Different alternatives have been proposed to reduce
meat discoloration, i.e. addition of oxygen scavengers,
sodium nitrite or antioxidants (Carlez et al., 1995). However,
oxygen scavengers and sodium nitrite only partly
protect colour, since samples processed at 400 MPa still
turned to ‘‘pink’’ colour, without suffering changes in redness
or metmyoglobin content. Besides, Jung et al. (2003)
evaluated the effect of cooking, not finding colour differences
between pressurised and non-pressurised samples
after the same cooking treatment. In this way, high pressure-
treated fresh meat with high hygienic quality but
decoloured appearance would be produced, only suitable
for specific customers (i.e. foodservices companies) who
would be aware of the product quality in spite of its
aspect.
Different alternatives have been proposed to reducemeat discoloration, i.e. addition of oxygen scavengers,sodium nitrite or antioxidants (Carlez et al., 1995). However,oxygen scavengers and sodium nitrite only partlyprotect colour, since samples processed at 400 MPa stillturned to ‘‘pink’’ colour, without suffering changes in rednessor metmyoglobin content. Besides, Jung et al. (2003)evaluated the effect of cooking, not finding colour differencesbetween pressurised and non-pressurised samplesafter the same cooking treatment. In this way, high pressure-treated fresh meat with high hygienic quality butdecoloured appearance would be produced, only suitablefor specific customers (i.e. foodservices companies) whowould be aware of the product quality in spite of itsaspect.
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