Effects of cooking on levels of PCBs in the fillets of winter flounder (Pseudopleuronectes americanus)

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The Pacific Northwest Laboratory and Battelle Ocean Sciences performed a study to determine the effect of cooking on polychlorinated biphenyl (PCB) levels in the fillets of winter flounder (Pseudopleuronectes americanus). Broiling, pan frying, and deep frying in oil were tested on fillets from 21 fish collected from New Bedford Harbor, Massachusetts, on February 21, 1991. The evaluation involved estimating the change in PCB concentrations using a mass-balance approach that factored the change in fillet weight resulting from cooking with the changes in PCB concentration expressed on a precooked wet-weight basis. Deep frying in oil resulted in a 47% reduction in ... continued below

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70 p.

Creation Information

Poston, T.M.; Durell, G.S.; Koczwara, G. & Spellacy, A.M. August 1, 1995.

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  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The Pacific Northwest Laboratory and Battelle Ocean Sciences performed a study to determine the effect of cooking on polychlorinated biphenyl (PCB) levels in the fillets of winter flounder (Pseudopleuronectes americanus). Broiling, pan frying, and deep frying in oil were tested on fillets from 21 fish collected from New Bedford Harbor, Massachusetts, on February 21, 1991. The evaluation involved estimating the change in PCB concentrations using a mass-balance approach that factored the change in fillet weight resulting from cooking with the changes in PCB concentration expressed on a precooked wet-weight basis. Deep frying in oil resulted in a 47% reduction in total PCB levels in fillet tissue. Additionally, deep frying caused a 40% reduction in fillet mass. Pan frying and broiling resulted in statistically in insignificant increases in total PCB levels of 15% and 17%, respectively. Fillet mass reductions resulting from pan frying and broiling were 7% and 15%, respectively. The effects of cooking on 18 individual congeners generally paralleled the results observed for total PCB. All 18 congeners were significantly reduced by deep frying. Congener Cl{sub 2}(08) also was significantly reduced by either pan frying. Congeners Cl{sub 5}(105) and Cl{sub 5}(118) showed apparent significant increases in concentrations following pan frying. Congeners Cl{sub 5}(105), Cl{sub 5}(118), and C1{sub 6}(138) showed significant increases in concentration following broiling.

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70 p.

Notes

OSTI as DE95017589

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  • Other Information: PBD: Aug 1995

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  • Other: DE95017589
  • Report No.: PNL--8077
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/105686 | External Link
  • Office of Scientific & Technical Information Report Number: 105686
  • Archival Resource Key: ark:/67531/metadc626626

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  • August 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • April 7, 2016, 6:17 p.m.

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Poston, T.M.; Durell, G.S.; Koczwara, G. & Spellacy, A.M. Effects of cooking on levels of PCBs in the fillets of winter flounder (Pseudopleuronectes americanus), report, August 1, 1995; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc626626/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.