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Preparation method for selenium-rich germinated rice

A germinated rice and selenium-enriched technology, applied in food preparation, food ultrasonic treatment, food extraction, etc., can solve the problems of human injury, unavoidable residue, unfavorable for fermented food production, etc., achieve high conversion rate and be conducive to full utilization , the effect of improving safety

Active Publication Date: 2014-09-17
恩施硒圣植物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, selenate and selenite are highly toxic inorganic salts, which will definitely cause harm to the human body to a certain extent in the process of large-scale production.
At the same time, selenate and selenite that have not been completely converted into organic selenium are still difficult to avoid remaining after treatment, which is not conducive to the production of fermented food

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Crush selenium-enriched coal gangue so that the diameter is between 40-100 mesh, take 100g, soak in 300mL sulfurous acid solution (concentration: 20%, v / v) for 24 hours, and use ultrasonic vibration to accelerate the coal gangue Dissolution of selenium in gangue;

[0025] (2) Take 150mL sodium phosphate solution (10% concentration, v / v) to precipitate and filter heavy metals in coal gangue;

[0026] (3) Adjust the pH of the filtrate to neutral with NaOH solution (concentration: 5%, v / v);

[0027] (4) Divide the filtrate into beakers as a soaking liquid, with a volume of 250 / 500ml, and add 100g of brown rice with full grains;

[0028] (5) Place the beaker in a 20°C water bath and soak for 24 hours;

[0029] (6) Take out the soaked brown rice and germinate it in an incubator at 20°C for 30 hours;

[0030] (7) Vacuum freeze-dry the germinated rice, and the water content is less than 15%;

[0031] (8) Pack the dried selenium-enriched germinated rice in an airtight p...

Embodiment 2

[0033] (1) Crush selenium-enriched coal gangue so that the diameter is between 40-100 mesh, take 150g, soak in 350mL sulfurous acid solution (concentration: 18%, v / v) for 24 hours, and use ultrasonic vibration to accelerate the coal gangue Dissolution of selenium in gangue;

[0034] (2) Take 200mL sodium phosphate solution (15% concentration, v / v) to precipitate and filter the heavy metals in the selenium ore;

[0035] (3) Dilute the filtrate with NaHCO 3 Solution (concentration is 10%, v / v) to adjust pH to neutral;

[0036] (4) Divide the filtrate into beakers as a soaking liquid, the filling volume is 280 / 500ml, and add 150g of full-grained brown rice;

[0037] (5) Place the beaker in a 25°C water bath and soak for 20 hours;

[0038] (6) Take out the soaked brown rice and germinate it in an incubator at 25°C for 35 hours;

[0039] (7) Vacuum freeze-dry the germinated rice, and the water content is less than 15%;

[0040] (8) Pack the dried selenium-enriched germinated r...

Embodiment 3

[0042] (1) Crush selenium-enriched coal gangue so that the diameter is between 40-100 mesh, take 180g, soak in 400mL sulfurous acid solution (concentration: 15%, v / v) for 24 hours, and use ultrasonic vibration to accelerate the coal gangue Dissolution of selenium in gangue;

[0043] (2) Take 200mL sodium phosphate solution (15% concentration, v / v) to precipitate and filter the heavy metals in the selenium ore;

[0044] (3) Adjust the pH of the filtrate to neutral with NaOH solution (concentration: 5%, v / v);

[0045] (4) Divide the filtrate into beakers as a soaking liquid, with a volume of 300 / 500ml, and add 200g of full-grained brown rice;

[0046] (5) Place the beaker in a 30°C water bath and soak for 18 hours;

[0047] (6) Take out the soaked brown rice and germinate it in a 30°C incubator for 30 hours;

[0048] (7) Vacuum freeze-dry the germinated rice, and the water content is less than 15%;

[0049] (8) Pack the dried selenium-enriched germinated rice in an airtight ...

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Abstract

The invention discloses a preparation method for selenium-rich germinated rice, which belongs to the technical field of food processing. The method comprises the following steps: (1) subjecting crushed selenium-rich gangue to soaking in an acid solution and to ultrasonic concussion; (2) subjecting the solution obtained in the step (1) to precipitation and filtration of heavy metals; (3) adjusting the pH value of a filtrate until the filtrate is neutral; (4) adding brown rice into the filtrate and carrying out constant-temperature soaking and germination; and (5) carrying out vacuum freeze drying so as to obtain the germinated rice with high content of selenium. According to the invention, the selenium-rich gangue is creatively used as a raw material of selenium and replaces inorganic selenite, the resource of selenium-rich gangue is effectively utilized, safety of production process and the germinated rice product is improved, and the selenium content of the germinated rice is as high as 220 to 260 mu g / Kg.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a method for preparing food-grade selenium-enriched germinated rice. Background technique [0002] Germinated rice, rich in nutrients, protein, fat, vitamin B1, and vitamin E are higher than white rice, and the phytate (IP-6) contained in it has a strong antioxidant capacity and helps to treat kidney stones , reduce cholesterol and blood lipids, and have anti-cancer effects; γ-aminobutyric acid (GABA) can improve cerebral blood flow, adjust blood pressure, calm nerves, etc., especially the germinated rice after the enzyme is fully activated, can lower blood pressure, stabilize nerves, Improve kidney and liver function, and inhibit cancer cells. Selenium can prevent and inhibit tumors, anti-aging, maintain the normal function of the cardiovascular system, and prevent the occurrence of arteriosclerosis and coronary heart disease. Selenium deficiency can lead to Keshan dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/185A23L7/20
CPCA23L7/20A23L33/16A23V2002/00A23V2250/1626A23V2300/14A23V2300/48
Inventor 汪超周娜李冬生高冰龚怡卢忠诚谢科生柳先萍曹约泽邹桂怀徐宁胡勇朱于鹏祁勇刚
Owner 恩施硒圣植物科技有限公司
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