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A kind of preparation method of mountain green tea extract

A technology of camellia green tea and its extract, which is applied in the field of camellia green tea extract and its preparation, can solve the problems of complex operation methods, inconspicuous drug effect, and low extract content, and achieve high content, obvious drug effect, and simple operation Effect

Active Publication Date: 2016-06-29
广西万寿堂药业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide a preparation method of camellia extract, which solves the existing problems of low content of camellia extract, inconspicuous drug effect, complicated operation method, etc.

Method used

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  • A kind of preparation method of mountain green tea extract

Examples

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Comparison scheme
Effect test

Embodiment 1

[0019] The technical scheme of the present embodiment 1 is, a kind of preparation method of Camellia japonica extract, comprises the following steps:

[0020] (1) Take 25kg of mountain green tea, chop or crush it into a coarse powder, add drinking water to extract twice, add 300L drinking water for decoction for the first time to extract, put in 200L drinking water for decoction for the second time, let it cool Filter, combine the extracts obtained twice, concentrate until the ratio of medicinal liquid to medicinal material is 1:1, keep the temperature of the concentrated liquid at 50-70°C, add hydrochloric acid to adjust the pH value to 2.0-3.0, heat on a water bath, and stir , to generate sticky lumps, the solution becomes clear, cross 60 mesh sieves, and obtain filtrate 1;

[0021] (2) Take the mass in (1), add hydrochloric acid with a pH value of 2.0 to treat repeatedly, take the acidic solution obtained after treatment, mix it with the filtrate 1, adjust the pH value to 4...

Embodiment 2

[0025] The technical scheme of the present embodiment 2 is, a kind of preparation method of Camellia japonica extract, comprises the following steps:

[0026] (1) Take 30kg of mountain green tea, chop or pulverize it into a coarse powder, add drinking water to extract twice, add 300L drinking water for decoction for the first time and decoct for the second time, decoct in 240L drinking water for the second time, let it cool Filter, combine the extracts obtained twice, concentrate until the ratio of medicinal liquid to medicinal material is 1:1, keep the temperature of the concentrated liquid at 50-70°C, add hydrochloric acid to adjust the pH value to 3.0-4.0, heat on a water bath, and stir , to generate sticky lumps, the solution becomes clear, and crosses 80 mesh sieves to obtain filtrate 1;

[0027] (2) Take the mass in (1), add hydrochloric acid with a pH value of 3.0 to treat repeatedly, take the acidic solution obtained after treatment, mix it with the filtrate 1, adjust ...

Embodiment 3

[0031] The technical solution of the present embodiment is a method for preparing camellia extract, comprising the following steps:

[0032] (1) Take 20kg of mountain green tea, chop or crush it into a coarse powder, add drinking water to extract twice, add 240L drinking water for the first time to decoct and extract, and add 200L drinking water to decoct for the second time, let it cool Filter, combine the extracts obtained twice, concentrate until the ratio of medicinal liquid to medicinal material is 1:1, keep the temperature of the concentrated liquid at 50-70°C, add hydrochloric acid to adjust the pH value to 2.0-3.0, heat on a water bath, and stir , to generate sticky lumps, the solution becomes clear, and cross a 40-mesh sieve to obtain filtrate 1;

[0033] (2) Take the filtrate 1, adjust the pH value to 4.0 with hydrochloric acid, then concentrate the filtrate 1 to 1:0.2, let the concentrated solution stand at 2°C for 5-7 days, take it out and filter, take the filter r...

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Abstract

The invention discloses a method for preparing a hainan holly leaf extract. The method comprises the following steps: chopping or crushing hainan holly leaf into coarse powder; adding drinking water to extract repeatedly, filtering, mixing the extracting liquids, concentrating to a certain ratio, regulating the pH value with hydrochloric acid, and repeatedly extracting with an organic solvent to obtain the hainan holly leaf extract. The hainan holly leaf extract is high in effective component content, has the functions of clearing heat and removing toxicity, diminishing swelling and relieving pain, and activating blood circulation to dredge vessels, has a remarkable effect in treatment of hypertension and symptoms caused by hypertension, and is long in duration; the method is simple in operation, and cost can be saved.

Description

technical field [0001] The invention relates to the extraction technology of Chinese herbal medicine, in particular to a camellia tea extract and a preparation method thereof. Background technique [0002] Mountain green tea is the leaf of the holly plant mountain green tea. Mountain green tea is mainly distributed in Guangxi and Guangdong. Mountain green tea is a folk Chinese herbal medicine of ethnic minorities in Guangxi and has a long history of use. Mountain green tea has the effects of clearing away heat and detoxification, reducing swelling and relieving pain, and promoting blood circulation. It is mainly used for lowering blood pressure, lowering blood fat, lowering cholesterol, hemiplegia caused by coronary heart disease and cerebrovascular accident, as well as anemopyretic cold, lung heat cough, throat edema, tonsillitis, dysentery and other diseases. According to "Xinhua Compendium of Materia Medica": "Mountain green tea, also known as Hainan holly, is cold in n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K36/82A61P9/12A61K127/00A61K135/00
Inventor 潘保强黄小珊韦莉萍毛金玲
Owner 广西万寿堂药业有限公司