GC-MS Analysis and Inhibitory Evaluation of Terminalia catappa Leaf Extracts on Major Enzymes Linked to Diabetes

Table 2

GC-MS identified phytochemicals present in T. catappa ethanolic leaf extract.

Peak no.	Compound name	Retention time (min)	Area (%)	Molecular weight (g/mol)	Formula	Classification of compound
1	2-Furancarboxaldehyde, 5-methyl-	7.227	0.05	110.11	C6H6O2	Carbohydrate
2	4H-Pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl-	10.034	0.54	144.12	C6H8O4	Phenolics
3	2,5-Dimethyl-1-hepten-4-ol	10.839	0.1	142.24	C9H18O	Terpene
4	Benzofuran, 2,3-dihydro-	11.084	0.61	120.15	C8H8O	Phenolics
5	Cyclopentanol, 1-(1-methylene-2-propenyl)-	11.235	0.24	138.21	C9H14O	Terpene
6	2-Methoxy-4-vinylphenol	12.326	0.2	150.17	C9H10O2	Phenolics
7	7-Oxabicyclo[4.1.0]heptane, 1,5-dimethyl-	12.417	0.08	126.20	C8H14O	Phenolics
8	1-Tetradecanol	13.133	0.09	214.39	C14H30O	Fatty acid
9	cis-Z-α-Bisabolene epoxide	13.6	0.07	220.35	C15H24O	Terpenoid
10	2-(3,3-Dimethyl-but-1-ynyl)-1,1-dimethyl-3-methylene-cyclopropane	13.673	0.1	162.27	C12H18	Hydrocarbon
11	Phenol, 2,6-bis(1,1-dimethylethyl)-	14.429	0.35	206.32	C14H22O	Phenolics
12	2(4H)-Benzofuranone, 5,6,7,7a-tetrahydro-4,4,7a-trimethyl-, (R)-	14.851	0.15	180.24	C11H16O2	Phenolics
13	10-Heneicosene (c,t)	15.143	0.33	294.60	C21H42	Hydrocarbon
14	Ethyl-α-D-glucopyranoside	15.863	10.38	208.21	C8H16O8	Carbohydrate
15	6-Methyl-cyclodec-5-enol	16.876	0.59	168.28	C11H20O	Phenolics
16, 17	Phytol, acetate	17.09	6.92	338.60	C22H42O2	Terpenoid
20	9-Octadecene, 1-methoxy-, (E)-	17.88	0.25	282.50	C19H38O	Hydrocarbon
21	n-Hexadecanoic acid	18.072	8.95	256.43	C16H32O2	Fatty acid
22	Hexadecanoic acid, ethyl ester	18.172	6.83	284.50	C18H36O2	Fatty acid ethyl ester
23	Vitamin E	18.478	6.25	430.70	C29H50O2	Terpenoid
18, 19, 24	Phytol	18.985	29.54	296.50	C20H40O	Phytosterol
25	9,12-Octadecadienoic acid (Z,Z)-	19.257	2.46	280.40	C18H32O2	Fatty acid
26	Oleic acid	19.293	17.1	282.50	C18H34O2	Fatty acid
27	4-Decenoic acid, ethyl ester, (Z)-	19.425	3.79	198.30	C12H22O2	Fatty acid ethyl ester