Table 3. Total aerobic bacteria, coliform, VBN and TBARS of thawed pork using vacuum tumbling

Thawing methods1) Microbiological deterioration Chemical deterioration
TAB2) (log CFU/g) Coliform (log CFU/g) TBARS3) (MDA mg/kg) VBN4) (mg%)
NTA 2.96±0.01a5) 0.10±0.17 0.42±0.01a 6.86±0.00a
DVT 1.96±0.02b ND6) 0.31±0.01b 5.67±1.98a
IVT 1.19±0.02c ND 0.31±0.01b 4.57±1.97a
NTA, natural thawing in the air; DVT, domestically designed-vacuum tumbler; IVT, imported vacuum tumbler.
TAB, total aerobic bacteria.
TBARS, thiobarbituric acid reactive substance; MDA, malondialdehyde.
VBN, volatile basic nitrogen.
All values are mean±SD (n=3) and different superscripts (a-c) within the same column indicate significant differences (p<0.05).
ND, not detected.