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

Table 1

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

Number	R. time	Compound name	(%)
1	16.14	Hexadecanoic acid methyl ester (palmitic acid methyl ester)	6.51
2	16.39	9-Hexadecenoic acid methyl ester (Z)-(palmitoleic acid methyl ester)	0.33
3	17.99	Octadecanoic acid methyl ester (stearic acid methyl ester)	2.87
4	18.18	10-Octadecenoic acid methyl ester (stearic acid methyl ester)	20.04
5	18.59	9,12-Octadecadienoic acid methyl ester (linoleic acid methyl ester)	12.43
6	21.81	n-Hexadecanoic acid (palmitic acid)	10.10
7	24.44	Octadecanoic acid (stearic acid)	2.11
8	24.99	9-Hexadecenoic acid (palmitoleic acid)	28.31
9	25.95	9,12-Octadecadienoic acid (Z,Z)-(linoleic acid)	17.30