Review Article

Ethnopharmacological Significance of Eclipta alba (L.) Hassk. (Asteraceae)

Table 2

Reported phytoconstituents of E. alba [2, 68].

Nature of phytoconstituent(s)Phytoconstituent(s)

CoumestanWedelolactone, demethylwedelolactone, demethylwedelolactone-7-glucoside

Terpenoids and their glycosidesEclalbasaponins VII–X (taraxastane triterpene glycosides), eclalbasaponins I–VI (oleanane triterpene glycosides), eclalbosaponins I–VI (triterpene glycosides), ecliptasaponins C and D (triterpenoid glucosides), -amyrin, oleanolic acid, ursolic acid (triterpenoids)

SterolStigmasterol, daucosterol, stigmasterol-3-O-glucoside

Alkaloids[(20S)(25S)-22,26-imino-cholesta-5,22(N)-dien-3-ol] (verazine), [20-epi-3-dehydroxy-3-oxo-5,6-dihydro-4,5-dehydroverazine], [(20R)-20-pyridyl-cholesta-5-ene-3,23-diol] (ecliptalbine), [(20R)-4-hydroxyverazine], [4-hydroxyverazine], [(20R)-25-hydroxyverazine], [25-hydroxyverazine]

FlavonoidsLuteolin-7-glucoside, luteolin, apigenin, orobol (isoluteolin)

Sesquiterpene lactones5-hydroxymethyl-(2,2′:5′,2′′)-terthienyl tiglate, 5-hydroxymethyl-(2,2′:5′,2′′)-terthienyl agelate, 5-hydroxymethyl-(2,2′:5′,2′′)-terthienyl acetate

Terthienyl aldehydeEcliptal

Fatty alcoholsHentriacontanol, heptacosanol

Volatile oilsHeptadecane, 6,10,14-trimethyl-2-pentadecanone, n-hexadecanoic acid, pentadecane, eudesma-4(14),11-diene, phytol, octadec-9-enoic ecid, 1,2-benzenediacarboxylic acid diisooctyl ester, (Z,Z)-9,12-octadecadienoic acid, (Z)-7,11-dimethyl-3-methylene-1,6,10-dodecatriene, (Z,Z,Z)-1,5,9,9-tetramethyl-1,4,7-cycloundecatriene

SaponinsEclalbatin (triterpene saponin), dasyscyphin C

Polyacetylinic compounds-Terthienylmethanol, polyacetylenes, polyacetylene substituted thiophenes

Phenolic acidsProtocatechuic acid, 4-hydroxy benzoic acid