Table 5.

Major bioactive compounds identified in ethyl acetate extract of rainy season leaves of P. integrifolia using UPLC-MS/MS in + ve ion mode

Peak No.	RT(min)	Tentative identification	Element Composition	M.W. (Da)	Ion (m/z)	Structure	Class	Reported activity	References
1	12.9	Quercetin-3-D-xyloside	C20H18	434.35	256		Flavonoid	Hepatoprotective	Choi et al. (2011)
2	15.6	Kaempferol-3,7-O-bis-alpha-L-rhamnoside	C27H30O14	578.51	284		Flavonoid	Hepatoprotective	Wang et al. (2015)
3	1.33	Isorhamnetin-3-O-glucoside	C22H22	478.40	317		Flavonoid	Hepatoprotective, antiadipogenesis	Igarashi et al. (2008)
4	4.34	Luteolin-3',7-di-O-glucoside	C27H30	610.51	149		Flavonoid	Anticancer	López-Lázaro (2009)
5	10.05	Eriodictyol-7-O-glucoside	C21H22	450.39	872		Flavonoid	Hepatoprotective and anticytotoxic	Hu et al. (2012)
6	13.20	Syringetin-3-O-galactoside	C23H24	508.42	359		Flavonoid	Antiproliferative	Gómez-Alonso et al. (2012; Wu et al. (2012)
7	15.89	Petunidin-3-O-beta-glucopyranoside	C22H23	479.41	329		Flavonoid	Antioxidant	Kähkönen and Heinonen (2003)
8	16.37	Vitexin-2''-O-rhamnoside	C27H30	578.51	425		Flavonoid	Hepatoprotective,antiadipogenesis and antitumor	Igarashi et al. (2008)