Taste information based method for rapid evaluation of ginsengs of different ages

A technology of age and ginseng, which is applied in the field of rapid evaluation of ginseng of different ages based on taste information, can solve the problems of no qualitative and quantitative analysis of ginseng taste components, long detection time and data processing time, and the inability to give sensory evaluation index information, etc., to achieve a new Reliable evaluation index reference, evaluation index is easy to understand, fast and accurate evaluation effect

Active Publication Date: 2013-10-30
ZHEJIANG UNIV
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  • Description
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  • Application Information

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Problems solved by technology

However, these methods cannot give and be similar to sensory evaluation index information, such as mouthfeel information, and do not conduct qualitative and quantitative analysis of ginseng mouthfeel components, and the detection time and data processing time are long, and the processing results are cumbersome, failing to provide a fast, Accurate, simple and acceptable evaluation methods or indicators

Method used

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  • Taste information based method for rapid evaluation of ginsengs of different ages
  • Taste information based method for rapid evaluation of ginsengs of different ages
  • Taste information based method for rapid evaluation of ginsengs of different ages

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Embodiment

[0030] In this example, ginseng with different ages is used as test samples, and Insent TS 5000Z electronic tongue is used as a tester to describe in detail. The electronic tongue system consists of three parts: the sample carrier, the automatic detection arm and other mechanical units, the taste sensor array detection unit, and the signal processing and analysis unit. The sensor array contains 5 taste sensors, the core materials of which are different types of phospholipid bimolecular sensitive membranes, the models and response characteristics are shown in Table 1.

[0031] Table 1: Response characteristics of Insent TS5000Z electronic tongue sensor

[0032]

[0033] Collect 2-year-old, 3-year-old, 4-year-old, and 5-year-old ginseng roots in the Changbai Mountain area at the same harvesting period and at the same altitude, remove impurities, wash, select ginseng roots with complete surfaces and no damage, wash them, and dry them in an oven at 45°C for 6 hours. Slice and ...

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Abstract

The invention discloses a taste information based method for rapid evaluation of ginsengs of different ages. The method utilizes an electronic tongue system based on a phospholipid bilayer sensitive film taste sensor to test taste information of ginsengs of different ages at room temperature. Sensor response values and taste values are used as the original information; two modes of recognition methods are employed to conduct qualitative identification on ginsengs of different ages; according to change rule of typical taste information, a regression model of typical taste and age can be established; an age prediction model is selected; and finally the age prediction model is utilized to rapidly evaluate ages of ginsengs. The method disclosed by the invention employs the electronic tongue system based on the phospholipid bilayer sensitive film to evaluate ginsengs of different ages, so as to provide objective, accurate and quantified mouthfeel information; the method has advantages of simple understandable indexes, simple operations, rapidness and accuracy, thereby realizing qualitative and quantified evaluation on ginsengs of different ages by using taste information as the indexes.

Description

technical field [0001] The invention relates to a method for evaluating the age of ginseng, in particular to a method for rapidly evaluating ginseng of different ages based on taste information. technical background [0002] Precious medicinal materials (such as ginseng, American ginseng, angelica, Panax notoginseng, Polygonum multiflorum) have important health care and anti-cancer effects. The rhizomes of different ages have great differences in drug efficacy and price differences. Therefore, the age of rare medicinal materials in the market is adulterated The phenomenon is common. At present, the domestic and foreign methods for identifying the age of precious medicinal materials are mainly the content identification of active ingredients such as saponins and sensory evaluation (aroma and taste). . However, the above methods have many disadvantages: the determination of the active ingredient content, the sample processing process is cumbersome, time-consuming, and expens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
Inventor 王俊崔绍庆
Owner ZHEJIANG UNIV
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