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

Table 3

Antimicrobial compounds, retention times, and percentages of methanol leaf extract of Andrographis paniculata analyzed by a gas chromatography mass spectrometry.

Number	RT	Compound name	(%)
7	16.11	Hexadecanoic acid methyl ester (palmitic acid methyl ester)	24.64
9	16.54	9-Hexadecenoic acid methyl ester (Z)-(palmitoleic acid methyl ester)	1.04
12	17.04	Heptadecanoic acid methyl ester	1.22
15	17.96	Octadecanoic acid methyl ester (stearic acid methyl ester)	3.48
16	18.14	10-Octadecenoic acid methyl ester (stearic acid methyl ester)	9.75
17	18.55	9,12-Octadecadienoic acid methyl ester (linoleic acid methyl ester)	12.18
19	19.11	9,12,15-Octadecatrienoic acid methyl ester (Z,Z,Z)-	13.65
20	19.49	Phytol	9.92
21	19.68	Eicosanoic acid methyl ester	1.14
25	21.80	n-Hexadecanoic acid	5.46
27	24.27	Squalene	1.02
28	24.99	9-Hexadecenoic acid	5.27