Table 2.
Mineral content in spinach, kale, and purslane [10] (Mean ± SD; n = 3), dry weight.
| Spinach | Kale | Purslane | |
|---|---|---|---|
| Calcium (mg/100 g) | 803.33 ± 10.12 b | 1700.00 ± 20.0 c | 914.33 ± 17.95 a |
| Copper (mg/100 g) | 0.82 ± 0.00 b | 0.60 ± 0.01 c | 1.18 ± 0.02 a |
| Iron (mg/100 g) | 7.16 ± 0.03 b | 9.75 ± 0.07 c | 41.73 ± 0.67 a |
| Magnesium (mg/100 g) | 286.33 ± 8.96 b | 362.67 ± 2.08 c | 1266.67 ± 20.82 a |
| Manganese (mg/100 g) | 2.19 ± 0.01 b | 5.74 ± 0.04 c | 6.77 ± 0.12 a |
| Phosphorus (mg/100 g) | 290.67 ± 1.15 b | 549.00 ± 3.00 c | 281.67 ± 3.21 a |
| Potassium (mg/100 g) | 1503.33 ± 46.19 b | 4223.33 ± 75.06 c | 6400 ± 141.07 a |
| Sodium (mg/100 g) | 866.33 ± 6.51 b | 45.80 ± 0.92 c | 35.07 ± 1.72 a |
| Zinc (mg/100 g) | 5.17 ± 0.04 b | 3.35 ± 0.01 c | 6.62 ± 0.18 a |
| Selenium (µg/100 g) | <2.5 ± 0.00 b | 3.78 ± 0.05 c | 6.63 ± 0.20 a |
Note: Values followed by different letters denote significant difference at p < 0.05 for each analyte between spinach, kale, and purslane across rows; those followed by the same letters denote no significant difference.