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See Chinese contents: GB 5009.282-2020 GB 5009.282-2020: National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods
This standard specifies the method for the determination of 1-methylimidazole, 2-methylimidazole, and 4-methylimidazole in food by liquid chromatography-tandem mass spectrometry. This standard applies to the determination of the content of 1-methylimidazole, 2-methylimidazole, and 4-methylimidazole in condensed milk, frozen drinks, jams, soy products, cocoa and chocolate products, candy, wheat flour products, biscuits, fillings and surface slurries, meat products, flavored syrups, condiments (soy sauce, vinegar, sauce and sauce products, cooking wine, compound seasoning), beverages, wine, jelly, and puffed food.
