technical field [0001] The invention relates to a production method of nutritious food, in particular to a production method of selenium-enriched rice protein. Background technique [0002] Recent surveys and studies (Nutrition and Health Survey of Chinese Residents, 2002) show that a considerable part of the population in my country has insufficient dietary intake of zinc, selenium, germanium, calcium, iron, iodine and other trace elements. As far as selenium is concerned, there are 2 / 3 regions in the world and 72% of counties and cities in China are deficient in selenium. Selenium deficiency is more common in developing children, adolescents, pregnant women and nursing mothers. The development of selenium-rich nutritional supplements is of great significance to improving the health of people in our country. [0003] Rice is the staple food of 70% of people in my country, and using rice as a source of mineral nutrition has the advantages of conforming to people's eating ha...

AI Technical Summary

Problems solved by technology

[0005] (1) The planting method has low enrichment efficiency, long production cycle and low enrichment concentration

[0006] The production cycle of the planting method to produce trace element-rich products needs more than 3 months; when the planting method is enriched, the main method is to apply trace element fertilizer, only a part of the trace elements in the fertilizer is absorbed by the crops, and a large amount of trace mineral elements enter the environment, resulting in a large loss; Moreover, only a small part of the trace elements absorbed by crops is enriched in edible parts, and the enrichment concentration is limited, so the efficiency of planting enrichment method is very low

[0007] (2) Germination products have poor taste, and the utilization rate of cellulose-bound trace mineral elements is low

However, most of the mineral elements in germinated grains are concentrated in the seed coat and exist in a form of low nutritional value (such as cellulose-bound state), which is digested and absorbed by the human body.