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Production method of instant fermented steamed brown rice

A production method and a technology for germinated brown rice, which are applied in the field of deep processing of grains, can solve the problems of difficulty in determining compound strains, destroy the texture characteristics of germinated brown rice, etc., and achieve the effects of shortening cooking time, eliminating bad flavor and improving nutritional value.

Active Publication Date: 2020-04-14
UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, it is difficult to determine the final compound strain due to the fact that there are many types of strains that can be used in ordinary food in my country.
On the other hand, if the amount of bacteria added is not appropriate, the original texture characteristics of germinated brown rice will be seriously damaged.

Method used

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  • Production method of instant fermented steamed brown rice
  • Production method of instant fermented steamed brown rice
  • Production method of instant fermented steamed brown rice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A kind of production method of instant germinated brown rice comprises the following steps:

[0051] S1. Select fresh, non-rotten brown rice, sieve and remove impurities, soak and disinfect with 1% hydrogen peroxide solution for 5 minutes, and then wash twice with slightly acidic electrolyzed water with an effective chlorine concentration of 25mg / L and drain the brown rice grains surface moisture.

[0052] S2. Soak brown rice in slightly acidic electrolyzed water at a temperature of 30° C. for 8 hours, and then wash with slightly acidic electrolyzed water with an available chlorine concentration of 25 mg / L.

[0053] S3, spread the brown rice on gauze and spray 1.5g / L sodium glutamate nutrient solution, the ambient temperature for germination is 32°C, and the relative humidity is 90%. Inoculate 0.1% Aspergillus oryzae and 0.1% Lactobacillus plantarum. Sodium glutamate nutrient solution was sprayed every 6 hours, and the germination time was 24 hours.

[0054] S4. Mix ...

Embodiment 2

[0060] A kind of production method of instant germinated brown rice comprises the following steps:

[0061] S1. Select fresh, non-rotten brown rice, sieve and remove impurities, soak and disinfect with 1.5% hydrogen peroxide solution for 10 minutes, then wash twice with slightly acidic electrolyzed water with an effective chlorine concentration of 30 mg / L and drain the surface of the brown rice grains moisture.

[0062] S2. Soak the brown rice in slightly acidic electrolyzed water with a temperature of 35° C. for 10 hours, and then wash it with slightly acidic electrolyzed water with an available chlorine concentration of 30 mg / L.

[0063] S3, spread the brown rice on gauze and spray 2g / L sodium glutamate nutrient solution, the germination environment temperature is 35°C, and the relative humidity is 95%. Inoculate with 0.2% Aspergillus oryzae and 0.2% Lactobacillus plantarum. Sodium glutamate nutrient solution was sprayed every 6 hours, and the germination time was 22 hours...

Embodiment 3

[0070] A kind of production method of instant germinated brown rice comprises the following steps:

[0071] S1. Select fresh, non-rotten brown rice, sieve and remove impurities, soak and disinfect with 2% hydrogen peroxide solution for 15 minutes, then wash twice with slightly acidic electrolyzed water with an effective chlorine concentration of 25mg / L and drain the surface of the brown rice grains moisture.

[0072] S2. Soak the brown rice in slightly acidic electrolyzed water with a temperature of 32° C. for 13 hours, and then wash it with slightly acidic electrolyzed water with an available chlorine concentration of 25 mg / L.

[0073] S3, spread the brown rice on gauze and spray 1.8g / L sodium glutamate nutrient solution, the germination environment temperature is 33°C, and the relative humidity is 85%. Inoculate 0.15% Aspergillus oryzae and 0.15% Lactobacillus plantarum. Sodium glutamate nutrient solution was sprayed every 6 hours, and the germination time was 26 hours.

...

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Abstract

The invention discloses a production method of instant fermented steamed brown rice. The method comprises the following steps: (1) disinfecting selected brown rice grains by using a hydrogen peroxidesolution; (2) controlling the growth of microorganisms in the soaking process by using slightly acidic electrolyzed water; (3) inoculating aspergillus oryzae and lactobacillus plantarum to shorten thegermination time; (4) spraying a nutrient solution containing sodium glutamate in the germination process to increase the content of gamma-aminobutyric acid; (5) cooking under high pressure to obtainsteamed brown rice; (6) performing low-temperature freezing treatment on the steamed brown rice so as to increase the content of resistant starch; and (7) performing modified atmosphere packaging with carbon dioxide-nitrogen after drying. The cooked germinated steamed brown rice prepared by the method can be re-cooked by adding water into an electric cooker or a pressure cooker. According to thecooked germinated steamed brown rice product capable of being recooked, the content of gamma-aminobutyric acid, the content of total phenol and the content of resistant starch are higher, the contentof fast-digestion starch is reduced, and the cooked germinated steamed brown rice product has the instant property of convenient food, tastes good and is easy to preserve and transport.

Description

technical field [0001] The invention belongs to the technical field of grain deep processing, and relates to a production method of frozen instant germinated brown rice. Background technique [0002] Brown rice is rich in minerals, oils, vitamins, iron, dietary fiber, thiamine, tocopherols, tocotrienols, and GABA, and is recognized as a healthy food. Brown rice is lower in carbohydrates than white rice. Brown rice has about five times the thiamine and two to three times the fiber, niacin, phosphorus, potassium, iron, sodium and riboflavin of white rice. [0003] Germinated brown rice is a brown rice product with young buds and cortical endosperm, which is cultivated under certain temperature, humidity and oxygen content conditions to a certain bud length. Germination has a greater impact on the nutritional value of brown rice, which is manifested as an increase in the proportion of protein, a degree of proteolysis, a significant increase in the content of small molecule po...

Claims

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Application Information

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IPC IPC(8): A23L7/104
CPCA23L7/104
Inventor 郑子懿李琳曹琳彩蔡王纳慧曹荻苹
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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