It has been shown that shrinkage of the contractile
fi bers caused by a lower pH24 reduces the waterbinding
ability and, therefore, increases light scattering
(Warriss, 2000). In the present study, the L* value
in the pasture birds was greater (P < 0.05) than the
control birds. This could be attributed to a lower pH24
in the pasture group. MacDougall and Rhodes (1972)
reported that L* value exhibited a negative correlation
to ultimate pH. Likewise, Castellini et al. (2002) also
observed that pasture intake increased L* value and
reduced ultimate pH of broilers. Concerning shear
force, Watanabe et al. (1996) indicated that tenderness
of meat was strongly related to pH24. However, no
effect of pasture intake on shear force of goose meat
was observed in the present study.
It has been shown that shrinkage of the contractile
fi bers caused by a lower pH24 reduces the waterbinding
ability and, therefore, increases light scattering
(Warriss, 2000). In the present study, the L* value
in the pasture birds was greater (P < 0.05) than the
control birds. This could be attributed to a lower pH24
in the pasture group. MacDougall and Rhodes (1972)
reported that L* value exhibited a negative correlation
to ultimate pH. Likewise, Castellini et al. (2002) also
observed that pasture intake increased L* value and
reduced ultimate pH of broilers. Concerning shear
force, Watanabe et al. (1996) indicated that tenderness
of meat was strongly related to pH24. However, no
effect of pasture intake on shear force of goose meat
was observed in the present study.
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