Class

Compounds

Parts used

Extraction solvents

Ref.

Diphenol

Hydroquinone

Leaves

Ethyl acetate

[15]

Triphenol

Pyrogallol

Whole plant

Methanol

[16]

Phenolic acids

Galloylquinic acid

Leaves

[17]

Ferulic acid and Gallic acid

Aeral part

Methanol

[18]

Caffeic acid

Aerial parts

Methanol

[12] [19]

O-coumaric acid

Leaves

Ethyl acetate

[15]

Hydroxyl cinnamic acid

Leaves

Water

[20]

Chebulic acids and Brevifolincarboxylic acid

Aerial parts

Ethanol extract

[21]

Flavonoids

Quercetin

Stems

80% hot methanol

[22]

Whole plant

Acetone-water (7:3)

[13]

Leaves

Hydroalcoholic

[23]

Quercetrin

Aeral part

Methanol

[18] [24]

Whole plant

Methanol, ethanol

[25] [26] [27]

whole plant

50% ethanol/methanol

[28]

Afzelin and Myricitrin

Aerial parts

Methanol and 50% ethanol/methanol

[24] [28]

3',4'-Dimethoxyquercetin, Hirtacoumaroflavonoside and

Hirtaflavonoside-B

Whole plant

Methanol

[27]

Rutin

Whole plant

Ethanol

[29]

Cyanidin 3,5-O-diglucoside and Pelargonidin 3,5-diglucoside

[30]

Rhamnetin

Aeral part

Methanol

[18]

Pinocembrin and Isorhamnetin

Aerial part

85% ethanol

[31]

kaempferol

Stems

80% hot methanol

[22]

Epicatechin 3-gallate

Aerial parts

Methanol

[12] [19]

Euphorbianin

[32]

Tannins

Euphorbin C

[33]

Terpenoids

α-amyrine

Stems

CH2Cl2

[34]

β-amyrine

Whole plant

Ethanol

[35]

Aerial parts

n-Hexane

[36]

Taraxerol

Stems

CH2Cl2, ethanol

[34] [37]

Taraxerone and 11α, 12α-oxidotaraxerol

Whole plant

Petroleum ether

[14]

24-methyl encycloartenol and β-sitosterol

Aerial parts

n-hexane

[36]

24-hydroperoxycycloart-25-en-3β-ol and

25-hydroperoxycycloart-23-en-3β-ol

Stems, roots and leaves

CH2Cl2

[34]

Hirtin

Latex

[38]

Hydroxyphenylcarboxylic acid esters

Methyl-3-(3,5ditertbutyl-4-hydroxyphenyl) propionate

Leaves

Methanol

[39]