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Process for removing pesticide residues in ginseng plant extract

A technology of plant extracts and pesticide residues, applied in the field of removing pesticide residues in ginseng extracts, can solve the problems of difficult removal of stubborn pesticides, complicated extraction process, and inability to remove pesticide residues, so as to simplify the removal of pesticide residues The process and process are easy to operate and the effect of high retention rate

Pending Publication Date: 2020-10-09
陕西瑞沃生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although ginseng can remove some common organic pesticides after separation and purification, some high-residue stubborn pesticides are still difficult to remove
[0004] Common methods for removing pesticide residues in ginseng include using macroporous resins to absorb and remove pesticide residues using different molecular weights. Patent application CN104490966A provides a method for removing pesticide residues in ginseng stem and leaf extracts. Pore ​​resin adsorption purification to remove pesticide residues in ginseng stem and leaf extracts, however, the extraction process is complex and costly, and cannot remove pesticide residues in ginseng extracts

Method used

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  • Process for removing pesticide residues in ginseng plant extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a method for removing pesticide residues in ginseng extracts, comprising steps:

[0035] (1) Weigh 1000g of ginseng to be processed, crush the ginseng to be processed into particles with a particle size of about 8mm and put it into the extraction device, add ethanol with a volume fraction of 75% according to the ratio of solid to liquid 1:10, and stir at 40°C Extract for 2 hours, separate to obtain the first extract; add ethanol with a volume fraction of 75% to the above-mentioned extracted and separated slag according to the ratio of solid to liquid 1:10, stir and extract at 40-50°C for 1 hour, and separate to obtain the second extract; Add 2 times the amount of water to the slag after the second extraction, stir, extract and soak at 40°C for 1 hour, then combine the separated extract with the first extract and the second extract, and steam it at 50-55°C Heating at low temperature to recover ethanol, then concentrating the extract at 60-70°C to...

Embodiment 2

[0039] This embodiment provides a method for removing pesticide residues in ginseng extracts, comprising steps:

[0040] (1) Weigh 1000g of ginseng to be processed, crush the ginseng to be processed into particles with a particle size of about 7mm and put it into the extraction device, add ethanol with a volume fraction of 80% according to the ratio of solid to liquid 1:8, and stir at 50°C Extract for 2 hours, separate to obtain the first extract; add ethanol with a volume fraction of 80% to the slag after the aforementioned extraction and separation according to the solid-liquid ratio of 1:8, stir and extract at 50°C for 1 hour, and separate to obtain the second extract; After the second extraction, add 2 times the amount of water to the slag after the second extraction, stir, extract and soak for 1 hour at 45°C, then combine the separated extract with the first extract and the second extract, pass it into steam, and heat it at 50-55°C Heat to recover ethanol, then concentrat...

Embodiment 3

[0044] This embodiment provides a method for removing pesticide residues in ginseng extracts, comprising steps:

[0045] (1) Weigh 1000g of ginseng to be processed, crush the ginseng to be processed into particles with a particle size of about 9mm and put it into the extraction device, add ethanol with a volume fraction of 70% according to the ratio of solid to liquid 1:12, and stir at 45°C Extract for 2 hours, separate to obtain the first extract; add ethanol with a volume fraction of 70% to the slag after the aforementioned extraction and separation according to the solid-liquid ratio of 1:12, stir and extract at 45°C for 1 hour, and separate to obtain the second extract; Add 2 times the amount of water to the slag after the second extraction, stir, extract and soak for 1 hour at 50°C, then combine the separated extract with the first extract and the second extract, heat and recover ethanol at 50-55°C, Then concentrate the extract at 60-70°C to a concentrated solution with a...

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Abstract

The invention discloses a process for removing pesticide residues in a ginseng plant extract. The method comprises the following treatment steps: crushing to-be-treated ginseng, extracting the crushedto-be-treated ginseng with ethanol and / or water for 2-3 times, combining extracting solutions, concentrating the extracting solutions into an extract, adjusting the concentration of dry substances inthe extract, adding corn oil, stirring, extracting, carrying out oil-water separation, carrying out vacuum concentration, and carrying out vacuum drying so as to obtain the ginseng extract. By adopting the process disclosed by the invention, high-residue stubborn pesticides can be removed, the pesticide residues are thoroughly removed, and the ginsenoside retention rate is high; moreover, the process flow of removing the pesticide residues is simple, the existing process of removing the pesticide residues from the ginseng extract is simplified, the solvent can be recycled, and the cost of removing the pesticide residues from the ginseng is greatly reduced.

Description

technical field [0001] The invention relates to a process for removing pesticide residues in ginseng extracts. Background technique [0002] Common ginseng in Chinese herbal medicines include ginseng, sophora flavescens, codonopsis, scrophulariae, salvia miltiorrhiza, American ginseng, sand ginseng and heterophylla. Among them, ginseng is a relatively valuable Chinese medicinal material. Functions such as invigorating the spleen, benefiting the lung, and calming the nerves. Ginseng extract is extracted and refined from the roots, stems and leaves of ginseng, which is rich in various ginseng monomer saponins. Ginsenosides have been proved by research to have the effects of lowering blood sugar, anti-aging, anti-tumor, anti-radiation, improving memory and protecting the nervous system, and are an important class of physiologically active substances. [0003] Ginseng is a slow-growing perennial plant with a long growth cycle, and it takes 4-6 years from sowing to harvesting. ...

Claims

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Application Information

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IPC IPC(8): A61K36/344A61K36/537A61K36/342A61K36/34A61K36/23
CPCA61K36/258A61K36/344A61K36/537A61K36/342A61K36/34A61K36/23A61K2236/333A61K2236/331A61K2236/39A61K2236/35A61K2236/51
Inventor 史锋
Owner 陕西瑞沃生物科技有限公司