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Method for preparing germinated brown rice through dual-stress germination

A technology for germinating brown rice and brown rice, applied in germination equipment, food science, etc., can solve the problems of unsatisfactory GABA enrichment effect, long germination cycle, and low germination rate, so as to speed up water absorption rate, increase germination rate, and increase GABA The effect of content

Active Publication Date: 2020-11-06
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the stress germination methods use a single stress germination method, and there are few methods that use two or more stresses, which cannot effectively solve the long germination cycle, low germination rate, and GABA enrichment in the traditional soaking germinated brown rice preparation process. Issues such as unsatisfactory effects

Method used

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  • Method for preparing germinated brown rice through dual-stress germination
  • Method for preparing germinated brown rice through dual-stress germination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] 1. After rice seeds are hulled and impurity removed, the plump grains with embryos are selected, which is brown rice.

[0041] 2. Weigh 300g of brown rice, put it into a 1000mL beaker, add 400mL of sodium hypochlorite solution with a concentration of 0.5% (v / v), and soak for 40min at room temperature. After soaking, wash the brown rice several times with deionized water, drain and set aside.

[0042] 3. Transfer brown rice to a beaker, place 2 air pump heads on the bottom of brown rice at the same time, add 500mL composite metal ion soaking solution (50mmol / L calcium chloride, 15mmol / L zinc sulfate), and start soaking. After soaking for 9 hours, turn on the air pump switch, so that the air pump blows fresh air into the soaking liquid, and the ventilation rate is set to 1.0L / min. Turn off the air pump after ventilating for 3 hours, and the immersion ends.

[0043] 4. Rinse the soaked brown rice several times with deionized water and drain, add 400mL of composite metal ...

Embodiment 2

[0047] 1. After rice seeds are hulled and impurity removed, the plump grains with embryos are selected, which is brown rice.

[0048] 2. Weigh 200g of brown rice, put it into a 1000mL beaker, add 300mL of sodium hypochlorite solution with a concentration of 0.5% (v / v), and soak for 20min at room temperature. After soaking, wash the brown rice several times with deionized water, drain and set aside.

[0049] 3. Transfer brown rice to a beaker, place 2 air pump heads on the bottom of brown rice at the same time, add 400mL composite metal ion soaking solution (20mmol / L calcium chloride, 5mmol / L zinc sulfate), and start soaking. After soaking for 7 hours, turn on the air pump switch, so that the air pump blows fresh air into the soaking liquid, and the ventilation rate is set to 0.1L / min. After ventilating for 5 hours, turn off the air pump, and the immersion ends.

[0050] 4. Rinse the soaked brown rice several times with deionized water and drain, add 300mL of composite metal ...

Embodiment 3

[0054] 1. After rice seeds are hulled and impurity removed, the plump grains with embryos are selected, which is brown rice.

[0055] 2. Weigh 250g of brown rice, put it into a 1000mL beaker, add 350mL of sodium hypochlorite solution with a concentration of 0.5% (v / v), and soak for 30min at room temperature. After soaking, wash the brown rice several times with deionized water, drain and set aside.

[0056] 3. Transfer the brown rice to a beaker, place 2 air pump heads on the bottom of the brown rice at the same time, add 450mL composite metal ion soaking solution (35mmol / L calcium chloride, 10mmol / L zinc sulfate), and start soaking. After soaking for 10 hours, turn on the air pump switch, so that the air pump blows fresh air into the soaking liquid, and the ventilation rate is set to 0.5L / min. After ventilating for 2 hours, turn off the air pump, and the immersion ends.

[0057] 4. Rinse the soaked brown rice several times with deionized water and drain, add 350mL of compos...

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Abstract

The invention discloses a method for preparing germinated brown rice through dual-stress germination, and belongs to the field of grain processing. The method comprises the following steps: (1) pretreatment of unhusked rice; (2) disinfection of brown rice; (3) soaking the brown rice, namely soaking the brown rice by using a high-concentration composite metal ion solution, and carrying out low-oxygen ventilation treatment in the later period of soaking; (4) performing dual-stress germination on the brown rice: performing soaking treatment by using a low-concentration composite metal ion solution, and performing ventilation treatment in the later period of germination; and (5) drying to stop germination, and preserving at normal temperature. Compared with a traditional soaking type germination process, the germination period is shortened, the germination rate of the brown rice is increased, the content of gamma-aminobutyric acid (GABA) in the germinated brown rice is increased, and the prepared whole-grain germinated brown rice with the high GABA content can be directly eaten as staple food or used as raw material for food processing; the method has a wide market prospect and is a simple and efficient germinated brown rice preparation method.

Description

technical field [0001] The invention relates to a method for preparing germinated brown rice by double stress germination, which belongs to the field of grain processing. Background technique [0002] Germinated brown rice is a whole grain food obtained by germinating brown rice under certain conditions. Compared with polished rice, germinated brown rice is rich in various nutrients such as GABA and dietary fiber, and its GABA content is usually more than 5 times that of polished rice. GABA is a non-protein functional amino acid, which has various physiological functions such as calming nerves, anti-anxiety, improving memory and sleep. [0003] At present, the traditional soaking germinated brown rice preparation technology generally has problems such as long germination cycle, low germination rate, and unsatisfactory GABA enrichment effect, which affects the edible and processing quality of germinated brown rice, and limits the food utilization and industrialization of ger...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L7/152A01C1/02
CPCA23L7/152A01C1/02Y02P60/21
Inventor 王韧张颖陈正行周星王涛冯伟
Owner JIANGNAN UNIV
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