Table 5.
Effect of domestic processing on FRAP activity of commonly consumed green leafy vegetables.
| Sl. no. | Common name | Botanical name | FRAP (mg/100 g FeSO4 Eq.) | |||
|---|---|---|---|---|---|---|
| Raw | Conventional | Pressure | Microwave | |||
| 1 | Amaranth | Amaranthus gangeticus | 8237.6a
(100) |
11370b
(138) |
12102b
(146) |
11786b
(143) |
| 2 | Ambat chukka | Rumex vesicarius | 3511.6 (100) |
3270 (93) |
2946 (83) |
3243 (92) |
| 3 | Coriander leaves | Coriandrum sativum | 7125.6a
(100) |
18636b
(261) |
16123c
(226) |
19802d
(277) |
| 4 | Curry leaves | Murraya koenigii | 20275.0a
(100) |
18533b
(91) |
24213c
(119) |
27392d
(135) |
| 5 | Fennel leaves | Foeniculum vulgare | 9238.6a
(100) |
10128a
(109) |
9970a
(107) |
13362b
(144) |
| 6 | Fenugreek leaves | Trigonella foenum-graecum | 3409.6a
(100) |
3919b
(114) |
4799c
(140) |
5429d
(159) |
| 7 | Purslane leaves | Portulaca oleracea | 2863.3a
(100) |
4327b
(151) |
4800c
(167) |
4030b
(140) |
| 8 | Gogu | Hibiscus cannabinus | 5254.0 (100) |
7274 (138) |
6921 (131) |
7107 (135) |
| 9 | Mint | Mentha spicata | 27827.6a
(100) |
42562b
(152) |
48909b,c
(175) |
50401c
(181) |
| 10 | Ponnaganti | Alternanthera sessilis | 5068.3 (100) |
4280 (84) |
4837 (95) |
4327 (85) |
| 11 | Spinach | Spinacia oleracea | 1380.6a
(100) |
3196b
(231) |
3471b
(251) |
3502b
(253) |
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.