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Method for producing organic selenium through solid-state two-stage fermentation

An organic selenium, solid-state technology, applied in the direction of animal feed, additional food elements, animal feed, etc., can solve the problems of poor control of selenium enrichment, high technical requirements, and high labor costs, to achieve stable product quality and output, and easy technology. , to achieve the effect of standardization

Pending Publication Date: 2020-09-08
BAISE SANBAO BIOTECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, among these transformation types, they all have obvious defects, mainly ① selenium yeast: large investment, high technical requirements, and waste liquid, such as patent application CN201910134509.8 (a method of using microorganisms to prepare organic selenium extractants); ②Selenium-enriched fungi (ganoderma lucidum, shiitake mushrooms, fungus, etc.): long cycle (6-8 months), large investment, high technical requirements, such as patent application CN201610138862.X (new technology for organic selenium ganoderma cultivation), patent application CN201910824518.X (a method for cultivating selenium-enriched ganoderma fruit bodies and selenium-enriched ganoderma spore powder); ③ selenium malt (or selenium bean sprouts, etc.): the cycle is long (6-7 days), and the selenium-enriched amount is not easy to control, such as Patent application CN201610294882.6 (a production process of selenium-enriched malt powder); ④ Selenium-enriched wheat (or selenium-enriched rice, etc.): long cycle (about 6 months), cumbersome operation, high labor cost, and easy to cause selenium source pollution and waste, such as patent application CN201611015454.1 (selenium-enriched wheat planting method and selenium-enriched wheat flour preparation method)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] (1) Preparation of fermented material: take bran 7kg, cornflour 3kg as fermented material and mix by fermented material mixture: water=100:80 ratio, add water and mix evenly, in water, contain 100mg of selenous acid by every kilogram of dry mixture of fermented material For the amount of sodium, add sodium selenite in advance and melt it, and mix well to get the fermented material;

[0042] (2) Sterilization of the fermented material: pack the fermented material obtained in step (1) into bags according to the weight of each bag of wet material of 5 kg, tie the mouth of the bag tightly, and sterilize for 1 hour at 0.11MP and 121°C;

[0043] (3) primary fermentation: the sterilized fermented material is beaten and cooled on the sterilized platform, then the rhizopus species domesticated through sodium selenite is inoculated by 1% of the dry mixture, after fully mixing, Flatten and cover the sterilized container, send it to a clean constant temperature room for fermentatio...

Embodiment 2

[0049] (1) Preparation of fermented material: take bran 3kg, corn flour 7kg as fermented material and press fermented material mixture: water=100:100 ratio adds water and mixes, and contains 150mg selenous acid by every kilogram of dry mixture of fermented material in water For the amount of sodium, add sodium selenite in advance and melt it, and mix well to get the fermented material;

[0050] (2) Sterilization of the fermented material: bag the fermented material obtained in step (1) according to the weight of each bag of wet material 4kg, tie the mouth of the bag tightly, and sterilize for 1 hour at 0.11MP and 121°C;

[0051] (3) primary fermentation: the sterilized fermented material is beaten and cooled on the platform after the sterilization, then the rhizopus species domesticated through sodium selenite is inoculated by 0.1% of the dry mixture, after fully mixing, Flatten and cover the sterilized container, send it to a clean constant temperature room for fermentation, ...

Embodiment 3

[0057] (1) Preparation of fermented material: take bran 9kg, corn flour 1kg as fermented material and add water and mix by fermented material mixture: water=100:60 ratio, water contains 150mg selenous acid by every kilogram of dry mixture of fermented material For the amount of sodium, add sodium selenite in advance and melt it, and mix well to get the fermented material;

[0058] (2) Sterilization of the fermented material: bag the fermented material obtained in step (1) according to the weight of each bag of wet material 6kg, tie the mouth of the bag tightly, and sterilize for 1 hour at 0.11MP and 121°C;

[0059] (3) primary fermentation: the sterilized fermented material is beaten and cooled on the platform after the sterilization, then the rhizopus species domesticated through sodium selenite is inoculated by 2% of the dry mixture, after fully mixing, Flatten and cover in the sterilized container, and send it to a clean constant temperature room for fermentation. The thick...

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PUM

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Abstract

The invention relates to microbial fermentation, in particular to a method for producing organic selenium through solid-state two-stage fermentation. Saccharified rhizopus and alcohol yeast are used as carriers, high-toxicity sodium selenite is converted into low-toxicity organic selenium through solid-state two-stage fermentation, the total selenium content and the organic selenium content of theproduct are stably controlled to be 0-330 mg / kg and 0-300 mg / kg respectively, and organic selenium accounts for more than 90% of total selenium. According to the technical scheme, the method is easyto master, easy to operate, flexible in investment amount, short in production period and high in effect taking speed, only 3-4 days are needed, and the organic selenium produced through the method ishigh in content, free of toxicity, capable of being widely applied to selenium-rich agriculture, forestry and livestock products and high in use safety.

Description

technical field [0001] The invention relates to microbial fermentation, in particular to a method for producing organic selenium by solid-state two-stage fermentation. Background technique [0002] Selenium is an essential trace element in human and animal life. It has biological properties such as scavenging free radicals, anti-oxidation, anti-aging, anti-cancer, enhancing immunity, and antagonizing heavy metals. The World Health Organization recognizes that selenium supplementation can effectively prevent the high incidence of more than 40 diseases. [0003] Traditional selenium is divided into inorganic selenium and organic selenium. Inorganic selenium includes selenate, selenite, etc., mainly selenite, which is highly toxic and difficult to be absorbed, so it is not suitable for humans and animals; organic selenium mainly includes selenoamino acids, selenoproteins , selenium polysaccharides and other forms, it has good absorption effect for humans and animals, low toxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/30A23K10/37A23K10/12A23K20/20
CPCA23K10/30A23K10/37A23K10/12A23K20/30Y02P60/87
Inventor 李发盛黄劭兰欧娜钟春城黄雪星曾维铭谢唯何达崇张九龙罗先群
Owner BAISE SANBAO BIOTECH CO LTD