Portulaca oleracea is an annual herb of Portulaceae. Five compounds were isolated from 70% ethanol extract of Portulaca oleracea and identified as purslane amide A, purslane amide B, purslane amide E, hesperidin and caffeic acid, respectively.
Purslane contains norepinephrine, a large amount of potassium salt, dopa, dopamine, betaine, isolabetin, beet formula, isolabetin, oxalic acid, malic acid, citric acid, glutamic acid, aspartic acid, alanine, glucose, fructose, sucrose, etc.