BIOLOGICAL COMPOSITION FOR DEGRADING PLANT PESTICIDE RESIDUES AND THE APPLICATION THEREOF
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Jun 25, 2020
app pub date -
Dec 11, 2019
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Dec 21, 2018
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A method for preparing a biological composition for degrading plant pesticide residues includes: (1) preparing a mixture of a dried coconut shell powder having a water content of less than 3 wt % and a particle diameter of not more than 2 mm and a dried licorice powder having a water content of less than 1 wt % and a particle diameter of not more than 2 mm; (2) hydrolyzing the mixture in a cellulase buffer at pH 4.5 to 5.5 for at least 36 hours, and filtering the mixture to obtain an enzymatic hydrolysate; and (3) adding the enzymatic hydrolysate to a bacteria mixture of yeast and lactic acid bacteria and fermenting at 30° C. to 35° C. for 7-10 days, and centrifuging and lyophilizing to obtain the biological composition.
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