Treatment method for reducing loss rate of active ingredients in traditional Chinese medicinal material pesticide residue cleaning

A technology of active ingredients and treatment methods, which is applied in the treatment field of reducing the loss rate of active ingredients in the cleaning of pesticide residues in Chinese medicinal materials, can solve the problems of increasing the loss rate of active ingredients, and achieves lower adsorption, better adsorption selectivity, and lower loss rate. Effect

Inactive Publication Date: 2020-11-06
安徽冯了性中药材饮片有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the adsorption material removes the residual pesticides, it will also adsorb the active ingredients of the medicinal materials, which will lead to an increase in the loss rate of the active ingredients during the cleaning process of the medicinal materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of processing method that reduces the active ingredient loss rate in the cleaning of pesticide residues in Chinese herbal medicines, concrete method is as follows:

[0016] 1) Weigh an appropriate amount of zeolite molecular sieve, absorb it with deionized water, dry it in an oven at 100°C for 2 hours, and prepare calcium chloride and barium chloride solutions with a concentration of 0.2mol / L and 0.5mol / L respectively, according to a Mix well at a volume ratio of 2:1, then add dried zeolite molecular sieves, place it in a constant temperature water bath, stir continuously at 90°C and 100r / min for 2h, filter, wash, and dry the product to obtain the primary exchange product , repeating the above operation process, and repeating the exchange treatment 3 times to obtain a pretreated zeolite molecular sieve;

[0017] 2) According to the mass volume ratio of 1.0g:1g:10mL, weigh urea and polyethylene glycol into a container, add acetic acid solution with a concentration...

Embodiment 2

[0032] A kind of processing method that reduces the active ingredient loss rate in the cleaning of pesticide residues in Chinese herbal medicines, concrete method is as follows:

[0033] 1) Weigh an appropriate amount of zeolite molecular sieve, absorb it with deionized water, dry it in an oven at 105°C for 2.5 hours, and prepare calcium chloride and barium chloride solutions with concentrations of 0.3mol / L and 0.7mol / L respectively, according to A volume ratio of 2.5:1 and mix well, then add dried zeolite molecular sieves, place it in a constant temperature water bath, stir continuously at 92°C and 130r / min for 2.5h, filter, wash and dry the product to obtain the first Exchange the product, repeat the above operation process, repeat the exchange treatment 3 times, and obtain the pretreated zeolite molecular sieve;

[0034] 2) According to the mass volume ratio of 1.1g:1g:12mL, weigh urea and polyethylene glycol into a container, add acetic acid solution with a concentration o...

Embodiment 3

[0049] A kind of processing method that reduces the active ingredient loss rate in the cleaning of pesticide residues in Chinese herbal medicines, concrete method is as follows:

[0050] 1) Weigh an appropriate amount of zeolite molecular sieve, absorb it with deionized water, dry it in an oven at 110°C for 3 hours, and prepare calcium chloride and barium chloride solutions with a concentration of 0.5mol / L and 1.0mol / L respectively, according to a Mix well at a volume ratio of 3:1, then add dried zeolite molecular sieves, place it in a constant temperature water bath, stir continuously at 95°C and 150r / min for 3 hours, filter, wash, and dry the product to obtain the primary exchange product , repeating the above operation process, and repeating the exchange treatment 4 times to obtain a pretreated zeolite molecular sieve;

[0051]2) According to the mass volume ratio of 1.2g:1g:13mL, weigh urea and polyethylene glycol into a container, add acetic acid solution with a concentra...

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PUM

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Abstract

The invention discloses a treatment method for reducing the loss rate of active ingredients in traditional Chinese medicinal material pesticide residue cleaning, and relates to the technical field ofmedicinal material treatment. The treatment method comprises the following steps that 1) a zeolite molecular sieve is pretreated; 2) the pretreated zeolite molecular sieve is modified; 3) surface chemical modification is performed on the modified zeolite molecular sieve; and 4) after the traditional Chinese medicinal materials are cleaned and diced, the diced traditional Chinese medicinal materials are added into a mixed solution composed of acetone and ethyl acetate, the ureido-modified zeolite molecular sieve is added, ultrasonic cleaning is carried out, after precipitating is conducted, suction filtration is carried out on the supernatant, the decoction dregs are washed with clear water, the suction filtration is repeatedly carried out for 2-3 times, and drying is conducted. According to the treatment method, the zeolite molecular sieve is subjected to modification treatment, so that the zeolite molecular sieve has better adsorption selectivity on polar organic chloride and the likein pesticide residues, and the adsorption of active ingredients of traditional Chinese medicines is reduced, thereby reducing the loss rate of effective ingredients in the medicinal material cleaningprocess.

Description

technical field [0001] The invention belongs to the technical field of medicinal material treatment, and in particular relates to a treatment method for reducing the loss rate of active components in the cleaning of pesticide residues in traditional Chinese medicinal materials. Background technique [0002] Traditional Chinese medicine is a precious cultural heritage of our country, and it is a magic weapon for the Chinese nation to prevent and treat diseases, restore health care, and reproduce. In recent years, the demand for natural medicines around the world has been increasing. Under the premise of the world's green consumption trends, food safety, and excessive crop residues, people are paying special attention to green medicines. Now, the world's annual trade volume of traditional Chinese medicine has reached 40 billion U.S. dollars, and it is growing at a rate of 10% every year. Recently, my country's traditional Chinese medicine export volume is about 600 million U.S...

Claims

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Application Information

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IPC IPC(8): B08B3/08B08B13/00C01B39/02B01J20/22B01J20/30C02F1/28C02F101/30C02F101/36
CPCB01J20/186B01J20/22B08B3/08B08B13/00C01B39/026C02F1/288C02F2101/306C02F2101/36
Inventor 李红光吴勇张玉侠姜智
Owner 安徽冯了性中药材饮片有限公司
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