Trace element spectrum method for tracing phoenix-tailed chicken

A technology of trace elements and chickens, which is used in measuring devices, instruments, analytical materials, etc.

Inactive Publication Date: 2018-09-04
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention aims to solve the problem that the method in the prior art cannot determine the standards that can be used for the traceability of its breed and place of origin, and provides a trace element spectrum method fo

Method used

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  • Trace element spectrum method for tracing phoenix-tailed chicken
  • Trace element spectrum method for tracing phoenix-tailed chicken
  • Trace element spectrum method for tracing phoenix-tailed chicken

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Experimental program
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Embodiment 1

[0037] A trace element spectrum method for tracing the source of phoenix chicken, comprising the following method steps:

[0038] A, get anchovy chicken sample and white feather chicken chicken sample;

[0039] B. Determination of the element types and content in the phoenix chicken sample and the white-feather chicken sample;

[0040] C. Obtain the types and contents of the two kinds of chicken trace elements from step B, and then perform multiple comparative analysis to obtain trace element types with significant differences in the contents of the two chickens, and preliminarily infer that these trace elements with significant differences can be used In the traceability of phoenix chicken;

[0041] D. Use principal component analysis and systematic clustering to further analyze the trace elements that are preliminarily deduced in step C and can be applied to traceability of phoenix-tailed chickens, and verify that these trace elements can distinguish phoenix-tailed chickens...

Embodiment 2

[0045] 1. Detection of amino acid types and sample description

[0046] Detection of aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, cystine, valine, methionine, isoleucine, leucine, tyrosine in chicken Amino acid, phenylalanine, histidine, lysine, arginine 18 kinds of amino acid content, and compared with the amino acid types and contents of commercially available white feather chicken. The specific description of the sample is as follows:

[0047] Anchovy chicken thighs are marked as: S1, S2, S3; anchovy chicken breasts are respectively marked as S4, S5, S6; a total of 6 samples; white feather chicken thighs are respectively marked: C1, C2, C3; commercially available White-feathered chicken breasts are marked as C4, C5, and C6 respectively; there are 6 samples in total, and 12 samples of two breeds of chickens in total.

[0048] 2. Detection methods and reference standards for data analysis

[0049] The detection method of amino acid content in...

Embodiment 3

[0061] 1. Detection of trace element types and sample description

[0062] The content of fifteen elements including Cr, Cu, Fe, Zn, Rb, Mn, Sr, Sn, Mo, Cs, Se, Ba, Co, Ag, Sb in phoenix-tailed chicken was detected, and it was compared with that of commercially available white-feathered chicken. The types and contents of elements were compared and analyzed. The specific description of the sample is as follows:

[0063] Anchovy chicken legs are marked as: S1, S2, S3; anchovy chicken breasts are respectively marked as S4, S5, S6; a total of 6 samples; white feather chicken thighs are respectively marked: C1, C2, C3; white feather chicken The chicken breasts are marked as C4, C5, and C6 respectively; there are 6 samples in total, and there are 12 samples in total for the two breeds of chickens.

[0064] 2. Detection methods and reference standards for data analysis

[0065] 1. The detection method of trace elements in phoenix-tailed chicken is based on GB 5009.268-2016 "Nation...

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Abstract

The invention relates to a trace element spectrum method for tracing a phoenix-tailed chicken, and belongs to the technical field of phoenix-tailed chicken breed and origin traceability. According tothe trace element spectrum method, the varieties and the contents of trace elements in the phoenix-tailed chicken and a white-feather chicken are determinated, and then multiple comparative analysis is performed to obtain the varieties of the trace elements having significant content differences in the phoenix-tailed chicken and the white-feather chicken; then, variables that are effective for variety discrimination are obtained through principal component analysis, system clustering analysis and discriminant analysis, a discriminant model is established, and the validity of the model is verified, so that a trace element spectrum having effective discriminative power for a phoenix-tailed chicken sample and applicable to phoenix-tailed chicken traceability is obtained. By the trace elementspectrum method, the trace element spectrum applicable to the phoenix-tailed chicken breed and origin traceability can be determined, and the phoenix-tailed chicken can be accurately, quickly and effectively discriminated through the discriminant analysis model and the contents of three elements in the sample, so that the trace element spectrum method can be applied to the traceability and the discrimination of the phoenix-tailed chicken very well.

Description

technical field [0001] The invention relates to a method for species traceability, more specifically, the invention relates to a trace element spectrum method for traceability of phoenix-tailed chicken, belonging to the technical field of phoenix-tailed chicken breed and origin traceability. Background technique [0002] Phoenix-tailed chicken is a kind of Tibetan chicken. It has strong foraging and flying abilities. It is suitable for free-range grazing. It is a special product of Heishui County, Aba Prefecture, Sichuan Province. The special ecological environment of the plateau has bred rich and unique species. resource. Heishui County is a semi-agricultural and semi-pastoral county. It is located in the western Sichuan plateau, the alpine valley in the central part of Aba Tibetan and Qiang Autonomous Prefecture, and the middle section of the Minshan Mountains. It is the source of the main tributaries of the upper reaches of the Minjiang River, the Heishui River and the Ma...

Claims

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Application Information

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IPC IPC(8): G01N21/73G01N27/62G06K9/62
CPCG01N21/73G01N27/62G06F18/23G06F18/2135
Inventor 孙群蔡浩洋白婷温文婷
Owner SICHUAN UNIV
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