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Building method of exocarpium volatile component fingerprint spectrum and identification method of exocarpium types

A technology of volatile components and fingerprints, which is applied in the field of construction of fingerprints of Chinese herbal medicines, can solve the problems of high subjectivity, lack of systematic, scientific and effective identification methods, and achieve high accuracy

Inactive Publication Date: 2019-01-01
GUANGDONG FOOD & DRUG VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, it is necessary to rely on the appearance identification judgment of the above-mentioned types of tangerine red, but there is a large subjectivity and lack of systematic, scientific and effective identification methods; provide a method for constructing the fingerprint of volatile components of tangerine red and the method of hua tangerine Kind of identification method

Method used

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  • Building method of exocarpium volatile component fingerprint spectrum and identification method of exocarpium types
  • Building method of exocarpium volatile component fingerprint spectrum and identification method of exocarpium types
  • Building method of exocarpium volatile component fingerprint spectrum and identification method of exocarpium types

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Example 1: The construction method of the fingerprint spectrum of the volatile components of positive hairy orange red

[0043] 1 Instruments and reagents

[0044] 1.1 Instrument

[0045] Shimadzu GCMS-QP2010 Ultra gas chromatography-mass spectrometry instrument, RTX-1 MS (30m×0.25mm, 0.25μm) quartz capillary column.

[0046] 1.2 Reagent

[0047] Batches of 10 batches of orange red

[0048] 2 Methods and results

[0049] 2.1 Preparation of the test product

[0050] Precisely weigh an appropriate amount of sample, such as 0.50g, grind the sample into powder, place it in a special solid-phase microextraction bottle, and seal it; heat the sample at 80°C for 30 minutes; After the temperature of the sample in the extraction bottle is constant, insert the solid phase microextraction head (50 / 30um, DVB / CAR / PDMS, Stableflex solid phase microextraction head) into the solid phase microextraction bottle, the adsorption temperature is 80°C, and the adsorption time is 30min .

...

Embodiment 2

[0058] Embodiment two: the construction method of the fingerprint of the volatile components of the orange red of vice hair

[0059] 1.1 Instrument

[0060] Shimadzu GCMS-QP2010 Ultra gas chromatography-mass spectrometry instrument, RTX-1 MS (30m×0.25mm, 0.25μm) quartz capillary column.

[0061] 1.2 Reagent

[0062] Batches of 10 batches of orange red

[0063] 2 Methods and results

[0064] Using the same construction method as in Example 1 to construct the standard fingerprint of the vice-haired orange red, the results can be found in figure 2 .

Embodiment 3

[0065] Example 3: The construction method of the fingerprint of the volatile components of hairless orange red

[0066] 1.1 Instrument

[0067] Shimadzu GCMS-QP2010 Ultra gas chromatography-mass spectrometry instrument, RTX-1 MS (30m×0.25mm, 0.25μm) quartz capillary column.

[0068] 1.2 Reagent

[0069] Batches of Hairless Orange Red 10

[0070] 2 Methods and results

[0071] Using the same construction method as in Example 1 to construct the standard fingerprint of hairless orange-red, the results can be found in image 3 .

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Abstract

The invention relates to a building method of an exocarpium volatile component fingerprint spectrum. The building method of the exocarpium volatile component fingerprint spectrum comprises the following steps: (1) preparing test samples by precisely weighing exocarpium samples and extracting a volatile component by using a solid-phase microextraction method; and (2) measuring the fingerprint spectrum by inserting a solid-phase microextraction head adsorbed with the volatile component into a gas chromatograph-mass spectrometer and measuring to obtain the fingerprint spectrum of the exocarpium volatile component. The invention also provides an identification method of exocarpium types. The method is used for comparing the volatile component fingerprint spectrum of exocarpium to be identifiedwith volatile component fingerprint spectrums of various types of exocarpium to judge the types of the exocarpium. The method is capable of simply, rapidly, systematically, accurately and objectivelyidentifying the types of the exocarpium.

Description

technical field [0001] The invention relates to a method for constructing fingerprints of traditional Chinese medicinal materials, in particular to a method for constructing fingerprints of volatile components of huajuhong and a method for using fingerprints to identify huajuhong species. Background technique [0002] Huajuhong, that is, Huazhou Juhong, is the immature or nearly mature dry outer peel of the Rutaceae plant Huazhou pomelo or pomelo. The former is commonly known as "Mao Juhong", while the latter is commonly known as "Light Seven Claws" and "Light Five Claws". It is harvested in summer when the fruit is not yet ripe. After being placed in boiling water for a while, the peel is peeled off, the mesocarp is removed, and 5 to 7 petals are cut. After the pulp is removed, it is pressed into shape and dried. Mainly grown in hilly areas. It is mainly produced in Guangdong, Guangxi, Sichuan, Hunan, Hubei, Zhejiang and other places. The orange red recorded in medical wo...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N30/06
CPCG01N30/02G01N30/06G01N2030/062
Inventor 周伟明刘浩王如意陈柳生张小红郑海
Owner GUANGDONG FOOD & DRUG VOCATIONAL COLLEGE
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