Quantitative determination of toxic mono- and non-ortho polychlorinated biphenyls in cod liver oil after selective liquid chromatographic separation

Natzeck, C.; Vetter, Walter; Luckas, Bernd; Moskopp, G.; Buijten, J.

doi:10.1007/bf02269724

Cited by 2 publications

(2 citation statements)

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“…A mixture of 0.5 g of Celite and 0.5 g of ENVI-Carb was filled in a 1 cm internal diameter glass column according to Natzeck et al with modifications. 35 One-fourth (250 μL) of a purified heated sample extract (heated for 120 min with a closed lid) was placed on the column and eluted with (i) 50 mL of n-hexane, (ii) 50 mL of n-hexane/toluene (95:5, v/v), and (iii) 50 mL of toluene. Each fraction was concentrated to 250 μL and then subjected to GC/ECNI-MS analysis (5 μL injected), and the resulting chromatograms were compared with the unfractionated sample (5 μL injected).…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…A mixture of 0.5 g of Celite and 0.5 g of ENVI-Carb was filled in a 1 cm internal diameter glass column according to Natzeck et al with modifications . One-fourth (250 μL) of a purified heated sample extract (heated for 120 min with a closed lid) was placed on the column and eluted with (i) 50 mL of n -hexane, (ii) 50 mL of n -hexane/toluene (95:5, v/v), and (iii) 50 mL of toluene.…”

Section: Methodsmentioning

confidence: 99%

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Hydrodebromination of Decabromodiphenyl Ether (BDE-209) in Cooking Experiments with Salmon Fillet

Bendig

Blumenstein

Hägele

et al. 2012

J. Agric. Food Chem.

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Polybrominated diphenyl ethers (PBDEs) are environmental contaminants regularly detected in biota and food. Seafood has been identified as the major dietary source for human uptake. Fish is predominantly consumed after cooking, and this process may alter the actual human intake of contaminants. This study thus aimed to investigate the fate of PBDEs in this cooking process. Heating of fish fortified with 2,2',3,3',4,4',5,5',6,6'-decabromodiphenyl ether (BDE-209) at typical cooking conditions (200 °C, in plant oil) resulted in a decrease of its concentration in favor of the formation of lower brominated congeners. After 15 min, ∼25% of BDE-209 was transformed into nona- to octabrominated congeners. The major transformation route was BDE-209 → BDE-206 → BDE-196 and BDE-199. Low amounts of heptabrominated congeners as well as one hexabromodibenzofuran and a heptabromodibenzofuran isomer were also detected. However, penta- and tetrabrominated diphenyl ethers were not observed, and heating of BDE-47 did not produce new transformation products.

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Section: ■ Materials and Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%