Table 2.

Phenolic constituents of aqueous extract of Gelidium pristoides.

Peak No	Compound	RT	[M + H] +m/z	MS/MS fragment ions m/z
4	Vanillic acid	2.55	166.08	103.05
8	Vulgaxanthin I	15.07	340.25	308.24
9	Epicatechin-3 glucoside	16.45	453.33	343.23
13	Syringic acid	19.87	196.13	108.04
14	Luteoliflavan	22.03	274.27	256.25
15	Catechin	22.25	290.26	242.24
16	3,7-Dimethyl quercetin	23.23	331.24	278.21
29	Biochanin A	33.32	284.29	–
30	3,5,7-trimethoxy flavone	35.52	312.32	186.19

RT: Retention time.