Mahonia bealei extract, and preparation method and application thereof to resistance of tobacco black shank
A technology of broad-leaved top ten merits and extracts, applied in botanical equipment and methods, chemicals for biological control, applications, etc., to achieve the effects of reducing soil pesticide residues, simple process flow, and easy extraction and production
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[0031] A kind of broad-leaved top ten merits extract of the present invention, the broad-leaved ten majors merits extract uses broad-leaved ten majors merits as extraction raw material, uses ethanol solution as extraction solvent, after at least two times of heating alcohol extraction, alcohol extraction solution It was prepared after concentration under reduced pressure.
[0032] The preparation method of the broad-leaved ten major meritorious service extracts in the present embodiment specifically comprises the following steps:
[0033] (1) First, crush the broad-leaved top ten fruits, pass through a 200-mesh sieve, weigh 100.00g of broad-leaved top ten fruits as raw materials, pour them into a round bottle with electric heating mantle, and then add 1000ml of 75% ethanol solution into the electric heating mantle in a round bottle;
[0034] (2) Turn on the heating device (electric heating mantle) to heat the electric heating mantle round bottle, control the heating temperatu...
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