Antioxidant and α-Glucosidase Inhibitory Activities Guided Isolation and Identification of Components from Mango Seed Kernel

Table 2

Phytochemical components of the petroleum ether fraction of mango seed kernel using GC-MS.

Components	Retention time (min)	Molecular formula	Chemical structure inferred by NIST14 and NIST14s	Compound name	Integrated peak area	Relative contents (%)
S1	3.32	C8H10		1,4-Dimethylbenzene,; 1,2-Dimethylbenzene,; 1,3-Dimethylbenzene	61583	0.02
S2	14.23	C15H32		5-Methyltetradecane	113842	0.03
S3	20.27	C20H42		Eicosane	145274	0.04
S4	20.81	C14H22O		2,4-Bis(1,1-dimethylethyl)phenol, 2,5-bis(1,1-dimethylethyl)phenol, 2,6-bis(1,1-dimethylethyl)phenol, 3,5-bis(1,1-dimethylethyl)phenol	353443	0.09
S5	22.81	C12H26O2		Decanal dimethyl acetal	85855	0.02
S6	25.56	C15H30O2		Methyl tetradecanoate, 12-methyl-tridecanoic acid methyl ester	490546	0.13
S7	27.67	C16H32O2		Methyl 13-methyltetradecanoate, pentadecanoic acid methyl ester, methyl 9-methyltetradecanoate	123499	0.03
S8	29.27	C17H32O2		(Z)-9-hexadecenoic acid methyl ester; (E)-9-hexadecenoic acid methyl ester......................	312468	0.08
S9	29.68	C17H34O2		Hexadecanoic acid methyl ester, methyl 14-methylpentadecanoate	39719527	10.30
S10	30.10	C18H28O3		3,5-Bis(1,1-dimethylethyl); Benzene propanoic acid methyl ester	73620	0.02
S11	31.08	C18H36O2		Hexadecanoic acid ethyl ester	1650498	0.43
S12	33.73	C19H34O2		(10E,12Z)-10,12-octadecadienoic acid methyl ester, (9Z,12Z)-9,12-octadecadienoic acid methyl ester, (8E,11E)-8,11-octadecadienoic acid methyl ester, (9Z,11E)-9,11-octadecadienoic acid methyl ester	35910705	9.31
S13	34.07	C19H36O2		(E)-9-octadecenoic acid methyl ester, (E)-8-octadecenoic acid methyl ester, (E)-11-octadecenoic acid methyl ester, (Z)-9-octadecenoic acid methyl ester	150909725	39.11
S14	34.67	C19H38O2		Octadecanoic acid methyl ester, 16-methyl-heptadecanoic acid methyl ester	91261893	23.67
S15	35.72	C20H36O2		Linoleic acid ethyl ester, (9E,12E)-9,12-octadecadienoic acid ethyl ester	804755	0.21
S16	35.89	C20H38O2		(E)-9-octadecenoic acid ethyl ester, (Z)-9-octadecenoic acid ethyl ester	4489705	1.16
S17	36.70	C20H40O2		Octadecanoic acid ethyl ester, 17-methyl-octadecanoic acid methyl ester	2894869	0.75
S18	41.07	C21H42O2		Methyl 18-methylnonadecanoate, eicosanoic acid methyl ester	4768435	1.24
S19	42.23	C18H35NO		(Z)-9-octadecenamide	4999183	1.30
S20	51.10	C23H36O		3-((4Z,7Z)-heptadeca-4,7-dien-1-yl)phenol	1057168	0.27
S21	51.36	C23H38O		(Z)-3-(heptadec-10-en-1-yl)phenol	5704580	1.48
S22	52.02	C21H42O4		Octadecanoic acid, 2,3-dihydroxypropyl ester	783622	0.20
S23	52.30	C25H50O2		Tetracosanoic acid methyl ester	1027137	0.27