Comprehensive Application of Gas Chromatography Technology in Food Safety Inspection

At present, according to Youwa chromatography consumables network, the application of gas chromatography technology in food safety detection mainly includes: pesticide residue analysis in vegetables, fruits and tobacco; veterinary drug residues in animal and poultry, aquatic products and content of clenbuterol and trimethylamine Analysis; Analysis of pesticide residues and pollution of volatile organic compounds in drinking water; Analysis of polycyclic aromatic hydrocarbons in bacon; Analysis of types and contents of additives in food; Analysis of acrylamide in fried foods; Content of methanol and fusel oil in liquor Analysis; analysis of flavor components and quality control of beer, wine and beverages; detection and analysis of harmful substances and contents in food packaging bags; analysis of fatty acid composition in edible vegetable oils.

(1) Detection and analysis of polycyclic aromatic hydrocarbons, additives and acrylamide content

Polycyclic aromatic hydrocarbons (PAHs) are an important class of environmental and food contaminants. There are hundreds of known 2 to 7 ring PAHs, many of which are mutagenic and carcinogenic. Among the processed foods, PAHs in smoked and grilled foods are the most polluted. However, China's smoked foods have a unique flavor and are favored by consumers. They analyze and detect the content of PAHs in smoked foods and understand the PAHs in smoked foods in China. The degree of contamination and the establishment of corresponding hygiene standards have important food safety significance. Using GC / MS technology can quickly detect and analyze more than 20 common PAHs. Among them, 9 kinds of PAHs have been detected by GC / MS technology in smoked meat products.

In addition, you can also use GC / FID gas chromatography to detect the content of food preservative additives such as sorbic acid and benzoic acid, use GC / ECD gas chromatography to detect the content of acrylamide in fried foods, and use GC / FID gas chromatography to determine the amount of flour in the flour. The content of benzoyl oxide.

(2) Detection and analysis of pesticide and other drug residues and pollution

In recent years, organochlorine and organophosphorus pesticide residues in vegetables and fruits and veterinary drug residues in meat and fish products have been widely concerned by society. At present, GC / ECD gas chromatography is used to detect organochlorine pesticide residues, GC / NPD gas chromatography is used to detect organophosphorus and organic nitrogen pesticide residues, and GC / FPD gas chromatography is used to detect organophosphorus and organic sulfur pesticide residues. Using GC / MS technology can simultaneously detect more than 100 pesticide residues. GC / ECD analysis technology can be used to accurately analyze and detect organochlorine pesticide residues in Korean ginseng.

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