Antimicrobial Compounds from Leaf Extracts of Jatropha curcas, Psidium guajava, and Andrographis paniculata

Table 2

Antimicrobial compounds, retention times, and percentages of methanol leaf extract of Psidium guajava analyzed by a gas chromatography-mass spectrometry.

Number	RT	Compound name	(%)
60	24.27	Squalene	11.63
52	19.49	Phytol	10.30
2	8.98	Bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8-methylene-,[1R-(1Rα,4Z,9S)]	7.54
3	9.10	Azulene, 1,2,3,3A,4,5,6,7-octahydro-1,4-dimethyl-7-(1-methylethenyl)-, [1R-(1)]	5.19
22	14.73	Globulol	4.35
35	16.44	Hexadecenoic acid ethyl ester	3.58
19	14.32	1,6,10-Dodecatrien-3-ol, 3,7,11-trimethyl-, (Z)-	3.32
51	19.37	9,12,15-Octadecatrienoic acid methyl ester (Z,Z,Z)-	3.25
39	16.82	Tetracyclo[6.3.2.0(2,5).0(1,8)]tridecan-9-ol, 4,4-dimethyl-	3.02
58	21.73	n-Hexadecanoic acid	2.12
1	7.33	Copaene	1.97
8	11.15	Naphthalene, 1,2,4a,5,8,8a-hexahydro-4,7-dimethyl-1-(1-methylethyl), [1S-(1)]	1.96
41	17.16	Isoaromadendrene	1.93
63	28.01	Benzene	1.65
10	12.10	Naphthalene	1.64
49	18.82	Linoleic acid ethyl ester	1.60
43	17.51	Isoaromadendrene epoxide	1.48
47	18.43	Ethyl 9-octadecenoate (E)-	1.45
20	14.55	Cubenol	1.40
32	15.90	1-Naphthalenol, 1,2,3,4,4a,7,8,8a-octahydro-1,6-dimethyl-4-(1-methylethyl)-	1.38
56	20.83	4-Isopropenyl-4, 7-dimethyl-1-oxaspiro[2.5]octane	1.33
7	10.91	Cyclohexane, 1-ethenyl-1-methyl-2-(1-methylethenyl)-4-(1-methylethylidene)-	1.24
6	10.74	1H-Benzocycloheptene, 2,4a,5,6,7,8,9,9a-octahydro-3,5,5-trimethyl-9-methyle	1.23
61	27.19	9,12,15-Octadecatrienoic acid methyl ester (Z,Z,Z)-	1.19
18	14.08	Epiglobulol	1.15
59	22.66	4,4,8- Trimethylbicyclo [6.3.1.0(1,5)]dodecane-2,9-diol	1.11
45	18.12	Cyclopropanecarboxylic acid, 2,2-dimethyl-3(Z)-[.alpha.-(carboxymethyl)-ally]	1.10
4	9.65	Naphthalene1,2,3,4,4a,5,6,8a-octahydro-7-methyl-4-methylene-1-(1-methylet)-	1.09
5	10.01	.alpha.-Caryophyllene	1.01