Table 2. Flavonoids isolated from A. venetum between 2012 to 2022.

Class	Compound identified	Bioactivity	Plant part isolated from	Reference
Flavonols	Tamarixetin		70% methanol extract in A. venetum leaves	Gao et al. (2019), Yan et al. (2016)
	Isorhamnetin		95% ethanol extract in A. venetum leaves	Huang et al. (2017)
	4′-hydroxy-7-O-(4-hydroxybenzyl)-3-methoxy-6-prenylflavone	anti-inflammatory	The ethyl acetate -soluble extract of the leaves of A. venetum	Fu et al. (2022)
	Myricetin		75% ethanol extract in A. venetum leaves	Zhang et al. (2022)
Flavones	Luteolin	antidepressant	70% methanol extract in A. venetum leaves	Gao et al. (2019)
	Isoorientin			Gao et al. (2019)
	Apigenin			Gao et al. (2019)
	Acacetin			Gao et al. (2019)
	Acacetin-7-O-rutinoside			Gao et al. (2019)
	Chrysoeriol-7-O-glucoside			Gao et al. (2019)
	Chrysoeriol	anti-inflammatory	The ethyl acetate -soluble extract of the leaves of A. venetum.	Fu et al. (2022)
	6,7-dimethoxy-4′-hydroxy-8-formylflavone	anti-inflammatory		Fu et al. (2022)
	4′,7-dihydroxy-8-formyl-6-methoxyflavone	anti-inflammatory		Fu et al. (2022)
Flavonones	Hesperidin		70% methanol extract in A. venetum leaves	Gao et al. (2019)
	Neocarthamin			Gao et al. (2019)
	Bavachin	anti-inflammatory	The ethyl acetate -soluble extract of the leaves of A. venetum.	Fu et al. (2022)
Flavonol glycosides	Kaempferol-3-O-(6″-O-malonyl)- galactoside		70% ethanol extract in A. venetum leaves	An et al. (2013)
	Kaempferol-3-O-(6″-O-malonyl)- glucoside			An et al. (2013)
	Eriodictyol-7-O-glucoside		70% ethanol extract in A. venetum leaves	Zhao et al. (2014)
	Quercetin-3-O-sophoroside		83% methanol extract in A. venetum leaves	Wang et al. (2020)
Flavan-3-ols	Plumbocatechin A	radical-scavenging activity	The ethyl acetate fraction of the methanol extract	Kong et al. (2014)
Isoflavones	8-O-methylretusin	antifouling activities		Kong et al. (2014)
Anthocyanidins	Delphinidin		70% methanol extract in A. venetum leaves	Gao et al. (2019)
	Pelargonidin			Gao et al. (2019)
	Malvidin			Gao et al. (2019)
	Peonidin			Gao et al. (2019)
	Cyanidin			Gao et al. (2019)
Proanthocyanidins	Procyanidin c1			Gao et al. (2019)
	Procyanidin			Gao et al. (2019)
Chalcones	Carthamin			Gao et al. (2019)