Myoglobin (Mb) and haemoglobin (Hb) accounted for 61% and 39% of the total haem-protein in bighead carp (Hypophthalmichthys nobilis) dark muscle, respectively. Molecular weight of Mb and monomeric-Hb was similar to 16 kDa. Haemin loss from metHb was more rapid, compared to metMb (pH 6.0, 4 degrees C). Pro-oxidative activities of oxyMb/Hb and metMb/Hb were examined in washed mince during 9 days of iced storage (pH 6.0). Soret measurements suggested the existence of holoMb throughout storage. For Hb, weakening of haem-globin linkage was observed, especially for metHb which had undetectable Soret after 3 days of storage. Loss of redness was more rapid and extensive in washed mince containing Hb, compared to Mb. During storage, Hb induced larger amounts of peroxides, thiobarbituric acid-reactive substances and hexanal than did Mb (p < 0.05), especially for met-form. Thus, Hb had lower haemin affinity and was a stronger pro-oxidant than Mb. (C) 2011 Elsevier Ltd. All rights reserved.
机构:
Univ Missouri, Dept Fisheries & Wildlife, Missouri Cooperat Fish & Wildlife Res Unit, Columbia, MO 65211 USAUniv Missouri, Dept Fisheries & Wildlife, Missouri Cooperat Fish & Wildlife Res Unit, Columbia, MO 65211 USA
Klymus, Katy E.
Richter, Catherine A.
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US Geol Survey, Columbia Environm Res Ctr, Columbia, MO USAUniv Missouri, Dept Fisheries & Wildlife, Missouri Cooperat Fish & Wildlife Res Unit, Columbia, MO 65211 USA
Richter, Catherine A.
Chapman, Duane C.
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US Geol Survey, Columbia Environm Res Ctr, Columbia, MO USAUniv Missouri, Dept Fisheries & Wildlife, Missouri Cooperat Fish & Wildlife Res Unit, Columbia, MO 65211 USA
Chapman, Duane C.
Paukert, Craig
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Univ Missouri, US Geol Survey, Dept Fisheries & Wildlife, Cooperat Fish & Wildlife Res Unit, Columbia, MO USAUniv Missouri, Dept Fisheries & Wildlife, Missouri Cooperat Fish & Wildlife Res Unit, Columbia, MO 65211 USA
机构:
United Arab Emirates Univ, Fac Food & Agr, Dept Food Sci, Al Ain 17551, U Arab EmiratesUnited Arab Emirates Univ, Fac Food & Agr, Dept Food Sci, Al Ain 17551, U Arab Emirates
Maqsood, Sajid
Benjakul, Soottawat
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Prince Songkla Univ, Fac Agroind, Dept Food Technol, Hat Yai 90112, Songkhla, ThailandUnited Arab Emirates Univ, Fac Food & Agr, Dept Food Sci, Al Ain 17551, U Arab Emirates
Benjakul, Soottawat
Kamal-Eldin, Afaf
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United Arab Emirates Univ, Fac Food & Agr, Dept Food Sci, Al Ain 17551, U Arab EmiratesUnited Arab Emirates Univ, Fac Food & Agr, Dept Food Sci, Al Ain 17551, U Arab Emirates
机构:
Kansas State Univ, Div Biol, US Geol Survey,Biol Resources Div, Kansas Cooperat Fish & Wildlife Res Unit, Manhattan, KS 66506 USAKansas State Univ, Div Biol, US Geol Survey,Biol Resources Div, Kansas Cooperat Fish & Wildlife Res Unit, Manhattan, KS 66506 USA
Schrank, SJ
Guy, CS
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Kansas State Univ, Div Biol, US Geol Survey,Biol Resources Div, Kansas Cooperat Fish & Wildlife Res Unit, Manhattan, KS 66506 USAKansas State Univ, Div Biol, US Geol Survey,Biol Resources Div, Kansas Cooperat Fish & Wildlife Res Unit, Manhattan, KS 66506 USA