Table 2.

Various extraction methods used to isolate phytochemicals from different plant parts of H. bonariensis

Plant part	Extraction method	Phytochemicals	Quantity	References
Leaf	100% aqueous	Tannic acid	0.38 µ mol−1	Marino et al. (2009)
Leaf	100% aqueous	Flavonoids	3.32 mg/g DW	Sumazian et al. (2010)
		Phenols	9.3 mg/g DW
		Ascorbic acid	0.70 mg/g FW
Root	70% aqueous methanol	Saponins	Not determined	Tabopda et al. (2012)
Leaf	70% aqueous methanol	Phenols	28.6 mg GAE/100 g DW	Maulidiani et al. (2014)
		Flavonoids	0.759 mg/100 g of extract
		Triterpenes glycosides	Not determined
Leaf	Hexane	Saponins	47.20 ± 1.600% FW	Obaseki et al. (2016)
		Phenols	1.07 ± 0.003 mg(GE)/g
		Flavonoids	1.36 ± 0.042 mg(QE)/g
		Tannins	18.74 ± 0.050% FW
		Terpenoids	Not determined
		Sterols	Not determined
Leaf	Ethylacetate: methanol	Flavonoids (quercetin)	Not determined	Ajani et al. (2017)

FW Fresh weight, DW Dry weight