Antimicrobial Effects of a Lipophilic Fraction and Kaurenoic Acid Isolated from the Root Bark Extracts of Annona senegalensis

Table 4

Inhibition zone diameter (IZD) of the extract and fractions.

Organism	MME	HF	MF	EF	F1	AS2	CIP	GEN
B. subtilis	14.60±0.12	13.30±0.15	13.30±0.06	14.00±0.00	14.00±0.23	16.00±0.00	22.00±0.12	26.00±0.00
S. aureus	14.20±0.42	12.30±0.35	+	10.50±0.17	10.33±0.06	17.00±0.00	28.00±0.00	26.00±0.00
P. aeruginosa	13.00±0.00	+	+	+	11.40±0.31	+	25.00±0.00	22.00±0.12
S. paratyphi	12.60±0.20	+	+	+	+	+	25.00±0.30	20.00±0.00
E. coli	+	+	+	+	+	+	NA	NA
A. niger	+	+	+	+	+	+	NA	NA
C. albicans	+	+	+	+	+	+	NA	NA

Values in mm, are mean ± SEM (ANOVA, Dunnet its post hoc); 𝑛=3; ⁺: no growth or no activity; concentration of AS2 = 50 mg/mL; CIP & GEN: 40 μg/mL while others are 100 mg/mL. CIP: ciprofloxacin, GEN: gentamicin, NA = not applicable.