Effect of HTST Thermal Treatments on End-Use Quality Characteristics of Goat Milk
Table 2
The effect of pasteurization temperature on the average viscosity and titratable acidity (%) of stored goat milk at 4°C.
Storage (weeks)
Average viscosity (mPa s) ± SD∗∗
Average titratable acidity (%) ± SD∗∗
72°C
75°C
81°C
72°C
75°C
81°C
0∗
1.71 ± 0.17
1.67 ± 0.14
1.58 ± 0.18
0.18 ± 0.01
0.20 ± 0.03
0.22 ± 0.02
2
1.73 ± 0.22
1.73 ± 0.11
1.77 ± 0.27
0.17 ± 0.02
0.17 ± 0.01
0.18 ± 0.02
3
1.76 ± 0.18
1.80 ± 0.22
2.20 ± 0.18
0.17 ± 0.01
0.17 ± 0.01
0.18 ± 0.03
4
1.80 ± 0.24
1.80 ± 0.30
2.30 ± 0.15
0.17 ± 0.02
0.18 ± 0.02
0.22 ± 0.01
∗Immediately after pasteurization (IAP); ∗∗Average values at different temperatures 72°C (72°C/15 s and 72°C/25 s), 75°C (75°C/15 s and 75°C/25 s), and 81°C (81°C/15 s and 81°C/25 s).