Table 2.
Ascorbic acid, mg/100 ml | Non-enzymatic browning, O.D. at 440 nm | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Storage period, months | Storage period, months | |||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | 5 | 6 | |
Extraction method | ||||||||||||
J1- Screw type | 31.6 | 29.9 | 27.7 | 26.0 | 24.0 | 22.3 | 0.13 | 0.16 | 0.18 | 0.21 | 0.24 | 0.30 |
J2- Power operated | 31.0 | 29.3 | 27.1 | 25.4 | 23.7 | 21.5 | 0.13 | 0.16 | 0.18 | 0.21 | 0.24 | 0.31 |
SEm± | 0.142 | 0.158 | 0.138 | 0.134 | 0.069 | 0.135 | 0.001 | 0.001 | 0.001 | 0.002 | 0.002 | 0.002 |
CD (p = 0.05) (n = 3) | 0.406 | 0.453 | 0.424 | 0.382 | 0.198 | 0.385 | NS | NS | NS | NS | NS | NS |
Treatments | ||||||||||||
P1 t15 | 34.1 | 32.4 | 30.1 | 28.5 | 26.7 | 23.8 | 0.11 | 0.13 | 0.16 | 0.19 | 0.22 | 0.28 |
P1 t25 | 33.0 | 31.3 | 29.2 | 27.3 | 25.6 | 23.6 | 0.12 | 0.14 | 0.16 | 0.19 | 0.23 | 0.29 |
P1 t35 | 31.8 | 30.1 | 27.9 | 26.2 | 24.5 | 22.5 | 0.13 | 0.15 | 0.17 | 0.20 | 0.23 | 0.29 |
P2 t10 | 32.6 | 30.8 | 28.6 | 27.0 | 23.7 | 22.3 | 0.13 | 0.15 | 0.18 | 0.20 | 0.24 | 0.29 |
P2 t20 | 30.9 | 29.2 | 27.0 | 25.3 | 23.5 | 21.6 | 0.13 | 0.15 | 0.18 | 0.21 | 0.24 | 0.30 |
P2 t30 | 29.8 | 28.1 | 25.8 | 24.2 | 22.4 | 20.5 | 0.14 | 0.16 | 0.19 | 0.21 | 0.25 | 0.31 |
P3 t5 | 31.2 | 29.5 | 27.3 | 25.6 | 23.9 | 21.9 | 0.15 | 0.17 | 0.19 | 0.22 | 0.25 | 0.32 |
P3 t10 | 30.0 | 28.2 | 26.0 | 24.3 | 22.6 | 20.7 | 0.15 | 0.17 | 0.19 | 0.22 | 0.26 | 0.32 |
P3 t15 | 28.6 | 26.8 | 24.6 | 23.0 | 21.3 | 19.4 | 0.16 | 0.18 | 0.20 | 0.23 | 0.27 | 0.33 |
SEm± | 0.301 | 0.335 | 0.314 | 0.283 | 0.147 | 0.286 | 0.002 | 0.002 | 0.003 | 0.003 | 0.004 | 0.005 |
CD (p = 0.05) (n = 3) | 0.863 | 0.963 | 0.902 | 0.810 | 0.421 | 0.818 | 0.006 | 0.007 | 0.008 | 0.009 | 0.011 | 0.014 |
p1t15 – p3t15: As in Table 1