metMb


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metMb

Abbreviation for metmyoglobin.

metMb

Abbreviation for metmyoglobin.
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Las proteinas hemo, como la MetMb, pueden ser iniciadoras de la oxidacion proteica, por lo que los elevados valores de MetMb encontrados pudieron haber afectado a la oxidacion de proteinas.
Concluyendo, la adicion de extracto de vino tinto a hamburguesas enriquecidas en [omega]3 resulto en una menor formacion de MetMb y en una mayor estabilidad del contenido en DHA al final del periodo de conservacion, siendo suficiente el empleo de la dosis EV2 (100 mg GAE/kg de carne).
Porcentaje de MetMb, valores de oxidacion lipidica ([micron]M dienos conjugados/g carne), valores de oxidacion proteica (nM tioles/mg proteina) y contenido en DHA (mg/100g carne) de hamburguesas de cordero enriquecidas en [omega]3 segun los diferentes lotes: control (C) y extracto de vino (EV), durante el periodo de conservacion (PC) en MAP (70% [O.sub.2]/30% C[O.sub.2]).
HPP decreased the relative proportion of OxyMb, in contrast with MetMb. Changes in meat color due to pressurization are related to myoglobin denaturation.
Myoglobin (Mb) is the primary pigment responsible for the color of meat and the brown color created by changes due to oxidation of the iron in the heme moiety of Mb and conversion of OxyMb to MetMb is considered undesirable by most consumers (Smith et al., 2000).
Feeding supplemental Vit E to feedlot cattle increases muscle [alpha]-tocopherol, delays MetMb formation, and increases retail caselife of beef.
The relative Mb (OxyMb and MetMb) concentration and the CIE (Commission Internationale de I'Eclairage) color values were measured at 0, 5 and 10 days of storage.