Method for nondestructively detecting content of counterfeit ingredients in cordyceps sinensis powder/tablets
A non-destructive testing technology for Cordyceps sinensis powder, applied in the measurement of color/spectral characteristics, etc., can solve the problems of high testing cost, cumbersome operation, consumption of samples, etc., and achieve the effect of accurate results and low cost.
Inactive Publication Date: 2016-06-08
QINGDAO SPRING MEDICAL RESOURCE TECH UTILIZATION CO LTD
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[0009] The technical problem to be solved by the present invention is to propose a method for non-destructive detection of counterfeit content in Cordyceps sinensis powder, which solves the problems of cumbersome operation, high detection cost and the need to consume samples in the traditional detection method
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[0042] The invention proposes a method for non-destructive detection of counterfeit content in the Cordyceps sinensis powder / powder sheet, which solves the problems of cumbersome operation, high detection cost and the need to consume samples in the detection method in the traditional technology.
[0043] Taking the detection of counterfeit content in Cordyceps powder as an example (the mode of detecting the powder sheet is consistent with it, only the difference in the detection object), the method for non-destructive detection of counterfeit content in Cordyceps powder in the present invention is as follows figure 1 shown, which includes:
[0044] a. Select a sample of Cordyceps sinensis to prepare a pure powder sample of Cordyceps sinensis;
[0045]b. Select samples that are easily confused with pure powder of Cordyceps sinensis as counterfeit powder samples;
[0046] c. Mix the counterfeit product powder into the pure powder sample of Cordyceps sinensis in a certain propor...
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Abstract
The invention belongs to the herbal medicine identification field and discloses a method for nondestructively detecting the content of counterfeit ingredients in cordyceps sinensis powder / tablets, aiming at solving the problems that the traditional technology has complex detection method and high detection cost and requires sample consumption. The method comprises the steps of: a. preparing a cordyceps sinensis sample into a cordyceps sinensis pure powder sample; b. selecting a sample which can be easily confused with the cordyceps sinensis pure powder as a counterfeit powder sample; c. mixing the counterfeit powder into the cordyceps sinensis pure powder sample in a certain ratio; d. acquiring the hyperspectral information of a mixed sample and extracting relevant characteristics of the ingredients; e. establishing a PLSR prediction model of the mapping relation between the relevant characteristics of the ingredients in the sample and the type and the content of the counterfeit powder in the sample; f. acquiring the hyperspectral information of the cordyceps sinensis powder, processing the hyperspectral information and substituting into the PLSR prediction model while detecting the content of the counterfeit powder sample in the cordyceps sinensis powder; and g. detecting the type and the content of the counterfeit powder sample in the cordyceps sinensis powder according to the prediction output value of the PLSR prediction model.
Description
technical field [0001] The invention belongs to the field of medicinal material identification, and in particular relates to a method for non-destructive detection of counterfeit content in cordyceps sinensis powder / powder tablets. Background technique [0002] Cordyceps sinensis (Berkeley) Saccardo is an ascus fungus formed by parasitizing on the larvae of the genus Hepialus of the genus Cordyceps sinensis of the family Ergotaceae. The compound of the larvae corpse of the bat moth of the Lepidoptera Batmothidae insect has a sweet and flat nature, nourishes the lungs and kidneys, stops bleeding and resolves phlegm, and is used for chronic cough and dyspnea, hemoptysis due to fatigue, impotence and spermatorrhea, and sore waist and knees. It is a traditional medicine in my country. precious Chinese herbal medicines. [0003] The growth environment of Cordyceps sinensis is special, and it is mainly distributed in alpine meadows and alpine shrubs at an altitude of 3000-5000 mete...
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CPCG01N21/25
Inventor 张雪峰谭福元
Owner QINGDAO SPRING MEDICAL RESOURCE TECH UTILIZATION CO LTD