Method for preparing liquorice active substances

A technology of active substance and licorice root, applied in the field of preparation of licorice active substance, can solve the problems of low product purity, complicated and time-consuming steps and the like
CN103860631AInactive Publication Date: 2014-06-18内蒙古普凡生生物科技有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
内蒙古普凡生生物科技有限公司
Publication Date
2014-06-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for preparing liquorice active substances. The method comprises the following steps: pretreatment and hot water extraction treatment of raw materials and ultrasonic auxiliary extraction treatment, alcohol precipitation treatment, purification treatment, acid precipitation treatment, redissolution treatment, ammoniated treatment, acidification treatment, crystallization and purification of liquorice residues. The method can be used for fully utilizing liquorice source, and achieving the separation of different effective components during extraction to avoid the loss of other several active substances during single extraction; the production cost is low, the operation is simple, the production efficiency is high, and no environment pollution is produced; by utilizing the method, continuous production is achieved, and the products obtained according to the method have high quality; the method is easily popularized and utilized and provides a new approach for comprehensive utilization of liquorice; by utilizing the method, the comprehensive utilization value of liquorice is improved.
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Description

technical field

[0001] The invention relates to a comprehensive utilization technology of Chinese herbal medicines, in particular to a preparation method of licorice active substances. Background technique

[0002] Licorice (Glycyrrhizauralensis), also known as sweet grass root, red licorice, Guo Lao, sweet grass, sweet root seed, etc., is one of the traditional Chinese herbal medicines commonly used in my country. Licorice is flat and sweet in nature, and has the functions of invigorating the spleen and replenishing qi, clearing away heat and detoxifying, removing phlegm and relieving cough, relieving acute pain and reconciling various medicines, and has a very wide clinical application value. In my country, licorice is the most used herb among more than 2,000 kinds of herbs. At the same time, licorice is the best natural sweetener ever discovered. Licorice is widely distributed between 30-55° north latitude, and the arid and semi-arid areas around 40° north latitude are ...

Claims

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