Fresh beef strip loins (M. Longissimus lumborum) from different
carcasses (at Hangzhou Farmers’ Market, Zhejiang province,
China, 30.26 N, 120.19 E) were obtained right after being killed.
From each carcass, 100 g of strip loin was obtained and manually
packed and sealed in commercial food grade polymer wraps with
ice surrounded before being transported to the lab, where it was
further divided into four equal parts. As all the four samples were
taken from the same strip loin, and the sample size was small (only
25 g); it was assumed that the meat conditions and the spoilage
characteristics of all the samples were same. Out of these four samples
from the original 100 g of beef samples, one sample was used
for sensory evaluation, one was used for TVBN evaluation, one was
used for microbial population estimate and the last one was used
for e-nose headspace analysis. In the pre-experiment, storage temperature
of 8 ◦C was chosen to expedite the spoilage of meat, while
in the further experiments, all the samples were stored at 2 ◦C. The
number of samples for each experiment and the ST are shown in
Table 1.
Fresh beef strip loins (M. Longissimus lumborum) from different
carcasses (at Hangzhou Farmers’ Market, Zhejiang province,
China, 30.26 N, 120.19 E) were obtained right after being killed.
From each carcass, 100 g of strip loin was obtained and manually
packed and sealed in commercial food grade polymer wraps with
ice surrounded before being transported to the lab, where it was
further divided into four equal parts. As all the four samples were
taken from the same strip loin, and the sample size was small (only
25 g); it was assumed that the meat conditions and the spoilage
characteristics of all the samples were same. Out of these four samples
from the original 100 g of beef samples, one sample was used
for sensory evaluation, one was used for TVBN evaluation, one was
used for microbial population estimate and the last one was used
for e-nose headspace analysis. In the pre-experiment, storage temperature
of 8 ◦C was chosen to expedite the spoilage of meat, while
in the further experiments, all the samples were stored at 2 ◦C. The
number of samples for each experiment and the ST are shown in
Table 1.
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