Purslane Weed (Portulaca oleracea): A Prospective Plant Source of Nutrition, Omega-3 Fatty Acid, and Antioxidant Attributes

Table 3

Composition of selected fatty acids in purslane (Portulaca oleracea) (% of total FA)^a.

Omara-Alwala et al., 1991 [22]				Simopoulos and Salem, 1986 [10]
Fatty acid	Leaf	Stem	Whole plant	Whole plant
18.3-omega-3	41.4–66.4	2.4–5.9	28.4–42.5	47.6
20.5-omega-3	0.8–12.6	18.6–35.5	6.4–21.5	0.1
22.3-omega-3	1.4–3.3	trace	1.0–3.0	—
22.6-omega-3	0.3–6.4	trace	0.6–5.6	—

aResults from Omara-Alwala et al., 1991 [22], and Simopoulos and Salem, 1986 [10], expressed as mg of FA per kg or g of net weight.