Method for preparing 6-gingerol and 8-gingerol from ginger

A technology of gingerol and ginger, which is applied in the field of natural active product preparation, can solve the problems of less preparation amount, lower yield, and low product yield, and achieve low requirements for instruments and equipment, avoid solvent extraction, and high product yield Effect
CN100595183CInactive Publication Date: 2010-03-24NO 411 HOSPITAL OF PLA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NO 411 HOSPITAL OF PLA
Publication Date
2010-03-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for preparing 6- gingerol and 8- gingerol with fresh ginger. It is characterized in that it compries following steps: cutting fresh ginger into sheets, drying at lowtemperature, disintegrating, sifting with screen of 100 order, heating and refluxing and extracting with acetic ester or acetone, or extracting through immersion, extracting for three times, combiningextract liquid, decompressing and recovering solvent, getting extract concretem dissloving it with acetic ester, treating it with chromatographic silica gel and washing it with benzinum purificatum acetic ester with gradient solvent, checking washing process by using TLC, decompressing to recover solvent and getting coarse 6- gingerol and 8- gingerol; washing coarse product with chloroform- carbinol solvent in Sephadex LH20 gel column, checking washing process with TLC, and getting washung liquid containing 6- gingerol and 8- gingerol with higher purity, decompressing to recover solvent and getting pure 6- gingerol and 8- gingerol, checking content with HPLC. The invention is characterized by simple operation, high productivity and production of two kinds of product at the same time.
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Description

technical field

[0001] The invention relates to a method for preparing 6-gingerol and 8-gingerol from ginger, in particular to a method for extracting, separating and purifying 6-gingerol and 8-gingerol from ginger, which belongs to natural active products Preparation method technical field. Background technique

[0002] Ginger is a common food that is indispensable in daily life, and it is also an important traditional Chinese medicine in traditional Chinese medicine. Medicinal ginger is the fresh rhizome of ginger, that is, fresh ginger, which is pungent in taste and slightly warm in nature, and belongs to the lung, spleen and stomach meridians. Dispelling the exterior and dispelling cold, warming the middle to stop vomiting, resolving phlegm and relieving cough. Indications for anemofrigid cold, stomach cold vomiting, cough due to cold phlegm. Modern studies have found that ginger has many biological activities such as improving the activity of digestive enzymes, prote...

Claims

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