Table 5.

Organic acid content in spinach, kale, and purslane [10] (Mean ± SD; n = 3), dry weight.

Organic Acids	Spinach	Kale	Purslane [10]
Malic acid (mg/100 g)	ND	6138 ± 19.25 a	1155.38 ± 10.72 b
Citric acid (mg/100 g)	1031.94 ± 29.42 a	4826.44 ± 22.55 b	510.08 ± 2.17 c
Oxalic acid (mg/100 g)	8387.47 ± 14.87 a	ND	6757.63 ± 12.83 b

Note: Values followed by different letters denote significant difference at p < 0.05 for each analyte between the spinach, kale, and purslane across rows; those followed by the same letters denote no significant difference.