Method for identifying fish producing area

A technology of fish and origin, applied in neural learning methods, character and pattern recognition, biological neural network models, etc., can solve problems such as change, difficulty in popularizing fish, difficulty in unifying standard fish representativeness, and improve reliability and accuracy effects

Inactive Publication Date: 2020-09-01
崔斯特创新技术(深圳)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above scheme is mainly to see whether the place of origin of the tested fish is a specific place of origin, and there is also the defect that the accuracy of the distinction is a...

Method used

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  • Method for identifying fish producing area
  • Method for identifying fish producing area
  • Method for identifying fish producing area

Examples

Experimental program
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Embodiment 1

[0107] A method for identifying fish origin, comprising the steps of:

[0108] Collect samples of marine fish from major production areas around the world. In this case, salmon is taken as an example. Salmon is mainly produced in high latitude regions such as Canada, Norway, the United Kingdom, and the United States. Among them, Norway has the largest salmon production, but salmon produced in the waters of Alaska in the United States and the waters of England in the United Kingdom The quality is the best, because salmon living in cold ocean areas have higher fat content, more vitality, and more delicious meat, so the norther the salmon is produced, the better the quality. Collect salmon samples from the above 4 production areas, and collect at least 30 samples from each production area.

[0109] 1. Otolith pretreatment includes the following steps:

[0110] 1. Take a sample from the outer side of the otolith to the center of about 2 / 3 of the fish, wash and dry it, grind it an...

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Abstract

The invention relates to the technical field of production place discrimination, in particular to a method for identifying a fish production area. The method comprises the following steps: selecting afish sample from a real production area; acquiring otolith and carrying out pretreatment; analyzing the element content and the carbon-oxygen isotope content; establishing a database according to theelement content and the carbon-oxygen isotope content; establishing a prediction model according to the established database data; selecting otolith of an unknown fish sample, and carrying out pretreatment; analyzing the element content and the carbon-oxygen stable isotope content of the unknown fish sample otolith; and substituting the data results of the element content and the carbon-oxygen stable isotope content of the unknown fish sample otolith into a prediction model, and outputting a producing area result. According to the method, the otolith is creatively adopted as a characterization object of the commercially available fish production area, an otolith carbon-oxygen stable isotope ratio detection method is adopted as a distinguishing characteristic source, the principle is clearer, the production area of the fish can be more accurately and reliably judged by matching the detection method, and universality and popularization are better achieved.

Description

technical field [0001] The invention relates to the technical field of origin identification, in particular to a method for identifying the origin of fish. Background technique [0002] With the development of global economy, products produced in all parts of the world can be sold to every corner of the world. Due to the differences in climate, water resources and land, the quality and price of products will also vary significantly. The authenticity identification of the source of export products is extremely important, and it has played a great role in the customs department's identification of the authenticity of goods and price evaluation. [0003] As a kind of food that people like very much, fish is also a very large category of import and export products. However, there are very few studies on the detection of fish origin, mainly including stable isotope, element content, DNA and morphological identification. The principle of the current stable isotope and element co...

Claims

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Application Information

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IPC IPC(8): G01N27/62G06N3/04G06N3/08G06K9/62
CPCG01N27/62G06N3/08G06N3/048G06N3/045G06F18/23G06F18/241
Inventor 吴浩田玲周海超洪艳梅
Owner 崔斯特创新技术(深圳)有限公司
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