Bioassay-guided discovery of antibacterial agents: in vitro screening of Peperomia vulcanica, Peperomia fernandopoioana and Scleria striatinux

Table 3 Susceptibility of S. aureus to Okundoperoxide and standard antibiotics

Bacterial isolates	Zone of inhibition (mm) (% Efficacy of Okundoperoxide)
Bacterial isolates	GEN	COL	ERY	AMP	VAN	OKP
S. aureus (path)	28	14	27	31	21	19
Sensitive strain	(67.86%)	(135.71%)	(70.37%)	(61.29%)	(90.48%)
S. aureus	28*	14	24*	14*	00	10*
Resistant strain	(35.71%)	(71.42%)	(41.66)	(71.42%)	(> > 100%)

GEN=Gentamycin (1 μg), COL=Colistin (10 μg), ERY=Erythromycin (15 μg), AMP=Ampicillin (10 μg), VAN=Vancomycin (30 μg), OKP = Okundoperoxide, isolated from S. striatinux (500 μg/disc) * = unclear zone of inhibition.

ISSN: 1476-0711