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US 8,999,719 B2Granted
Quality control marker and its use in herbs authentication
AssigneeHong Kong Baptist University
InventorsQuanbin Han, Hubiao Chen, Jun Xu
Life of this patent
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Abstract
The present invention relates to a quality control marker and method of using such marker in qualitative and quantitative authentication of Dendrobium officinale Kimura et Migo, which is known as a Chinese medicine under the name of Tiepi Shihu ().
Claims17
A method for authenticating a sample of herbal material from the Dendrobium species, comprising:
- a. providing a chemical fingerprint of the carbohydrates in the sample based on molecular weight distribution;
- b. identifying one or more dominant polysaccharide components of the carbohydrates in the sample, the sample having an amount of polysaccharides, where the one or more dominant polysaccharide components are the one or more components of the sample having the most of said amount of polysaccharides in said sample;
- c. separating the one or more dominant polysaccharide components;
- and
- d. authenticating said sample of herbal material using the separated one or more dominant polysaccharide components.
2 more elements
A method of preparing a chemical marker for use in qualitative and quantitative authentication of a sample of a herbal material from the Dendrobium species, comprising:
- a. providing a chemical fingerprint of the carbohydrates in the sample based on molecular weight distribution;
- b. identifying one or more dominant polysaccharide components of the carbohydrates in the sample, the sample having an amount of polysaccharides, where the one or more dominant polysaccharide components are the one or more components of the sample having the most of said amount of polysaccharides in said sample;
- c. separating the one or more dominant polysaccharide components to form one or more separated dominant polysaccharide components;
- and
- d. analysing the separated dominant polysaccharide components as the chemical marker for use in qualitative and quantitative authentication of said sample.
2 more elements
Dependencies are inferred from the claim text.