Alpha-glucosidase inhibitory activities of astilbin contained in Bauhinia strychnifolia Craib. stems: an investigation by in silico and in vitro studies

Table 3 Compounds identified in the THF BC extract with negative electrospray ionization (ESI-) MS analysis

S.No	RT	Name of the compound	Molecular Formulae	m/z	Peak area (%)
1	2.626	2-Amino-3-methyl-1-butanol	C5H13NO	104	1.79
2	3.099	Methyl β-D-glucopyranoside	C7H14O6	195	8.98
3	3.51	6-(2-aminoethyl)benzene-1,2,3,4,5-pentol	C8H11NO5	202	2.91
4	9.063	2'',3''-Di-O-p-coumaroylafzelin	C39H32O14	725	0.79
5	10.155	ent-Epicatechin(4α- > 8)catechin	C30H26O12	579	0.60
6	10.434	Ent-epicatechin-(2α- > 7,4α- > 8)-epicatechin 3-galactoside	C36H34O17	739	1.38
7	10.898	Ent-epicatechin-(2α- > 7,4α- > 8)-epicatechin 3-galactoside	C36H34O17	739	1.34
8	11.213	3-O-β-D-Galactopyranosylproanthocyanidin A5'	C36H34O17	739	1.34
9	11.877	2-oxalobenzoic acid	C9H6O5	195	0.66
10	12.031	Prenyl caffeate	C14H16O4	249	0.95
11	12.143	Prenyl caffeate	C14H16O4	249	2.38
12	12.653	5,7,3′,5′-Tetrahydroxyflavanone	C15H12O7	305	3.61
13	12.898	5,7,3′,5′-Tetrahydroxyflavanone	C15H12O7	305	7.88
14	13.39	Quercetin	C15H10O7	303	16.22
15	13.918	Fustin	C15H12O6	289	3.16
16	14.339	Eriodictyol	C15H12O6	289	2.61
17	16.717	Fisetin	C15H10O6	287	1.84
18	17.295	C16 Spinganine	C16H35NO2	274	27.23
19	17.588	Hexosylsphingosine	C24H47NO8	478	0.56
20	18.661	Dehydrophytospingosine	C18H37NO3	316	0.34
21	19.356	Phytospingosine	C18H39NO3	318	1.16
22	20.643	Lauroyl diethanolamide	C16H33NO3	288	0.78
23	21.621	Coniferyl benzoate	C17H16O4	285	1.70
24	22.378	2',6'-Dihydroxy-4'-methoxy-3'-methyldihydrochalcone	C17H18O4	287	0.31
25	33.356	Tridodecylamine	C36H75N	522	1.62
26	34.975	dimethyldistearylamine	C38H79N	551	0.33

ISSN: 2662-7671