Quick classification and identification method for Ganpu tea (orange pu-erh tea)

Abstract

The invention discloses a quick classification and identification method for Ganpu tea (orange pu-erh tea). The method comprises the following steps of measuring characteristic volatile organic compounds in different standard samples by using a gas-phase ion migration analysis method, to acquire response strength data of flavor compounds of different types of standard samples; clustering the response strength data of the standard samples by using a statistical analysis method, and building a classification and identification model; measuring the characteristic volatile organic compound in an unknown sample by using the gas-phase ion migration analysis method having the same parameter with the previous step, thus acquiring a sample fingerprint spectrum, and putting the sample fingerprint spectrum into the classification and identification model acquired in the previous step for analysis, so as to judge the category and authenticity of the sample. According to the method provided by theinvention, the flavor quality is quantified and standardized, and the classification and identification model is built, so that the Ganpu tea can be quickly, objectively and accurately assessed, the standardization of the quality of the Ganpu tea can be effectively ensured, the product quality and market competitiveness can be improved, and the blank that sensory analysis cannot be accurate and standard is filled.

Description

technical field [0001] The invention belongs to the field of chemical analysis, and in particular relates to a rapid classification and identification method for citrus tea. Background technique [0002] Citrus puerh tea is a kind of tea made from Guangdong Xinhui tangerine (national geographical indication protection product) and Yunnan Pu'er tea (national geographical indication protection product). It is characterized by strong smell, sweet taste, unique orange peel aroma and Chen aroma of Pu'er. It has the effects of regulating qi and regulating the middle, invigorating the spleen and stomach, drying dampness and resolving phlegm, and eliminating accumulation and stagnation. Both Xinhui tangerine peel and Pu'er are good products for health care. Both of them are characterized by the longer the age, the better the efficacy and the more valuable. However, the citrus tea products on the market are mixed, and it is difficult to distinguish the true from the false. [0003...

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the defect that the detection of its volatile substances is not comprehensive enough in the existing citrus tea detection method, the object of the present invention is to provide a kind of citrus pu tea rapid identification method, which can objectively and accurately identify the authenticity of citrus pu tea. and classification identification

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