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Plant essential oil composition for fumigating and killing grain aspergillus flavus

A technology of plant essential oils and natural plant essential oils, which is applied in the field of plant essential oil compositions for fumigation and killing of Aspergillus flavus in grains, can solve problems such as easy breeding of Aspergillus flavus and hidden dangers of food safety, and achieve the effect of natural materials and easy diffusion

Inactive Publication Date: 2011-08-10
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the Guangdong area, the climate is relatively humid, and the temperature is relatively high all year round, which is easy to breed Aspergillus flavus, which brings great hidden dangers to food security.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Mix and dissolve 15 parts of cinnamaldehyde, 25 parts of citral, 35 parts of thymol, and 25 parts of salicylaldehyde in an airtight glass or stainless steel container to obtain a plant essential oil composition; take 50 parts of the composition to dissolve In 50 parts of edible alcohol, an essential oil solution containing 50% of the composition is obtained, and then when 6mL of 50% essential oil solution is put in per hectoliter according to the space volume, Aspergillus flavus can be killed.

Embodiment 2

[0020] Embodiment 2: the spice essential oil that will contain 15 parts of cinnamaldehyde, 15 parts of citral, 50 parts of thymol, 20 parts of salicylaldehyde is mixed uniformly in airtight glass or stainless steel container, obtains plant essential oil composition; When space concentration reaches At 50 ppm, the essential oil composition can completely kill Aspergillus flavus, while cinnamaldehyde, citral, thymol and salicylaldehyde cannot completely kill Aspergillus flavus when used alone.

Embodiment 3

[0021] Example 3: Mix and dissolve 9 parts of cinnamaldehyde, 23 parts of citral, 45 parts of thymol, and 23 parts of salicylaldehyde in an airtight glass or stainless steel container to obtain a plant essential oil composition; When the concentration reaches 32ppm, Aspergillus flavus can be completely killed, while when cinnamaldehyde, citral, thymol, and salicylaldehyde are used alone, the space concentration needs to reach 62.5ppm, 125 ppm, 125 ppm, and 125 ppm respectively to completely kill Aspergillus flavus .

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Abstract

The invention discloses a plant essential oil composition for fumigating and killing grain aspergillus flavus. The composition is prepared by utilizing plant or plant essential oil containing cinnamic aldehyde, citral, thymol and salicylaldehyde or by utilizing synthetic identical materials, wherein the parts by weight of the four components in the composition are respectively as follows: 5-20 parts of cinnamic aldehyde, 15-35 parts of citral, 35-60 parts of thymol and 10-35 parts of salicylaldehyde. The composition has the advantages that: the drawing materials are natural, safe and non-toxic; and the volatile essential oil components are easy to diffuse; and the gas of the volatile essential oil is used for fumigating and killing to ensure that the composition needs not be in direct contact with grains and only needs to be put at a corner of a warehouse or a closed container to play a role in efficiently killing the grain aspergillus flavus.

Description

technical field [0001] The invention relates to a plant essential oil composition for fumigation and killing grain aspergillus flavus, belonging to the technical field of food chemistry. Background technique [0002] "Food is paramount to the people." Food is the basic means of subsistence for the survival and development of human society, and an important material for stabilizing the market and ensuring the national economy and people's livelihood. Due to the seasonality of food production and the perennial nature of consumption, it plays a very important role in the national economy. In any social system, food work is in an extremely important position. For sudden food shortages, food reserves are an effective means to avoid food shortages. For the Guangdong area, the climate is relatively humid, and the temperature is relatively high all year round, which is prone to the growth of Aspergillus flavus, which poses a great hidden danger to food security. [0003] At prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/18A23B9/22
Inventor 吴克刚柴向华段雪娟
Owner GUANGDONG UNIV OF TECH
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