Table 4.
Effect of domestic processing on DPPH activity of commonly consumed green leafy vegetables.
| Sl. no. | Common name | Botanical name | DPPH (mg/100 g Trolox Eq.) | |||
|---|---|---|---|---|---|---|
| Raw | Conventional | Pressure | Microwave | |||
| 1 | Amaranth | Amaranthus gangeticus | 405.6a
(100) |
520b
(128) |
527b
(129) |
476b
(117) |
| 2 | Ambat chukka | Rumex vesicarius | 85.3 (100) |
87 (101) |
83 (97) |
94 (110) |
| 3 | Coriander leaves | Coriandrum sativum | 471.0a
(100) |
886b
(181) |
948b
(201) |
1100c
(233) |
| 4 | Curry leaves | Murraya koenigii | 1020.6a
(100) |
950b
(93) |
1724c
(168) |
1418d
(138) |
| 5 | Fennel leaves | Foeniculum vulgare | 545.3 (100) |
592 (108) |
540 (99) |
746 (136) |
| 6 | Fenugreek leaves | Trigonella foenum-graecum | 144.3 (100) |
142 (98) |
127 (87) |
193 (134) |
| 7 | Purslane leaves | Portulaca oleracea | 138.3 (100) |
162 (117) |
165 (119) |
151 (109) |
| 8 | Gogu | Hibiscus cannabinus | 346.0 (100) |
365 (105) |
334 (96) |
456 (131) |
| 9 | Mint | Mentha spicata | 1368.6 (100) |
2055 (150) |
1856 (135) |
2020 (147) |
| 10 | Ponnaganti | Alternanthera sessilis | 173.0 (100) |
172 (99) |
203 (117) |
198 (114) |
| 11 | Spinach | Spinacia oleracea | 21.6a
(100) |
69b
(321) |
85c
(393) |
104d
(481) |
Mean values were compared (n = 3) by nonparametric Kruskal wallis one way ANOVA. Differences in alphabets are significantly different at P < 0.05. Percent gain or loss calculated when raw value taken as 100%. Percent recovery values are given in parentheses. Decimal points are not given due to higher numbers.