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Mildew-proof preservation method for unhusked rice

A preservation method and technology of paddy, which are applied in the fields of edible seed preservation, food preservation, and seeds preservation by drying, can solve the problems of aging and degeneration of colloidal substances, decrease in edible quality, heat and mildew of paddy, and prevent moisture deterioration and nutrition. Leaves intact and speeds up drying

Inactive Publication Date: 2018-09-21
安徽省禾健米业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the condition of high temperature and high humidity, the respiration intensity of rice is extremely high, and it is easy to generate heat. When the moisture content of rice exceeds the safety standard, heat generation is very easy to occur, and it is more likely to cause heat and mildew in rice. Under the influence, the color and taste will decrease, the fatty acid value will increase, the rice will become sour, the colloidal substance will age and denature, the viscosity will decrease, the water absorption will decrease, and the eating quality will decrease

Method used

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  • Mildew-proof preservation method for unhusked rice
  • Mildew-proof preservation method for unhusked rice
  • Mildew-proof preservation method for unhusked rice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A mildew-proof preservation method for rice, comprising the following steps:

[0029] (1) Put the freshly harvested rice in a drying table for drying until the moisture content is lower than 35%;

[0030] (2) Place the dried rice in a freezer. When freeze-drying, lower the temperature of the freezer to -5°C and keep it for 40 minutes. 20 minutes;

[0031] (3) Spray the anti-mildew and anti-insect liquid on the frozen rice, and fully stir it evenly;

[0032] (4) Spread the rice treated in step 3 flat under the sun at 28°C and expose to the sun for 12 hours;

[0033] (5) Utilizing a vibrating sieve or a cylindrical sieve to remove impurities contained in the dried rice by using a vibrating sieve or a cylindrical sieve, and controlling the impurity content to be less than 0.5% of the total weight;

[0034] (6) Put the rice after removing impurities in step 5 into the warehouse, and a desiccant is arranged in the warehouse, and 50 g of desiccant is provided per square me...

Embodiment 2

[0044] A mildew-proof preservation method for rice, comprising the following steps:

[0045] (1) Put the freshly harvested rice in a drying table for drying until the moisture content is lower than 35%;

[0046] (2) Place the dried rice in a freezer. When freeze-drying, lower the temperature of the freezer to -10°C and keep it for 40 minutes. 20 minutes;

[0047] (3) Spray the anti-mildew and anti-insect liquid on the frozen rice, and fully stir it evenly;

[0048] (4) Spread the rice treated in step 3 flat under the sun at 35°C for 18 hours;

[0049] (5) Utilizing a vibrating sieve or a cylindrical sieve to remove impurities contained in the dried rice by using a vibrating sieve or a cylindrical sieve, and controlling the impurity content to be less than 0.5% of the total weight;

[0050] (6) Put the rice after removing impurities in step 5 into the warehouse, and a desiccant is provided in the warehouse, and 80g of desiccant is provided per square meter.

[0051] Further, ...

Embodiment 3

[0060] A mildew-proof preservation method for rice, comprising the following steps:

[0061] (1) Put the freshly harvested rice in a drying table for drying until the moisture content is lower than 35%;

[0062] (2) Put the dried rice in the freezer. When freeze-drying, first lower the temperature of the freezer to -8°C, keep it for 40 minutes, then raise the temperature to 4°C, keep it for 20 minutes, then raise the temperature to 8°C, keep it 20 minutes;

[0063] (3) Spray the anti-mildew and anti-insect liquid on the frozen rice, and fully stir it evenly;

[0064] (4) Spread the rice treated in step 3 flat under the sun at 32°C and expose to the sun for 16 hours;

[0065] (5) Utilizing a vibrating sieve or a cylindrical sieve to remove impurities contained in the dried rice by using a vibrating sieve or a cylindrical sieve, and controlling the impurity content to be less than 0.5% of the total weight;

[0066] (6) Put the rice after removing impurities in step 5 into the...

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Abstract

The invention relates to the technical field of grain storage, and relates to a mildew-proof preservation method for unhusked rice. The method adopts a mode of air drying, freezing and exposing the unhusked rice to sunlight for a long time, so that the moisture content of the unhusked rice is kept low, rice grains are more complete, the nutrient reservation is more complete, impurity removal, insect removal and bacterium removal can be effective, and long-term storage is better facilitated; after being air-dried, the unhusked rice is subjected to freeze-drying and secondary dehydration so as to remove the active water contained in the unhusked rice, and to avoid sprouting during storage; and a drying agent is arranged in a grain storage barn so as to effectively ensure that the unhusked rice is dry in the preservation process, and to prevent the unhusked rice from deterioration due to dampness.

Description

technical field [0001] The invention relates to the technical field of grain storage, in particular to a mildew-proof preservation method for rice. Background technique [0002] Rice, botanically belongs to the common rice subspecies in the common cultivated rice subgenus of the genus Poaceae. It is one of the most important food crops in my country. At present, the sown area of ​​rice in my country accounts for about 1 / 4 of the total area of ​​food crops, and its output accounts for about 1 / 2 of the country's total grain output, accounting for more than half of the commercial grain. The production areas are all over the country. [0003] Paddy is sensitive to the influence of temperature and humidity, has strong hygroscopicity, and has a large amount of bacteria, which is easy to be directly damaged by pests and molds. Under the condition of high temperature and high humidity, the respiration intensity of rice is extremely high, and it is easy to generate heat. When the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/08A23B9/10A23B9/26A23B9/30
CPCA23B9/08A23B9/10A23B9/26A23B9/30
Inventor 魏杨和张卫东杨祖国王国辉刘启宏
Owner 安徽省禾健米业集团有限公司