Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 57, Issue 8, Pages 3173-3179Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf8035808
Keywords
Heterocyclic aromatic amines; sardines; salmon; HPLC; charcoal grilling
Funding
- University of Porto [RIC IPG 156/07]
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The formation of heterocyclic aromatic amines (HAs) during barbecuing of sardines (Sardina pilchardus) and Atlantic salmon (Salmo salar) to various degrees of doneness and grilling conditions was evaluated by HPLC-diode array (DAD)/fluorescence (FLD) detection. Additionally, the influences of charcoal and electric heat sources on formation of HAs in grilled salmon were compared. With regard to sardine samples barbecued at 280-300 degrees C, rare samples produced nondetectable amounts of HAs, medium sardines presented IQ, MeIQx, PhIP, and A alpha C at levels of 1.9, 4.4, 3.3, and 2.0 ng/g, respectively, and well done sardines presented IQ, MeIQx, TrpP-1, Trp-P-2, PhIP, A alpha C, and MeA alpha C at levels of 0.9, 2.2, 1.8, 8.2, 6.5, 17.7, and 10.6 ng/g, respectively. Different qualitative and quantitative profiles of HAs were observed in sardine and salmon samples cooked under similar conditions of temperature and doneness. Levels of 13.3, 3.5, 1.13, and 3.18 ng/g were obtained, respectively, for PhIP, A alpha C, MeACLC, and Glu-P-1 in salmon samples barbecued at 280-300 degrees C. The contents of HAs were significantly higher in these samples than in salmon samples barbecued at 180-200 degrees C or in the electric device. However, MeIQx content (0.5 ng/g) was lower in salmon samples barbecued at 280-300 degrees C than in the other samples.
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