Table 2. pH changes of beef during aging

Company	Day 0	Day 7	Day 14	Day 21	Day 28	Day 42	Day 63
A	5.51±0.05^D	5.54±0.01^CD	5.58±0.01^C	5.71±0.04^B	5.58±0.03^C	5.56±0.03^CD	6.16±0.01^A
B	5.72±0.02^E	5.85±0.06^C	5.78±0.01^D	5.85±0.01^C	5.59±0.01^F	6.21±0.02^A	5.94±0.01^B
C	6.79±0.04^A	6.77±0.04^A	6.54±0.01^C	6.35±0.01^D	5.97±0.02^F	6.72±0.01^B	6.15±0.03^E

Values are represented as mean±SD.
Different superscript letters in the same row indicate significant differences at p<0.05.