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Method for identifying wine by using polydiacetylene probe matrix

A probe array, polydiacetylene technology, applied in the measurement of color/spectral characteristics, etc., can solve the problems of simple, lack of simplicity, permanent blindness of the eyes and other problems in alcohol detection, and achieve the effect of economical and accurate identification

Active Publication Date: 2018-08-24
CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fake wine not only causes huge economic losses to manufacturers and individuals, but also causes liver damage, brain damage, permanent blindness and even death to those who drink fake wine by mistake
One of the most important factors causing the proliferation of fake wine is that people lack a simple, fast and feasible way to identify wine
Although a large number of wine identification methods have been used in this field in recent years, they are far from achieving the goal of simple, fast and low-cost wine detection.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Detection of 16 commercially available liquors using ethylenediamine-functionalized polydiacetylene probe arrays

[0060] Add 2 mL of a commercially available liquor sample to each of the three equal volumes of ethylenediamine-functionalized diacetylene derivative probes prepared above at different concentrations. The ratio of the absorbance value at 638nm and the absorbance value at 542nm place of the ethylenediamine functionalized diacetylene derivative probe of equal volume of concentration is searched in the graph database of standard wine sample by the ratio of absorbance value, and then Quickly identify the brand and age of the wine sample to be tested.

[0061] Referring to the above method, the remaining 15 kinds of commercially available liquors were tested.

[0062] figure 1 Schematic diagram of the color response of the probe array caused by the addition of 16 different liquors, figure 1 Among them, X, Y, and Z correspond to the ratio of the absorption val...

Embodiment 2

[0066] The imidazole-functionalized polydiacetylene nanoprobe array was used to detect 16 kinds of commercially available liquors, and the detection method was the same as in Example 1. You can also know the basic information of the above 16 kinds of commercially available liquors, such as brand, age, authenticity and so on. They are Red Sorghum, Taoerhe, Niulanshan, Laobaifen Liquor, Taonanxiang, Beijing Erguotou, Ningcheng Laojiao, Laimao 20 years, Laimao 30 years, Laimao 50 years, Dukang, Xifeng, Fu Ergui, Red Star Erguotou, Taonanxiang 50 years old, Taonanxiang 30 years old.

Embodiment 3

[0068] The GABA-functionalized polydiacetylene nanoprobe array was used to detect 16 kinds of commercially available liquors, and the detection method was the same as in Example 1. You can also know the basic information of the above 16 kinds of commercially available liquors, such as brand, age, authenticity and so on. They are Red Sorghum, Taoerhe, Niulanshan, Laobaifen Liquor, Taonanxiang, Beijing Erguotou, Ningcheng Laojiao, Laimao 20 years, Laimao 30 years, Laimao 50 years, Dukang, Xifeng, Fu Ergui, Red Star Erguotou, Taonanxiang 50 years old, Taonanxiang 30 years old.

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Abstract

The present invention relates to wine identification, and in particular relates to a method for identifying wine by using a polydiacetylene probe matrix. According to the method, by combination of theunique structural characteristics of a polydiacetylene nano film and the physical and chemical properties of various small molecules in the wine, the polydiacetylene-based probe matrix is constructedto realize rapid, sensitive, economical and accurate identification of all kinds of wine. According to the characteristics of the main organic small molecules in the wine, an ethylenediamine-functionalized polydiacetylene probe matrix, an imidazole-functionalized polydiacetylene probe matrix, an aminobutyric acid-functionalized polydiacetylene probe matrix or an aniline-functionalized polydiacetylene probe matrix can be designed, a sample to be tested is added into the probe matrix, and by change of the ratio of the absorption value at 638 nm to the absorption value at 542 nm, the rapid identification of the wine can be realized.

Description

technical field [0001] The invention relates to the identification of wine, in particular to a method for identifying wine with a polydiacetylene probe array. Background technique [0002] According to the estimates of the World Health Organization, more than 25% of the wines sold in the current market are fake wines. Fake wine not only causes huge economic losses to producers and individuals, but also causes liver damage, brain damage, permanent blindness and even death to people who drink fake wine by mistake. One of the most important factors causing the proliferation of fake wine is that people lack a simple, fast and feasible way to identify wine. Although there are a large number of methods for wine identification to be used in this field in recent years, they are far from reaching the goal of making wine detection simple, fast and low-cost. Therefore, it is of great significance to realize fast, sensitive, economical and accurate identification of wine. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/33
CPCG01N21/33
Inventor 艾可龙李泽伦逯乐慧
Owner CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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