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Method for detecting moisture in meats

A detection method, meat technology, applied in the field of collection, feature extraction and water content detection, spectroscopic non-destructive rapid detection of meat moisture content, can solve the problems of limited accuracy, sample destructiveness, time-consuming, etc., to achieve The effect of improving accuracy

Inactive Publication Date: 2014-03-26
XINJIANG AGRI UNIV
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  • Abstract
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Problems solved by technology

; The detection accuracy of the dry method is high, but it takes a long time and is destructive to the sample, while the accuracy of the conductivity detection is limited

Method used

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  • Method for detecting moisture in meats
  • Method for detecting moisture in meats
  • Method for detecting moisture in meats

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Embodiment Construction

[0025] Specific embodiments of the present invention will be further described in detail below. The following examples are only used to illustrate the present invention, but not to limit the scope of the present invention.

[0026] The rapid detection method of meat moisture content according to the embodiment of the present invention comprises the following steps:

[0027] S1. Acquisition of fresh sample spectral data: use visible / near-infrared spectrometer to extract the original reflection spectral data I of the surface of the fresh meat sample to be tested 0 , when extracting spectral data, it needs to be corrected by spectral extraction software, and software correction includes black and white reference correction.

[0028] S2. Dry sample: Accurately weigh the weight m of the fresh meat sample, then dry the meat sample, and weigh the weight m of the dried meat sample 0 , to calculate the moisture content Q of the meat sample; the formula for calculating the moisture co...

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Abstract

The invention discloses a method for detecting moisture in meats. The method comprises the following steps: acquiring a reflection spectrum of a meat sample to be detected and a reflection spectrum of the dried sample by utilizing a spectrum system, and combining the reflection spectrum of the meat sample to be detected and the reflection spectrum of the dried sample into a synthetic spectrum; selecting a characteristic wavelength combination which can reflect a predictive index in the synthetic spectrum by utilizing a stepwise regression method, establishing a multiple linear regression prediction model by using the characteristic wavelengths, and judging the moisture rate of the meats by using the prediction model. According to the method, rapid and nondestructive testing for the moisture rate of the meats can be realized, so that the detection means of the moisture rate of the meats in China is in line with that of the developed countries.

Description

technical field [0001] The invention belongs to the field of quality detection of agricultural and livestock products, is used for moisture detection of meat products, and relates to a spectroscopic non-destructive rapid detection method for the moisture content of meat, and more specifically, to the collection and feature extraction of meat surface spectra and the method of detection of water content. technical background [0002] my country is a big producer and consumer of various meat products, and the annual production and consumption are also increasing. However, various quality problems are also emerging one after another, and problematic meat such as clenbuterol, diseased and dead meat, and water-injected meat also plague consumers. The invention proposes a method for quickly detecting the moisture content of meat based on spectral technology. [0003] At present, the meat moisture detection methods used in the meat industry mainly include: 1) infrared drying equip...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/47
Inventor 郭辉韩长杰苏刚
Owner XINJIANG AGRI UNIV
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