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Method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectrometry

A technology of Ganoderma lucidum spore oil and ion mobility spectrum is applied in the field of adulteration identification of Ganoderma lucidum spore oil, which can solve the problems of destroying effective components, being easily oxidized, and complex composition of Ganoderma lucidum spore oil, and achieving the effects of simple operation and accurate and reliable results.

Inactive Publication Date: 2021-11-26
康道生物(南通)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Ganoderma lucidum spore oil has a complex composition and is easily oxidized. High temperature and high pressure will destroy its active ingredients. There are various limitations in the existing separation and detection technology, and it is impossible to effectively analyze the qualitative and quantitative analysis of Ganoderma lucidum spore oil. GC-IMS technology has a lower temperature for sample processing and analysis, which is more conducive to the detection of volatile compounds with poor thermal stability

Method used

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  • Method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectrometry
  • Method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectrometry
  • Method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectrometry

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Taking LZBZ-1 as the reference sample, GL, DD, YM, KH and ZL as the samples to be tested, the flavor analyzer was used for detection and analysis, and 3 groups of parallel experiments were set up for each sample.

[0030] Take 2g of each sample and put it in a 20mL headspace bottle, incubate at 60°C for 10 minutes and then inject the sample. The GC-IMS conditions are shown in Tables 2 and 3.

[0031] Table 2 Analysis conditions

[0032]

[0033] Table 3 Gas Chromatography Conditions

[0034]

[0035] The analysis software supporting the instrument was used for data processing. VOCal plug-in: perform qualitative and quantitative analysis on volatile samples, and the NIST database and IMS database built into the application software can perform qualitative analysis on substances;

[0036] Reporter plug-in: directly compare the difference of detection data between samples; Gallery Plot plug-in: compare fingerprint detection data, visually and quantitatively compare...

Embodiment 2

[0046] Example 2: Differential analysis of ganoderma lucidum spore oil with different olive oil adulteration ratios

[0047] Taking LZBZ-1 and LZBZ-2 as reference samples, LZGL5-1, LZGL5-2, LZGL10-1, LZGL10-2, LZGL20-1, LZGL20-2, LZGL50-1 and LZGL50-2 as samples to be tested, using flavor Analyzer for detection and analysis. Detection conditions and analysis methods are the same as in Example 1.

[0048] The difference spectrum pseudo-detection data of Ganoderma lucidum spore oil volatile organic compounds in different olive oil adulteration ratios is taken as an example. The detection data of pure Ganoderma lucidum spore oil sample is used as a reference for the differential spectrum pseudo-detection data. The observed The test results show that with the increase of the proportion of olive oil mixed in, the color of the blue spots in the test data gradually deepens correspondingly, and in the test data of Ganoderma lucidum spore oil mixed with 50% olive oil, the blue spots ...

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Abstract

The invention discloses a method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectrometry. The method comprises the following steps: (1) taking pure ganoderma lucidum spore oil as a reference sample, and carrying out gas chromatography and ion mobility spectrometry analysis; (2) taking a sample to be detected, and performing gas chromatography and ion mobility spectrometry analysis; and (3) forming corresponding matrixes from the detection data obtained in the steps (1) and (2), taking the ganoderma lucidum spore oil as a reference matrix and a to-be-detected sample as an analysis matrix, analyzing matrix data and deducting signal peaks in the ganoderma lucidum spore oil to obtain difference differential spectrum pseudo detection data of the two matrixes, and analyzing the component difference between the to-be-detected sample and the reference sample according to the differential spectrum pseudo detection data. According to the invention, pretreatment is not needed before detection of the ganoderma lucidum spore oil sample, operation is easy and convenient, whether the ganoderma lucidum spore oil is adulterated or not can be judged only by comparing the to-be-detected sample with the reference sample according to a detection result, the type of adulterated oil can be judged, and a result is accurate and reliable.

Description

technical field [0001] The invention belongs to the fields of food testing technology and analytical chemistry, and in particular relates to a method for identifying adulteration of ganoderma lucidum spore oil based on gas chromatography and ion mobility spectroscopy. Background technique [0002] Ganoderma lucidum spores are extremely fine particles ejected from the cap of Ganoderma lucidum during the growth and maturity period, and are the reproductive cells of Ganoderma lucidum. The lipid substance extracted from the broken Ganoderma lucidum spores by supercritical carbon dioxide fluid extraction technology is Ganoderma lucidum spore oil, which mainly contains active ingredients such as triterpenoids Ganoderma acid, oleic acid, linoleic acid and trace elements. It has anti-tumor, Lowering blood fat, enhancing immunity, reducing chemical liver damage and other pharmacological effects. [0003] With the improvement of people's living standards and health awareness, food sa...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N27/622
CPCG01N30/02G01N27/622
Inventor 冯泽华施小燕
Owner 康道生物(南通)有限公司
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