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Fast water-injected meat detection method

A detection method, water-injected meat technology, applied in the direction of material resistance, etc., can solve problems such as result errors

Inactive Publication Date: 2014-04-09
XIAN UNIV OF TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a rapid detection method for water-injected meat, which solves the problem that the existing human senses are used for detection, and the result error is relatively large

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] Water-injected meat rapid detection method of the present invention, see figure 1 , using the Meat Electrical Impedance Spectrum Fast Detector to measure the meat, get the bioelectrical impedance spectrum data of the meat, and use the least squares iterative fitting method to obtain the parameter R of the Cole impedance model 0 , R ∞ , α and f C , the parameter R of the Cole impedance model 0 , R ∞ , α and f C As the input feature of the artificial neural network classification prediction model, the output value of the classification prediction model is obtained, and according to the output value, it is judged whether the detected meat is water-injected meat.

[0035] The Cole impedance model is as follows:

[0036] Z = R ∞ + R ...

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Abstract

The invention relates to a fast water-injected meat detection method. The method comprises the steps of detecting a meat product by utilizing a fast electrical meat impedance-spectroscopy detection instrument to obtain electrical bioimpedance-spectroscopy data, obtaining the parameters R0, R[infinite], a and f[C] of a Cole impedance model by adopting an iterative least squares fitting method, acquiring an output value of a classification forecasting model by taking the parameters R0, R[infinite], alpha and f[C] of a Cole impedance model as input features of an artificial neural network classification forecasting model, and judging whether the detected meat product is water-injected meat according to the output value. According to the detection method, by adopting a two-electrode method, an alternating-current signal with constant amplitude value is inserted in the detected meat product through a pair of needle-like electrodes, and the change of voltages at two ends can be detected through the same pair of electrodes, so that the detection data can be obtained, the fast detection on the meat product can be realized without the damage to the detected sample, and the detection precision is high.

Description

technical field [0001] The invention belongs to the technical field of meat food safety detection methods, and relates to a rapid detection method for water-injected meat. Background technique [0002] Water-injected meat refers to the meat in which water or water-containing substances are injected into the body of the live animal or the carcass after bloodletting before slaughter. At present, water-injected meat is flooding the market, and some unscrupulous traders do everything possible to adulterate it, injecting tap water, blood water, alum brine, colloidal liquid, etc. into meat to make huge profits. Because the water content in meat is too high, the reproduction of bacteria and molds is intensified, which can easily cause meat spoilage and breed germs. Food poisoning is very easy for eaters, leading to physical diseases. It has become a major public hazard that seriously threatens people's health. . The inspection of water-injected meat has become an important task o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/04
Inventor 杨宇祥杜芳玲张雯
Owner XIAN UNIV OF TECH
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