Table 3.
Effects of PMF on total phenol, ascorbic acid and DPPH in cloudy apple juice
| Treatment conditions | Total phenol (mg GAE/100 mL) | Ascorbic acid (mg/100 mL) | DPPH (%) | |
|---|---|---|---|---|
| Intensity (T) | Pulse number | |||
| 0 | 0 | 9.78 ± 0.06a | 8.51 ± 0.04e | 93.6 ± 0.71cd |
| 5 | 5 | 9.77 ± 0.08a | 8.34 ± 0.06f | 94.03 ± 0.54bc |
| 10 | 9.75 ± 0.08ab | 8.33 ± 0.05f | 95.47 ± 0.74a | |
| 15 | 9.69 ± 0.07abc | 8.39 ± 0.07ef | 95.50 ± 0.72a | |
| 20 | 9.68 ± 0.08abcd | 9.02 ± 0.08d | 95.53 ± 0.41a | |
| 25 | 9.62 ± 0.10bcdef | 11.0 ± 0.08a | 94.90 ± 0.29ab | |
| 30 | 9.54 ± 0.06defg | 10.5 ± 0.15b | 93.87 ± 0.68c | |
| 6 | 5 | 9.74 ± 0.08ab | 8.04 ± 0.11g | 93.70 ± 0.41c |
| 10 | 9.70 ± 0.08abc | 7.89 ± 0.07h | 93.90 ± 0.67c | |
| 15 | 9.64 ± 0.13abcde | 7.17 ± 0.04i | 94.17 ± 0.34bc | |
| 20 | 9.67 ± 0.08abcd | 8.10 ± 0.12g | 93.63 ± 0.75cd | |
| 25 | 9.58 ± 0.10cdefg | 9.62 ± 0.13c | 93.20 ± 0.36cde | |
| 30 | 9.51 ± 0.05efg | 9.51 ± 0.06c | 92.63 ± 0.62def | |
| 7 | 5 | 9.71 ± 0.09abc | 6.88 ± 0.05j | 93.13 ± 0.41cde |
| 10 | 9.62 ± 0.08bcdef | 6.83 ± 0.03jk | 93.10 ± 0.43cde | |
| 15 | 9.57 ± 0.03cdefg | 6.54 ± 0.09m | 93.23 ± 0.21cde | |
| 20 | 9.59 ± 0.07cdefg | 6.72 ± 0.06kl | 92.50 ± 0.42ef | |
| 25 | 9.49 ± 0.08fg | 6.61 ± 0.03lm | 92.47 ± 0.41ef | |
| 30 | 9.46 ± 0.03g | 6.56 ± 0.04m | 91.90 ± 0.45f | |
Values are expressed as the mean ± standard deviation of triplicate data. A different letter denotes significant difference at p<0.05