Special indicator for quality of artificial liquid nutrition feed for natural enemy insects

An indicator and nutritional agent technology, applied in the field of quality indicators, can solve the problems of not reflecting the actual situation well, being easily diluted and covered, self-hydrolysis color development, etc., to achieve product quality, not easy to spread, and stable properties Effect

Inactive Publication Date: 2019-11-19
广州悦蜂生物防治科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, TTC is particularly sensitive to light and heat. During the pasteurization process, it is prone to self-hydrolysis and color development, which hinders its use as an indicator when added to nutritional feed.
In addition, th

Method used

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  • Special indicator for quality of artificial liquid nutrition feed for natural enemy insects
  • Special indicator for quality of artificial liquid nutrition feed for natural enemy insects
  • Special indicator for quality of artificial liquid nutrition feed for natural enemy insects

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0032] A preparation method of a quality indicator for a liquid nutrient comprises dissolving triphenyltetrazolium chloride in a solvent, then adding polyvinylpyrrolidone, fully mixing and drying.

[0033] In some examples of the preparation method, the mass ratio of triphenyltetrazolium chloride to polyvinylpyrrolidone is (1 to 3): (1 to 50).

[0034] In some examples of the preparation method, the mass ratio of triphenyltetrazolium chloride to polyvinylpyrrolidone is (1 to 3): (1 to 12).

[0035] In some examples of preparation methods, the solvent is absolute ethanol.

[0036] The third aspect of the present invention provides:

[0037] A liquid nutrient containing the quality indicator of the first aspect of the present invention; or the quality indicator prepared according to the preparation method of the second aspect of the present invention.

[0038] In some examples of liquid nutrients, the added mass of the quality indicator is 0.001% to 0.1%. The specific addition amount can ...

Example Embodiment

[0047] Example 1:

[0048] Add 0.005%, 0.01%, 0.02%, 0.03% TTC respectively.

Example Embodiment

[0049] Example 2:

[0050] The quality indicator is added to make the final liquid feed contain 0.1% polyvinylpyrrolidone and 0.005%, 0.01%, 0.02%, and 0.03% TTC.

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Abstract

The invention discloses a special indicator for the quality of an artificial liquid nutrition feed for natural enemy insects, wherein the indicator is composed of triphenyltetrazolium chloride and polyvinylpyrrolidone. The indicator provided by some embodiments of the invention has relatively stable properties and can withstand the temperature of pasteurization. The indicator has a good stabilityin liquid nutritional agents, especially in the insect artificial liquid feed, can show color only under the action of dehydrogenase, and can well indicate the quality of products.

Description

technical field [0001] The invention relates to a quality indicator for liquid nutrition. Background technique [0002] In the fields of insects, liquid nutrients and other liquid nutrients are often used. These liquid nutrients are rich in nutrients and are natural culture media for microorganisms, which are very conducive to the growth and reproduction of microorganisms. The addition of antibacterial agents The amount is limited by the specific application and cannot be added too much. [0003] For example, the development of chemical pesticides has accompanied the rise of agriculture, and the increase in the output of agricultural products has met the growing market demand. However, with the advancement of technology and the development of society, food safety has received more and more attention. The problem of chemical pesticide residues has led people to turn to biological control. Using the natural enemies of pests to control pests can not only avoid the resistance o...

Claims

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Application Information

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IPC IPC(8): A23K20/116A23K20/132A23K50/90
CPCA23K20/116A23K20/132A23K50/90
Inventor 卢新
Owner 广州悦蜂生物防治科技有限公司
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