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Method for detecting total matrine residual quantity in honey

A detection method, the technology of matrine, which is applied in the field of analytical chemistry, can solve the problems of inapplicability of the detection method of pesticide residues, and achieve the effect of short concentration time and simple method

Pending Publication Date: 2022-04-12
ANHUI MIZHIYUAN FOOD GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional detection methods for pesticide residues in honey are obviously not applicable
And there are few literature reports on the detection method of the residual amount of matrine in honey, therefore, how to establish a method for fast and accurate detection of the total residual amount of matrine in honey is imminent

Method used

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  • Method for detecting total matrine residual quantity in honey
  • Method for detecting total matrine residual quantity in honey
  • Method for detecting total matrine residual quantity in honey

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1: Determination of Matrine Residual Amount in Fennel Honey

[0045] (1) Sample pretreatment: Weigh 2g of honey sample into a 50ml glass centrifuge bottle, heat at 190°C for 30min, cool to room temperature after heating, add 10ml of total matrine extract 1TMT- E1, mix gently until the honey sample is dissolved, transfer the dissolved mixed solution into a 50ml plastic centrifuge bottle, then rinse the wall of the glass centrifuge bottle with 3ml total matrine extract 1TMT-E1, and combine the washing liquid into a 50ml plastic centrifuge bottle middle;

[0046] (2) Purification of the sample: Add 15mL of total matrine extract 2TMT-E2 to the plastic centrifuge bottle in step (1), fully oscillate and extract for 1-2min, then add 10g of anhydrous sodium sulfate, fully oscillate to extract 1-2min After shaking, put it in a centrifuge at 4500r.p.m and centrifuge for 5 minutes. After centrifugation, let it stand in layers and suck out the upper layer liquid, put it in...

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Abstract

The invention discloses a method for detecting the residual quantity of total matrine in honey. The method comprises the following steps: pre-treating a sample, purifying the sample, and preparing and detecting a matrix calibration solution. The sample is alkalized by adopting ammonia water, so that the sample can be well purified, the sample concentration time is short, and the method is simple, convenient and rapid; the detection method can well meet the requirement of daily quality monitoring of the total matrine (matrine and oxymatrine) residual quantity in the honey.

Description

[technical field] [0001] The invention belongs to the technical field of analytical chemistry, in particular to a method for detecting the residual amount of total matrine in honey. [Background technique] [0002] Matrine is also called matrine, flavescens insecticide, etc., and its common name in English is matrine. As an important biopesticide, it has become a product supported by national policies. It is made from the roots, stems, leaves and fruits of the Chinese herbal plant Sophora flavescens through ethanol and other organic solvents. Its main components are matrine, oxymatrine and other alkaloids. The pure product is white powder, non-mutagenic, non-embryotoxic, non-teratogenic, and weakly accumulative. Matrine is a broad-spectrum and high-efficiency plant insecticide. Pests can paralyze the nerve center after exposure to the pesticide, and the protein coagulates to block the stomata and suffocate to death; at the same time, it can be compounded with commonly used ...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N30/06G01N30/72
Inventor 李加芬叶繁盛
Owner ANHUI MIZHIYUAN FOOD GRP
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