Dandelion and herba violae extracting solution and preparation method thereof

Abstract

The invention provides a dandelion and herba violae extracting solution and a preparation method thereof. The method includes the steps of cleaning, drying and crushing dandelion and herba violae to obtain dandelion particles and herba violae particles; mixing the dandelion particles and the herba violae particles with first purified water to obtain a first mixed solution; heating and warming thefirst mixed solution and filtering to obtain a first filtrate and a first filter residue; mixing the first filter residue and second purified water to obtain a second mixed solution; heating and warming the second mixed solution and filtering to obtain a second filtrate; mixing the first filtrate and the second filtrate to obtain a water extract; conducting vacuum concentration on the water extract to obtain a concentrated solution; adding ethanol to the concentrated solution, standing, filtering to remove the ethanol and then adding the ethanol to carry out alcohol precipitation to obtain thedandelion and herba violae extracting solution. The method has the advantages of being capable of effectively extracting effective ingredients in the dandelion and the herba violae, simple in preparation process, high in efficiency and low in cost.

Description

technical field [0001] The invention relates to the field of biopharmaceuticals, in particular to a Shuangding extract and a preparation method thereof. Background technique [0002] The main components of Shuangding Injection include Dandelion and Viola Diding, which have the functions of clearing away heat and detoxifying, eliminating carbuncle and dispelling stagnation, and mainly treating clinical mastitis in dairy cows. Mastitis is a common disease in dairy cows. According to reports, the incidence of mastitis in dairy cows in my country accounts for about 23% every year, which has a great impact on milk production and will cause serious losses to cattle farmers. [0003] Because most of the active ingredients of Chinese herbal medicine are located in the plant cells, during the preparation of the Chinese herbal medicine extract, the cell wall of the plant will affect the extraction of the active ingredients. In the existing Shuangding extract preparation process, the...

AI Technical Summary

Problems solved by technology

In the existing Shuangding extract preparation process, there is usually a loss of some active ingredients