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Red wine anthocyanin developing test paper, preparation method, application and using method

A technology of red wine and anthocyanins, which is applied in the direction of analyzing materials through chemical reactions and analyzing materials through observation of the impact on chemical indicators, and can solve problems such as not being suitable for consumers

Inactive Publication Date: 2015-03-25
HEBEI UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these detection methods generally require professional instruments, reagents and operators, and are not suitable for consumers to use in daily life.

Method used

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  • Red wine anthocyanin developing test paper, preparation method, application and using method
  • Red wine anthocyanin developing test paper, preparation method, application and using method
  • Red wine anthocyanin developing test paper, preparation method, application and using method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1, a red wine anthocyanin color test paper.

[0038] Such as figure 1 As shown, the red wine anthocyanin color test paper in the present invention includes a substrate 5, and the surface of the substrate 5 is provided with a comparison area for color contrast (shown in the left area in the figure) and a test paper storage area (right in the figure). shown in the side area).

[0039]In the comparison area, there are color code identification cards used for comparison during detection. There are three specific color code identification cards, namely: full juice red wine color code identification card 1, red wine color code identification card blended with synthetic pigments 2 and a red wine color label identification card blended with natural pigments 3 . The color marked on the color label card 1 of full-juice red wine is yellow to the naked eye, the color marked on the color label card 2 of red wine blended with synthetic pigments is red to the naked eye, and ...

Embodiment 2

[0044] Embodiment 2, a kind of preparation method of red wine anthocyanin color test paper.

[0045] The preparation method of red wine anthocyanin color development test paper among the present invention comprises the steps:

[0046] a. Select paper with better permeability and toughness as the base layer.

[0047] The permeability (or soakability) and toughness of paper are one of the important factors to consider when choosing paper as the base layer. If the permeability is not good, it will seriously affect the alkali content of the paper (or the base layer) after soaking in lye, and also affect the uniformity of the alkali content of the paper. If the toughness is not good, the paper is easy to rot, which will affect the production, use and storage of test paper.

[0048] Select sketch paper, rice paper, gouache paper, A4 glossy paper, chemical analysis filter paper and pH test paper raw material paper, which are common in the market, cut them into 400*400mm strips, and...

Embodiment 3

[0067] Example 3, application of red wine anthocyanin color test paper.

[0068] The red wine anthocyanin color test paper in Example 1 and the red wine anthocyanin color test paper prepared by the method in Example 2 can be used to detect whether natural pigments or synthetic pigments are added to red wine.

[0069] The preparation method and application of the red wine anthocyanin color test paper in the present invention will be described in detail below with a specific example.

[0070] Select a piece of chemical analysis filter paper with a length of 50 cm, a width of 50 cm, and a thickness of 0.1 mm. Prepare sodium hydroxide alkaline solution, the mass percentage of sodium hydroxide in the alkaline solution is 1%, and the mass percentage of pure water is 99%. According to the size of the container containing the sodium hydroxide alkali solution, the selected chemical analysis filter paper is cut into paper with a length of 25 cm and a width of 25 cm, and the cut paper i...

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Abstract

The invention provides red wine anthocyanin developing test paper, a preparation method, application and a using method. The red wine anthocyanin developing test paper is characterized in that a substrate is provided with a comparison region and a test paper storage region, wherein the comparison region is internally provided with a full-juice red wine color code identification card, a color code identification card of red wine blended by natural pigment and a color code identification card of red wine blended by synthetic pigment; test paper sheets which are arranged in a stacked mode are bound in the test paper storage region; each test paper sheet is prepared by drying a base layer dipped by an alkaline substance. According to the invention, when the red wine anthocyanin developing test paper is used for detecting red wine, special equipment and reagents and professional operators are not required, and only a plurality of drops of tested red wine are dropwise added on the test paper sheets or the test paper sheets are dipped by the tested red wine to be soaked; by observing the display color of the test paper sheets, whether synthetic pigment or natural pigment is added into the red wine or not can be rapidly and simply detected, and the red wine anthocyanin developing test paper is particularly suitable for the daily use by consumers.

Description

technical field [0001] The invention relates to a test paper, in particular to a red wine anthocyanin color test paper, a preparation method, an application and a use method. Background technique [0002] Long-term drinking of red wine can reduce the incidence of cancer and mortality caused by cardiovascular and cerebrovascular diseases, and can also delay aging. However, drinking fake red wine blended with synthetic pigments (or artificial synthetic pigments) will bring harm to the human body, including toxicity, diarrhea and carcinogenicity. [0003] At present, in addition to fake red wines blended with synthetic pigments, some manufacturers also add natural pigments (such as black rice pigment) to red wines in order to improve the color and appearance of red wines. There are even criminals who add natural pigments to low-quality or even watered red wines to improve their sensory quality, which is undoubtedly a fraud. During the extraction and purification process of na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/78
Inventor 胡秀峰康晓鸥韦丽红李占臣梅博马梅胡丽丽崔超胡清博
Owner HEBEI UNIVERSITY
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