Table 1.

Tentative identification of polyphenolics of S. yapa extract.

No.	Rt	[M−H]-	MS2 (m/z)	Tentatively Identified Compounds	References
1	1.47	191		Quinic acid	El-Hawary et al. (2020b)
2	2.21	133		Malic acid	Sobeh et al. (2017)
3	5.32	287	125, 241	Flavanol
4	11.33	137	93	p-hydroxybenzoic acid	Țigu et al. (2021)
5	14.16	353	191, 179	Chlorogenic acid	Țigu et al. (2021)
6	15.18	289	245, 205, 179	Epicatechin	Sobeh et al. (2017)
7	16.69	515	357, 405	Pinoresinol derivative
8	19.08	503	423, 305, 197	(epi)Gallocatechin phenylacetyl sulphate
9	21.13	289	245, 205, 179	Catechin	Sobeh et al. (2017)
10	21.67	449	287, 151, 135	Eriodictyol 7-O-glucoside	Kachlicki et al. (2008)
11	21.83	593	473, 413, 383, 353	Apigenin 6,8-di-C-glucoside (Vicenin-2)	Ahmed et al. (2019)
12	23.08	503	423, 305, 197	(epi)Gallocatechin phenylacetyl sulphate
13	24.70	643	563, 515, 443	Schaftoside sulphate*
14	25.78	563	503, 413, 383, 353	Apigenin 6-C-glucosyl-8-C-xyloside (Schaftoside)	Sun, et al. (2013)
15	26.53	527	447, 429, 357, 327	Orientin sulphate	Ahmed et al. (2019)
16	27.79	447	357, 327, 285	Luteolin 8-C-glucoside (Orientin)	Ahmed et al. (2019)
17	29.58	563	443, 383, 353	Apigenin 6,8-di-C-glucoside (Vicenin-1)	Ahmed et al. (2019)
18	31.08	431	431, 341, 311, 269	Apigenin 6-C-glucoside (Isovitexin)	Ahmed et al. (2019)
19	32.84	463	343, 327, 301	Quercetin 3-O-glucoside	Sobeh et al. (2017)
20	33.00	447	357, 327, 285	Luteolin 7-O-glucoside	Ahmed et al. (2019)
21	34.43	461	371, 341	Diosmentin 8-C-glucoside	Ahmed et al. (2019)
22	37.15	497	417	Naringenin rhamnoside sulphate	Kachlicki et al. (2008)
23	37.93	571	491, 329, 371	Tricin 7-O-glucoside-5-sulphate	Ahmed et al. (2019)
24	38.18	477	315, 271, 151	Isorhamnetin 3-O-glucoside	El-Hawary et al. (2020b)
25	39.91	491	371, 329	Tricin 7-O-glucoside	Ahmed et al. (2019)
26	41.46	737	657, 567, 495, 329	Tricin 4′-O-(erythro-β-4 hydroxyphenylglyceryl ether) 7-O-glucoside sulphate
27	42.86	767	687, 567, 525, 329	Tricin 4′-O-(erythro-β-4 guaiacylglyceryl ether) 7-O- glucoside sulphate	Ahmed et al. (2019)
29	43.29	767	687, 567, 525, 329	Tricin 4′-O-(threo-β-4 guaiacylglyceryl ether) 7-O- glucoside sulphate	Ahmed et al. (2019)
30	44.17	687	525, 329	Tricin 4′-O-(erythro-β-4 guaiacylglyceryl ether) 7-O-glucopyranoside
31	44.66	737	657, 567, 495, 329	Tricin 4′-O-(threo-β-4-hydroxyphenylglyceryl ether) 7-O-glucoside sulphate
32	46.59	687	525, 329	Tricin 4′-O-(threo-β-4 guaiacylglyceryl ether) 7-O-glucopyranoside
33	50.52	409	329, 311, 295	Tricin -O- sulphate*
34	58.59	329	314, 299, 285	Tricin	El-Hawary et al. (2020b)