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Food poisoning source DNA bar code database and rapid detection and identification tracing method thereof

A database and barcode technology, applied in the field of bioengineering, can solve problems that hinder food safety early warning, food poisoning traceability, pollution level and exposure risk research

Inactive Publication Date: 2019-05-21
青岛市疾病预防控制中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The lack of identification standard database and the limitations of analytical methods have largely hindered food safety early warning, food poisoning traceability, and research on contamination levels and exposure risks

Method used

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] The present invention provides a technical solution: a food poisoning source DNA barcode database and its rapid detection, identification and traceability method. The construction method of the food poisoning source DNA barcode database includes the following steps:

[0025] Step 1: Consult the literature and food poisoning data over the years to obtain the species data, geographical distribution characteristics and morphological information of fugu poisonous fish, high biogenic amine aquatic products, poisonous plants includi...

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Abstract

The invention discloses a food poisoning source DNA bar code database and a rapid detection and identification tracing method thereof, and relates to the technical field of biological engineering. Themethod comprises the following steps of: 1, looking up literature and food poisoning data of past years to obtain the species data, regional distribution characteristics and morphological informationof fugu toxin fish, high biogenic amine aquatic products and toxic plants, including mushrooms, which affect food safety. According to the invention, on one hand, a DNA bar code technology which is oriented to food safety, effectively relates to classification, toxicity and morphology of toxic animals and plants is provided, on the other hand, rapid identification and application research on foods which may contain toxic animals and plants in the market of China is carried out so as to provide technical support for researching, judging and preventing food-borne disease outbreak events. A local pathogen spectrum is constructed through gene screening or full gene sequencing means, and a local molecular typing database is constructed through a molecular typing technology.

Description

technical field [0001] The invention relates to the technical field of bioengineering, in particular to a food poisoning source DNA barcode database and a method for rapid detection, identification and traceability thereof. Background technique [0002] Poisonous animals and plants such as fugu poisonous fish, high-biogenic amine aquatic products, poisonous mushrooms, datura, etc. are highly toxic, have a high lethal rate, and exist widely, seriously threatening human health. The lack of identification standard database and the limitations of analytical methods have largely hindered food safety early warning, food poisoning traceability, and research on contamination levels and exposure risks. Therefore, the establishment of a DNA barcode database of common food poisoning sources in the region and its rapid detection, identification and traceability technology research has become a top priority, which is an urgent requirement to ensure food safety in our country, guide peopl...

Claims

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Application Information

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IPC IPC(8): C12Q1/686
Inventor 于维森于红卫牛娟娟马小芳
Owner 青岛市疾病预防控制中心
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