GC-MS Based Metabolite Profiling, Antioxidant and Antimicrobial Properties of Different Solvent Extracts of Malaysian Plectranthus amboinicus Leaves

Table 4

GC-MS profile of different solvent extracts of P. amboinicus leaves.

S. number	Name of the compound	Peak number	R. time	Peak area (%)
Methanol extract
(1)	Butanoic acid, methyl ester	2	03.14	00.35
(2)	5-Methoxypyrrolidin-2-one	3	19.69	00.72
(3)	(−)-Loliolide	5	45.52	02.15
(4)	Neophytadiene	7	46.75	00.81
(5)	2-Pentadecanone, 6,10,14-trimethyl-	8	47.11	03.01
(6)	1-Decanol, 2-hexyl-	9	49.84	00.49
(7)	n-Hexadecanoic acid	10	51.46	04.97
(8)	Methyl (Z)-5,11,14,17-eicosatetraenoate	12	55.93	00.50
(9)	Phytol	13	56.13	03.30
(10)	Phytol, acetate	15	59.30	00.61
(11)	Octanoic acid, 2-dimethylaminoethyl ester	17	61.48	00.39
(12)	Carbonic acid, 2-dimethylaminoethyl isobutyl ester	19	66.60	00.51
(13)	Di-n-octyl phthalate	21	68.59	00.66
(14)	Tetrapentacontane	24	72.63	11.32
(15)	Pentacosane	27	75.78	07.88
(16)	Triacontane	28	80.93	02.60
(17)	Tetracontane	31	83.42	16.67
(18)	Squalane	35	86.54	01.73
(19)	Methyl commate A	38	91.08	01.96
Acetone extract
(20)	9,12-Octadecadienoyl chloride, (Z,Z)-	3	55.93	00.63
(21)	Phytol	4	56.15	12.95
(22)	Glycerol 1-palmitate	6	68.25	01.73
(23)	Di-n-octyl phthalate	7	68.62	00.47
(24)	(2,3-Diphenylcyclopropyl) methyl phenyl sulfoxide	8	69.07	00.93
(25)	Nerolidol propionate	11	70.88	02.76
(26)	Squalene	14	75.454	15.64
(27)	Nonacosane	15	77.45	01.01
(28)	2,2,4-Trimethyl-3-(3,8,12,16-tetramethyl-heptadeca-3,7,11,15-tetraenyl)-cyclohexanol	16	78.34	00.86
(29)	Hentriacontane	17	81.98	03.37
(30)	β-Amyrin	25	89.50	05.34
Hexane extract
(31)	Benzene, 1-methyl-3-(1-methylethyl)-	1	11.91	00.49
(32)	γ-Terpinene	2	13.37	01.03
(33)	trans Sabinene hydrate	3	14.04	00.66
(34)	Carvacrol	4	25.32	37.73
(35)	trans-caryophyllene	5	30.40	07.37
(36)	α-Humulene	7	32.03	02.15
(37)	Caryophyllene oxide	8	37.59	01.00
(38)	Phytol	9	56.13	03.19
(39)	Squalene	10	75.43	04.75
(40)	Pentacosane	11	81.95	00.86
(41)	Stigmasterol	13	86.25	01.29
(42)	Tetratriacontane	14	86.57	08.80
(43)	Hexatriacontane	16	88.57	01.02
(44)	α-Amyrin	18	91.07	01.53
(45)	Hexatriacontane	19	91.33	01.47
(46)	Tetrapentacontane	20	92.76	13.77