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Method for removing aflatoxin out of peanut oil

A technology of aflatoxin and peanut oil, applied in the field of biochemistry, can solve the problems of harsh enzyme action conditions, achieve mild reaction conditions, avoid large oil consumption, and have broad application prospects

Active Publication Date: 2014-06-25
山东金胜粮油食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the research on the biodegradation of aflatoxins has made great progress, there is still a certain distance from the actual production and application due to the harsh conditions of enzyme action.

Method used

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  • Method for removing aflatoxin out of peanut oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for removing aflatoxin in peanut oil, comprising

[0031] A material selection process:

[0032] First, distinguish the origin of raw materials, select high-quality peanuts in batches of 200 tons, and conduct sampling inspections before shelling and rice transformation, such as: water impurities, aspergillus flavus, acid value, peroxidant, oil content and other indicators for laboratory testing , make a record; after passing the test, receive it into the warehouse.

[0033] Use the specific gravity destoner to separate and wash out the dust, soil, stones, metals, impurities, etc. in the fruit; use the sheller to grade and shell the large and small fruits according to the specific gravity level, so as to reduce the damage of peanuts. The damage rate is guaranteed to be around 5%, and the improved semi-finished peanuts are packaged into the warehouse.

[0034] B Peanut Grading Screening:

[0035] Firstly, check the bag opening, arrange the raw material bags in...

Embodiment 2

[0046] A method for removing aflatoxin in peanut oil, comprising

[0047] A material selection process:

[0048] First, distinguish the origin of raw materials, select high-quality peanuts in batches of 200 tons, and conduct sampling inspections before shelling and rice transformation, such as: water impurities, aspergillus flavus, acid value, peroxidant, oil content and other indicators for laboratory testing , make a record; after passing the test, receive it into the warehouse.

[0049] Use the specific gravity destoner to separate and wash out the dust, soil, stones, metals, impurities, etc. in the fruit; use the sheller to grade and shell the large and small fruits according to the specific gravity level, so as to reduce the damage of peanuts. The damage rate is guaranteed to be around 5%, and the improved semi-finished peanuts are packaged into the warehouse.

[0050] B Peanut Grading Screening:

[0051] Firstly, check the bag opening, arrange the raw material bags in...

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Abstract

The invention provides a method for removing aflatoxin out peanut oil. The method comprises the following steps: A, selecting materials; B, grading and screening peanuts; and C, feeding and squeezing oil, The method is characterized in that aflatoxin is removed by means of a compound enzyme in the step C, wherein the compound enzyme consists of phospholipase A1, laccase, neutral proteases, xylanases by adding phospholipase A1, laccase, neutral proteases and xylanases respectively according to proportions of 0.3g / kg, 0.2g / kg, 0.5g / kg and 0.1g / kg; then hydrolysis is carried out at 42 DEG C for 5-6 hours; and finally the pH of hydrolyzate is adjusted to 6.8. According to the method, aflatoxin is removed by a biological method, reaction conditions are mild and operation is simple, aflatoxin content meets national standards, and the method disclosed by the invention has a broad application prospects.

Description

[0001] technical field The invention belongs to the technical field of biochemistry, and in particular relates to a method for removing aflatoxin in peanut oil. Background technique [0002] my country is one of the most important major peanut producing countries in the world, with an output of more than 40% of the world's total output. According to statistics, the annual output of my country's peanuts has reached 15.22 million tons, surpassing that of soybeans (15.2 million tons), and has become the first oil crop in my country. The total output, per unit yield and export volume all rank first in the world. Peanut oil is the most edible and consumed edible oil by ordinary people in our country, but the safety of edible oil based on peanut oil is not optimistic. Aflatoxin contamination of peanut oil is a worldwide problem, and it is the biggest and most important risk faced by peanut oil export and consumption. Aflatoxin is a secondary metabolite produced by Aspergillus flav...

Claims

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Application Information

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IPC IPC(8): C11B1/06C11B1/04
Inventor 高冠勇陈宁
Owner 山东金胜粮油食品有限公司
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