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- W4300610253 abstract "Abstract A liquid chromatographic (LC) procedure for determining 10 biogenic amines in cheese is described. The method is based on ion-pair chromatography on a reversed-phase column with postcolumn derivatization with o-phthaldialdehyde and fluorometric detection. It allowed simultaneous determination of 10 amines in <80 min: histamine, tyramine, tryptamine, 2-phenylethylamine, serotonin, agmatine,spermine, spermidine, putrescine, and cadaverine. Linearity for each amine was observed between 0.5 and 6.0 μg/mL. Detection limits ranged from 0.004 to 0.009 μg/20 μL, and determination limits ranged from 0.066 to 0.149 mg/100 g. Amino acids and other amines did not interfere with determination of biogenic amines. Three extractantsmethanol, hydrochloric acid, and trichloroacetic acidwere compared in their efficiency to recover aminesfrom spiked samples. Purification of the cheese extract was required prior to LC to avoid interference from compounds in the cheese matrix. Hydrochloric acid extraction followed by purification with diethyl ether gave best recoveries for all the amines (75.5-112.3%). The method is simple, fast, and reliable. It can be used to study the technological and toxicological implications of biogenic amines in cheeses." @default.
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- W4300610253 date "1997-09-01" @default.
- W4300610253 modified "2023-10-13" @default.
- W4300610253 title "Determination of Biogenic Amines in Cheese" @default.
- W4300610253 doi "https://doi.org/10.1093/jaoac/80.5.1006" @default.
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