Fig. 2c illustrates the changes in the concentrations of malondialdehyde
in pork patties during frozen storage for 180 days. The MDA content in
pork patties increased rapidly during frozen storage in all groups, with
the most rapid and high increase occurring during the first 120 days of
storage. Thereafter, the rate of increase of MDA slowed down (P ≤ 0.05)
or tended to become constant (P N 0.05) by the end of storage. In the
control group, the concentrations of MDA after 120 days of storage were
about six times higher than that on day 0. These results are in agreement
with studies reporting that MDA concentrations increased the most on
month 3 of frozen storage of pork (El-Alim et al., 1999) or onmonth 2 of
frozen storage of pork patties (Sasse, Colindres, & Brewer, 2009).
Fig. 2c illustrates the changes in the concentrations of malondialdehyde
in pork patties during frozen storage for 180 days. The MDA content in
pork patties increased rapidly during frozen storage in all groups, with
the most rapid and high increase occurring during the first 120 days of
storage. Thereafter, the rate of increase of MDA slowed down (P ≤ 0.05)
or tended to become constant (P N 0.05) by the end of storage. In the
control group, the concentrations of MDA after 120 days of storage were
about six times higher than that on day 0. These results are in agreement
with studies reporting that MDA concentrations increased the most on
month 3 of frozen storage of pork (El-Alim et al., 1999) or onmonth 2 of
frozen storage of pork patties (Sasse, Colindres, & Brewer, 2009).
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