Medicinal use of radix rehmanniae total glucosides extractive and preparing method thereof

An extraction method and extract technology, applied in the field of medicine, can solve the problems of reducing the morbidity and mortality of asthma, lack of effective means for asthma, etc.
CN101015622AInactive Publication Date: 2007-08-15罗河生
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
罗河生
Publication Date
2007-08-15
Estimated Expiration
Not applicable · inactive patent
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Abstract

The invention relates to the application of title total saponins of Rehmannia glutinosa in preparing medicinal composition for treating and preventing asthma and allergic diseases. The title total saponins of Rehmannia glutinosa have anti-inflammatory and anti-allergic effect with low toxicity and adverse effect. The invention also discloses the method for preparing title total saponins of Rehmannia glutinosa. The method comprises subjecting the aqueous solution of Rehmannia glutinosa extract to active carbon adsorption, washing with water or organic solvent with low concentration to remove sugar and other impurity, eluting with organic solvent with high concentration, collecting eluate, and concentrating till dry.
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Description

technical field

[0001] The invention relates to the field of medicine, and relates to the medical application of total rehmannia glycosides extract for effectively preventing and treating asthma and allergic diseases. The invention is particularly suitable for the treatment and prevention of asthma. It can also be used to treat and prevent allergic rhinitis and allergic skin diseases. Background technique

[0002] Bronchial asthma is the most common chronic respiratory disease in the world. It is conservatively estimated that at least 100 million people in the world suffer from asthma. In recent years, its prevalence and mortality have been on the rise. Asthma has become a serious public health problem and has received great attention from all over the world. Therefore, there is a need to provide drugs and methods for effectively treating asthma.

[0003] In the past thirty years, a lot of development and research work has been carried out on drugs for the treatment of as...

Claims

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