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
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[0032] A preparation method of a quality indicator for liquid nutritional supplements comprises the steps of dissolving triphenyltetrazolium chloride in a solvent, adding polyvinylpyrrolidone, mixing thoroughly and then drying.
[0033] In some examples of the preparation method, the mass ratio of triphenyltetrazolium chloride to polyvinylpyrrolidone is (1-3):(1-50).
[0034] In some examples of preparation methods, the mass ratio of triphenyltetrazolium chloride to polyvinylpyrrolidone is (1-3):(1-12).
[0035] In some examples of preparation methods, the solvent is absolute ethanol.
[0036] A third aspect of the present invention provides:
[0037] A liquid nutrient, wherein the quality indicator of the first aspect of the present invention is added; or the quality indicator prepared according to the preparation method of the second aspect of the present invention.
[0038] In some examples of liquid nutrition, the mass addition amount of the quality indicator is 0.001%-0...
Embodiment 1
[0048] 0.005%, 0.01%, 0.02%, and 0.03% of TTC were added, respectively.
Embodiment 2
[0050] Add quality indicators respectively, so that the final liquid feed contains 0.1% polyvinylpyrrolidone and 0.005%, 0.01%, 0.02%, 0.03% TTC.
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