Cytotoxicity of methanolic extract of Swertia petiolata against gastric cancer cell line SNU- 5 is via induction of apoptosis ⁎ Author He, Qun-Ying Author Wang, Rui Author Sun, X-Cai text South African Journal of Botany 2017 2017-03-31 109 10 196 202 http://dx.doi.org/10.1016/j.sajb.2017.01.004 journal article 10.1016/j.sajb.2017.01.004 1727-9321 14036611

Table 2 LC–MS identification of major constituents of methanolic extract of Swertia petiolata. The retention time peak numbers are as per Fig. 6.

Peak no.	Retention time (minutes)	M-H	M + H	Molecular weight	Compound
1	7.6	355	–	354	Chlorogenic acid
2	9.9	163	165	164	p -Coumaric acid
3	11.2	–	455	456	Ursolic acid
4	12.4	–	465	464	Myrecetin 3- O -rahamnoside
5	15.1	326	–	327	Unidentified
6	15.9	433	435	434	Quercetin 3-arabinoside
7	18.5	447	–	448	Kaempherol 3- O -glucoside
8	21.3	271	273	272	Naringenin
9	22.4	269	–	270	Genistein
10	26.2	315	–	316	Isorhamnetin
11	28.7	287	289	288	Swerchirin