Fast detecting method for sulfonamide residues in shrimps

Abstract

The invention discloses a fast detecting method for sulfonamide residues in shrimps. Methyl alcohol is used for extracting the sulfonamide residues in shrimp mince, stable fuchsia derivatives are formed through a fast derivation reaction of the sulfonamide residues and a specific derivatization reagent, a color development result is observed through the naked eyes so that fast detection can be achieved, and the detection sensitivity can reach 50 microgram per kilogram at least. The fast detection method is simple in pretreatment, short in detection time and low in detection cost, a large instrument is not needed, field detection can be achieved, color changes are observed through the naked eyes so that the detection result can be rapidly obtained, and the sulfonamide residues in the shrimps can be rapidly and efficiently detected.

Description

technical field [0001] The invention relates to a detection method for sulfa drug residues in aquatic products, in particular to a rapid detection method for sulfa drug residues in shrimp. Background technique [0002] Sulfonamides are a general term for synthetic antibiotics whose main structure is p-aminobenzenesulfonamide, and are a class of chemotherapeutic drugs used to prevent and treat bacterial infectious diseases. In recent years, with the domestic and foreign research on the analysis of sulfa drug residues, many methods for detecting sulfa drugs have emerged, including high performance liquid chromatography (such as CN101639466A), liquid chromatography-mass spectrometry, colloidal gold Immunochromatography, immunoassay and near-infrared spectroscopy, etc. However, it only focuses on traditional laboratory testing, and has the limitations of complex sample pretreatment steps, long time-consuming, low throughput, and high cost. However, the rapid detection technolo...

AI Technical Summary

Problems solved by technology

However, it only focuses on traditional laboratory testing, and there are limitations in sample pretreatment steps such as complex, time-consuming, low throughput, and high cost

However, the rapid detection technology for drug residues in aquatic products is very scarce. The traditional detection methods in the current laboratory are difficult to achieve fast and efficient detection results, and are increasingly unsuitable for the characteristics of food production, distribution and sales.