Hemoglobin-mediated oxidation of washed minced cod muscle phospholipids: effect of pH and hemoglobin source

Journal of Agricultural and Food Chemistry
Ingrid UndelandH O Hultin

Abstract

Lipid pro-oxidative properties and deoxygenation/autoxidation patterns of hemoglobins from nonmigratory white-fleshed fish (winter flounder and Atlantic pollock) and migratory dark-fleshed fish (Atlantic mackerel and menhaden) were compared during ice storage at pH 7.2 and 6. A washed cod mince model system and a buffer model system were used for studying lipid changes and hemoglobin changes, respectively. TBARS and painty odor were followed as markers for lipid oxidation. At pH 6, all four hemoglobins were highly and equally active as pro-oxidants. At pH 7.2, pro-oxidation by all hemoglobins except that from pollock was slowed down, and activity ranked as pollock > mackerel > menhaden > flounder. The higher catalytic activities of the hemoglobins at pH 6 than at pH 7.2 corresponded with higher formation of deoxyhemoglobin and methemoglobin. Pollock had the most extensive formation of deoxy- and methemoglobin at both pH values, which could explain its high catalytic activity. The pro-oxidative differences among the other hemoglobins at pH 7.2 did not correlate with deoxygenation and autoxidation reactions. This indicates involvement of other structural differences between the hemoglobins such as differences in the heme-crevice ...Continue Reading

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Citations

Apr 14, 2011·Journal of Agricultural and Food Chemistry·Jacobo Iglesias NeiraIsabel Medina
Jul 4, 2012·Journal of Agricultural and Food Chemistry·Karin LarssonIngrid Undeland
Nov 26, 2015·Journal of Food Science·He CaiMark P Richards
Nov 13, 2007·Journal of Food Science·Hordur G KristinssonSiriporn Ua-Angkoon
Mar 16, 2012·Journal of Food Science·Lori F PivarnikMichael DiLiberti
Sep 3, 2010·Journal of the Science of Food and Agriculture·Karin J Larsson, Ingrid K Undeland
May 23, 2013·Journal of the Science of Food and Agriculture·Suthasinee YarnpakdeeHordur G Kristinsson
Dec 4, 2014·Food Chemistry·Manat Chaijan, Ingrid Undeland
Apr 28, 2007·Journal of Agricultural and Food Chemistry·Thippeswamy SannaveerappaIngrid Undeland
Sep 3, 2009·Journal of Agricultural and Food Chemistry·Rodrigo MaestreIsabel Medina
Apr 28, 2005·Journal of Agricultural and Food Chemistry·Manuel PazosHerbert O Hultin
Jun 6, 2007·Journal of Agricultural and Food Chemistry·Isabel Sanchez-AlonsoIngrid Undeland
Jan 18, 2011·Journal of Agricultural and Food Chemistry·Stein Harris Olsen, Edel Oddny Elvevoll
Mar 31, 2007·Journal of Agricultural and Food Chemistry·Mark P RichardsAlexandra C M Oliveira
Oct 18, 2007·Journal of Agricultural and Food Chemistry·Thippeswamy SannaveerappaIngrid Undeland
Feb 3, 2005·Journal of Agricultural and Food Chemistry·Francisco J HidalgoRosario Zamora
Nov 26, 2004·Journal of Agricultural and Food Chemistry·Daniel Wetterskog, Ingrid Undeland
Jun 8, 2006·Journal of Agricultural and Food Chemistry·Manuel PazosIsabel Medina

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