Table 3.
Effect of juice extraction methods and processing temperature-time on reducing sugar and total sugar of juice during storage
| Reducing sugar,% | Total sugar,% | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Storage period, months | Storage period, months | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | 5 | 6 | |
| Extraction method | ||||||||||||
| J1- Screw type | 3.7 | 4.1 | 4.7 | 5.6 | 5.9 | 6.1 | 8.3 | 8.4 | 9.1 | 9.4 | 9.6 | 9.8 |
| J2- Power operated | 4.1 | 4.5 | 5.1 | 5.9 | 6.2 | 6.5 | 8.6 | 8.7 | 9.4 | 9.7 | 9.9 | 10.1 |
| SEm± | 0.021 | 0.022 | 0.026 | 0.033 | 0.031 | 0.035 | 0.048 | 0.049 | 0.055 | 0.058 | 0.062 | 0.064 |
| CD (p = 0.05) (n = 3) | 0.060 | 0.062 | 0.073 | 0.095 | 0.089 | 0.099 | 0.137 | 0.141 | 0.157 | 0.166 | 0.176 | 0.184 |
| Treatments | ||||||||||||
| P1 t15 | 3.4 | 3.8 | 4.4 | 5.3 | 5.6 | 5.9 | 8.0 | 8.1 | 8.9 | 9.1 | 9.4 | 9.5 |
| P1 t25 | 3.5 | 3.9 | 4.5 | 5.3 | 5.6 | 5.9 | 8.1 | 8.2 | 8.9 | 9.2 | 9.4 | 9.6 |
| P1 t35 | 3.7 | 4.1 | 4.7 | 5.5 | 5.8 | 6.0 | 8.2 | 8.3 | 9.1 | 9.3 | 9.5 | 9.8 |
| P2 t10 | 3.7 | 4.1 | 4.7 | 5.5 | 5.8 | 6.1 | 8.3 | 8.4 | 9.1 | 9.4 | 9.6 | 9.8 |
| P2 t20 | 3.8 | 4.3 | 4.9 | 5.8 | 6.1 | 6.4 | 8.4 | 8.5 | 9.2 | 9.4 | 9.7 | 9.8 |
| P2 t30 | 4.0 | 4.4 | 5.0 | 5.8 | 6.1 | 6.4 | 8.5 | 8.6 | 9.3 | 9.6 | 9.8 | 10.0 |
| P3 t5 | 4.1 | 4.6 | 5.2 | 6.0 | 6.3 | 6.5 | 8.6 | 8.8 | 9.5 | 9.8 | 10.0 | 10.2 |
| P3 t10 | 4.3 | 4.7 | 5.3 | 6.1 | 6.4 | 6.7 | 8.8 | 8.9 | 9.6 | 9.9 | 10.2 | 10.3 |
| P3 t15 | 4.5 | 5.0 | 5.6 | 6.4 | 6.7 | 6.9 | 8.9 | 9.0 | 9.8 | 10.1 | 10.3 | 10.5 |
| SEm± | 0.044 | 0.046 | 0.054 | 0.070 | 0.066 | 0.073 | 0.101 | 0.104 | 0.116 | 0.123 | 0.131 | 0.136 |
| CD (p = 0.05) (n = 3) | 0.128 | 0.132 | 0.155 | 0.202 | 0.189 | 0.211 | 0.291 | 0.299 | 0.334 | 0.353 | 0.374 | 0.391 |
p1t15 – p3t15: As in Table 1