Source of variation1 |
Ascorbic acid content |
Antioxidant activity (ABTS) |
Mean / Interception |
1297.481 |
2127.168 |
P |
-0.829 |
0.498 |
T |
-15.442 |
43.555 |
t |
-1.548 |
-2.662 |
P2 |
(8.371 x 10-4) |
- |
T2 |
0.139 |
-0.608 |
t2 |
(1.525 x 10-3) |
(5.518 x 10-3) |
Pt |
(7.829 x 10-4) |
-(4.180 x 10-3) |
|
1P=pressure. T=temperature. t=time. |
Table 4: Significant regression coefficients of the quadratic model for ascorbic acid content and antioxidant activity of HHP treated orange juice. |