Method for detoxifying Aspergillus flavus toxin in fruit seed

A kind of aflatoxin and fruit technology, applied in the fields of application, food preparation, food science, etc., can solve the problems of product damage, unsafety, etc., and achieve the effect of simple method and high detoxification rate

Inactive Publication Date: 2009-04-22
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, investigations have found that most of the chemical treatments are impractical (under extreme conditions of temperature and pressure), unsafe (formation of toxic residues) and detrimental to the nutritional, organoleptic and functional properties of the product

Method used

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Examples

Experimental program
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Embodiment

[0025] Take 2.5 kg of peanuts and store them for 30 days in an environment with a temperature of 30±0.5° C. and a relative humidity of 90±1%, so as to naturally become moldy. To study the detoxification effect of citric acid solution on mildew-contaminated peanuts under different concentrations, different liquid-to-solid ratios, and different action time conditions: ①Detoxification test of different solution concentrations, weighing 30g×5 parts of peanut samples, and placing them in In a 1L flask, add 20g / L, 40g / L, 80g / L, 160g / L, 320g / L citric acid solutions at a liquid-to-material ratio of 5:1, respectively, for 30min, drain, and bake at 40°C for 48h , liquid phase detection of toxin content (Table 1); 2. detoxification test of different liquid-material ratios, take 30g * 5 parts of peanut samples, divide them into 1L flasks, and use material-liquid ratio (ml / g) 1:1, Add citric acid solution (80g / L) to 3:1, 5:1, 7:1, 9:1, act for 30min, drain, bake at 40°C for 48h, detect tox...

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PUM

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Abstract

The invention relates to a method for detoxicating aflatoxin in fruit seeds and belongs to the field of food processing. The method for detoxicating aflatoxin in fruit seeds is characterized in that an aqueous solution of citric acid is fully contacted with the fruit seeds; and the aqueous solution of the citric acid is separated from the fruit seeds. Along the rising of the concentration of the aqueous solution of the citric acid, the increase of liquid-to-solid ratio and the prolonging of actuation duration, the detoxicating effect is strengthened. The removal rate of aflatoxin by citric acid solution can reach over 90 percent. The aqueous solution of citric acid is used to remove the aflatoxin in the fruit seeds, has high removal rate and simple method, can not bring new toxic residue, and is a very reliable and effective method.

Description

technical field [0001] The invention relates to the technical field of food engineering and provides a method for detoxifying aflatoxin in fruit grains. Background technique [0002] Aflatoxins (AFT) are a class of toxic substances with strong carcinogenicity and strong immunosuppressive properties. Almost every fruit grain or fruit grain product may grow aflatoxin under certain temperature and humidity. . The most important carrier of aflatoxin is peanut and a series of other nut kernels, as well as corn, rice, soybean, and grain products. The main source of human exposure to aflatoxins is contaminated fruit grains. There are two routes of dietary intake: ① by aflatoxins (mainly B 1 ) Contaminated vegetable fruit grains; ②Aflatoxins (mainly M) entering milk or dairy products (including cheese, milk powder, etc.) 1 ). Aflatoxin is a class of secondary metabolites produced by Aspergillus flavus and Aspergillus parasiticus. It is highly toxic to humans, livestock, poultry ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/015A23L5/20
Inventor 潘家荣李建辉吕伟吕锋周洪杰许园园吴雅欣
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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