Chicken variety rapid identification method and application thereof
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A variety and rapid technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of difficult to meet the needs of rapid identification of different chicken varieties, complex analysis process, and cumbersome pretreatment, and achieve huge potential commercial effect of value
Inactive Publication Date: 2021-12-31
JIANGSU INST OF POULTRY SCI
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[0003] In terms of meat quality detection and evaluation, relevant researches have been carried out at home and abroad, and meat quality detection methods based on sensory evaluation, physical analysis and chemical analysis have been established. However, because the relevant indicators are affected by factors such as variety, age, nutrition, and feeding methods, and some traditional chicken quality detection methods are cumbersome in pretreatment and complicated in the analysis process, it is difficult to meet the needs of rapid identification of different chicken varieties
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Embodiment 1
[0032] 1, sample selection
[0033] Take Habord, WOD168, Xinxuan's foot hemp chicken, Yuxi Siji, Hong Kong Fengyao blacka and chicken and Qingyuan ac Chicken 6 variety chicken, then sampled immediately after the slaughter, 30 breast samples for each variety, a total of 180 copies sample.
[0034] 2, sample pretreatment
[0035] The ribs, tendons, membranes and fats of the sample are eliminated and used in meatmeal.
[0036] 3, near infrared spectrum collection
[0037] Put the meat sample into the sample tank and cover the bottom of the entire glass, set the wavelength range of 900 nm ~ 2500 nm, the resolution is 8 nm, then the background scan, smooth point 21, each sample repeat scan 3 times, take 3 times average spectrum as a sample spectrum. 30 copies of 6 varieties of chest muscles were collected, scan 180 samples, 6 varieties of chicken near infrared spectrum such as Figure 1 ~ 6 Indicated.
[0038] 4. Establishment of a single variety near infrared spectroscopy model
[0039...
Embodiment 2
[0052] Verification of the model
[0053] Market acquisition Hubbard, WOD168, new Canton feet Chicken, Chicken Yu Wo, Hong Kong Feng Yao black chicken and Qingyuan Chicken six varieties chest of 30 copies made after the meat, which measured near-infrared spectra, the spectrum of FIG. 6 using the single model were verified, the prediction accuracy obtained as shown in table 2.
[0054] Table 2 chicken Near Infrared Spectroscopy forecast accuracy
[0055]
[0056]
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Abstract
The invention discloses a chicken variety rapid identification method and application thereof, and relates to the technical field of food detection. The invention discloses a method for quickly identifying chicken varieties for the first time. According to the method, near infrared spectrums of chicken breast muscle samples of different varieties are detected, spectral data are processed through different pretreatment methods, which are established and applied to rapid detection of chicken varieties, the accuracy rate being 80% or above. The method provided by the invention proves that the near infrared spectrum technology can realize rapid and accurate identification of chicken varieties, and a useful method is provided for chicken quality control and market standardization. The method is suitable for industrial popularization and application, and has huge potential commercial value.
Description
Technical field [0001] The present invention relates to the field of food testing, and in particular, to a rapid identification method of chicken variety and its application. Background technique [0002] In recent years, a large number of poultry products have been changed from live poultry to ice, which has brought greater challenges to the production and consumption of broilers. Due to the lack of relevant meat quality evaluation and division of grading standards, the quality of the producer is difficult to achieve high-quality and high-quality, product advantages cannot be transformed into commodity advantages and benefits, consumers face the sean chicken after slaughter, for different The product is difficult to identify; the regulatory authorities often have no longer complaints when they have been charged with the illegal behaviors of fischer-made, fake, and in terms of complaints, with a fake behavior of violations. This seriously restricts the healthy development of the ...
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