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A method for identifying the authenticity of agarwood

A kind of agarwood and construction method technology, applied in the field of analysis and detection, can solve the problems of inability to produce high-quality agarwood on a large scale, cannot scientifically identify the authenticity of agarwood, slow natural agarwood, etc., achieve obvious social and economic benefits, and high reliability , Easy and fast operation

Active Publication Date: 2019-04-05
INSTITUTE OF ANALYSIS GUANGDONG ACADEMY OF SCIENCES (CHINA NATIONAL ANALYTICAL CENTER GUANGZHOU)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because natural agarwood is slow and expensive, and the technology of artificial agarwood is still in the development stage, it is impossible to produce high-quality agarwood on a large scale, so it cannot meet the market demand. Among them, it is typical to add flavored wood or scented low-priced wood to pretend to be high-priced agarwood
At present, there are very few relevant reports on the analysis of chemical components of agarwood at home and abroad. The identification of the authenticity of agarwood is mainly based on macroscopic morphology, microstructure and burning to identify aroma. These methods mainly rely on experience and are highly subjective. In order to scientifically identify the authenticity of agarwood, it is urgent to establish a method that can accurately, quickly, easily and non-destructively identify the authenticity of agarwood.

Method used

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  • A method for identifying the authenticity of agarwood
  • A method for identifying the authenticity of agarwood
  • A method for identifying the authenticity of agarwood

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: natural agarwood

[0025] (1) Take natural agarwood, hook wood wool with an agarwood hook knife, cut it properly, weigh about 0.10g sample, put it into a 20mL headspace bottle with a Teflon sealing plug, seal it, and put the sample into the In the sampler;

[0026] (2) Insert the solid-phase microextraction needle into the headspace vial through the sealing plug, and push out the extraction head (the extraction head is about 1 cm away from the sample surface, and the extraction head is a 65 μm PDMS / DVB SPME extraction head, article number: SAAB-57310U , Shanghai Anpu Scientific Instrument Co., Ltd.), solid-phase microextraction of agarwood aroma components, heated and extracted in a water bath at 70°C for 40 minutes, and then quickly inserted the solid-phase microextraction needle into the gas phase of an Agilent 7890B GC / 5977A MSD gas chromatograph / mass spectrometer In the injection port, desorb at 250°C for 10 minutes, and use GS / MS to determine the che...

Embodiment 2

[0033] Embodiment 2: authenticity identification of Agarwood sample A

[0034] (1) Take agarwood sample A, hook the wood wool with an agarwood hook knife, cut it properly, weigh about 0.10g sample, put it into a 20mL headspace bottle with a Teflon sealing plug, seal it, and put the sample into In the injector;

[0035] (2) Insert the solid-phase microextraction needle into the headspace vial through the sealing plug, and push out the extraction head (the extraction head is about 1 cm away from the sample surface, and the extraction head is a 65 μm PDMS / DVB SPME extraction head, article number: SAAB-57310U , Shanghai Anpu Scientific Instrument Co., Ltd.), solid-phase microextraction of agarwood aroma components, heated and extracted in a water bath at 70°C for 40 minutes, and then quickly inserted the solid-phase microextraction needle into the gas phase of an Agilent 7890B GC / 5977A MSD gas chromatograph / mass spectrometer In the injection port, desorb at 250°C for 10 minutes, ...

Embodiment 3

[0042] Embodiment 3: authenticity identification of agarwood sample B

[0043] (1) Take agarwood sample B, hook the wood wool with an agarwood hook knife, cut it properly, weigh about 0.12g sample, put it into a 20mL headspace bottle with a Teflon sealing plug, seal it, and put the sample into In the injector;

[0044] (2) Insert the solid-phase microextraction needle into the headspace vial through the sealing plug, and push out the extraction head (the extraction head is about 1 cm away from the sample surface, and the extraction head is a 65 μm PDMS / DVB SPME extraction head, article number: SAAB-57310U , Shanghai Anpu Scientific Instrument Co., Ltd.), solid-phase microextraction of agarwood aroma components, heated and extracted in a water bath at 70°C for 35min, and then quickly inserted the solid-phase microextraction needle into the gas phase of an Agilent 7890B GC / 5977A MSD gas chromatograph / mass spectrometer In the injection port, desorb at 250°C for 10 minutes, and u...

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Abstract

The invention discloses a method for identifying authenticity of agilawood. According to the method, a GC / MS fingerprint map of a to-be-detected agilawood sample is established, and if the GC / MS fingerprint map of the to-be-detected agilawood sample is basically consistent with that of natural agilawood and the to-be-detected agilawood sample contains six feature ingredients including (1) benzylacetone, (2) p-methoxybenzylacetone, (3) agarofuran, (4) agarospirol, (5) hinesol and (6) baimuxinal, the to-be-detected agilawood sample is natural agilawood; if the GC / MS fingerprint map of the to-be-detected agilawood sample has a bigger difference with that of the natural agilawood and the to-be-detected agilawood sample only contains part of the six feature ingredients or doesn't contain the six feature ingredients, the to-be-detected agilawood sample is fake agilawood. The provided method has the characteristics of small dosage of samples, simplicity, convenience and rapidness in operation, remarkable characteristics and accurate and reliable result and is suitable for identifying the authenticity of agilawood without damaging the overall structure of an agilawood storage product, and the method can be used for identifying the authenticity of the agilawood and agilawood artware.

Description

Technical field: [0001] The invention belongs to the field of analysis and detection, and in particular relates to a method for identifying the authenticity of agarwood. Background technique: [0002] Agarwood is the resinous wood of the Swiss spice plant Agarwood, which is produced in southern China and Southeast Asia. It is a kind of precious wood, and it is also a precious Chinese medicinal material and spice. Because of its beautiful texture and strong fragrance, it has always been one of the famous trees since ancient times. It has a very important position in ornamental, medicinal, collection, and especially in the manufacture of handicrafts. Because natural agarwood is slow and expensive, and the technology of artificial agarwood is still in the development stage, it is impossible to produce high-quality agarwood on a large scale, so it cannot meet the market demand. Among them, it is typical to add flavored wood or scented low-priced wood to pretend to be high-price...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02
CPCG01N30/02G01N2030/025
Inventor 吴惠勤黄晓兰黄芳林晓珊侯思润
Owner INSTITUTE OF ANALYSIS GUANGDONG ACADEMY OF SCIENCES (CHINA NATIONAL ANALYTICAL CENTER GUANGZHOU)
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