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Process method for extracting high-content dihydromyricetin from ampelopsis grossedentata

A technology of viper dentata and dihydromyricetin, applied in the direction of organic chemistry, can solve the problems of cumbersome extraction process and low extraction rate of dihydromyricetin, achieve crystal shape protection, simple process method, and reduce environmental pollution Effect

Inactive Publication Date: 2013-01-16
CHANGSHA SHENGKAI BIOLOGICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the extraction process of existing dihydromyricetin is loaded down with trivial details at present, and extraction rate is low

Method used

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Embodiment Construction

[0021] The technical scheme of the present invention will be further described below through specific embodiments:

[0022] The invention provides a process method for extracting high-content dihydromyricetin from Serpentis dentata grape, which uses Serpentis dentata grape as raw material, including extraction, concentration, cooling crystallization, solvent dissolution and removal of impurities, and decolorization , reconcentration, crystallization, recrystallization, vacuum drying and other steps.

[0023] Specific steps are as follows:

[0024] S1. Extraction: Put 500Kg of Snakedon grape into an extraction tank after pulverizing to 20 meshes, extract 3 times with deionized water at 90°C, add 2500Kg of deionized water each time, and the extraction time is 1h, 1h, 1h, the filter residue after each filtration enters the next extraction;

[0025] S2. Concentration: Concentrate the 3 times of the extract of Snake-toothed Grapes to 0.5 times the weight of the raw material, i.e....

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Abstract

The invention discloses a process method for extracting high-content dihydromyricetin from ampelopsis grossedentata. The process method utilizing the ampelopsis grossedentata as a raw material includes steps of dried ampelopsis grossedentata extraction, concentration, cooling and crystallizing, solvent dissolving and impurity removal, decoloration, secondary concentration, crystallizing, recrystallizing, vacuum drying and the like and is convenient to operate and high in extraction rate.

Description

technical field [0001] The present invention relates to the active ingredient and the extracting process of the Serpentis dentata grape, in particular to a process for extracting high-content dihydromyricetin from the Serpentis dentatus grape. Background technique [0002] Snake-toothed snake grape, also known as vine tea and Maoyan berry tea, is a wild woody vine, the main active ingredient of which is dihydromyricetin. Dihydromyricetin has a variety of unique effects such as scavenging free radicals, anti-oxidation, antithrombotic, anti-tumor, anti-inflammatory; and dihydromyricetin is a special kind of flavonoid compound, which is effective in relieving alcohol poisoning, preventing alcoholic liver, fat Liver, inhibiting the deterioration of liver cells, reducing the incidence of liver cancer, antihypertensive, inhibiting platelet aggregation in vitro and thrombus formation in vivo, lowering blood lipid and blood sugar levels, increasing superoxide dismutase activity, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D311/32C07D311/40
Inventor 刘盛开尹婷
Owner CHANGSHA SHENGKAI BIOLOGICAL TECH
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