Rapid detector and detection method for electrochemical pesticide residue

Abstract

The invention relates to the technical field of food safety, in particular to a pesticide detection technology. An electrochemical pesticide residue rapid detector comprises a pesticide detection module and a microprocessor system which is connected with the pesticide detection module, wherein the pesticide detection module comprises an acetylcholinesterase biosensor of which the signal output end is connected with the signal input end of the microprocessor system; and the microprocessor system is connected with a display. Due to the adoption of the technical scheme, a detection system performs detection according to variation in current generated by reaction of an enzyme catalysis substrate and is not interfered by pigments in vegetables and fruits, so that a sample is relatively easy to extract and treat; and the detector has the advantages of high flexibility, intuitive display of a detection result, automatic detection and the like and is easy to operate when used for detecting pesticide residues.

Description

technical field [0001] The invention relates to the technical field of food safety, in particular to a pesticide residue detection technology. Background technique [0002] With the rapid and stable growth of my country's economy and the continuous improvement of people's living standards, the requirements for food consumption are also getting higher and higher. Returning to nature and consuming pollution-free food have become the consumption trend and market trend in the new era. However, environmental pollution poses a great threat to the hygienic quality of agricultural products, and food poisoning incidents have been reported continuously, which has aroused widespread concern. [0003] In order to ensure people's food safety, many agricultural product wholesale markets, hotels, restaurants and other places use testing equipment to detect pesticide residues in agricultural products. At present, the rapid detection methods of pesticide residues in my country are enzyme i...

AI Technical Summary

Problems solved by technology

The principle of spectrophotometry is based on the change of absorbance for detection, but a large number of pigments in vegetables and fruits will have a great impact on spectrophotometry, resulting in inaccurate detection results

However, the above method has disadvantages such as low recovery rate, high proportion of false detection and missed detection, poor repeatability, and difficulty in meeting the requirements of low residue and quantitative detection.

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