Antibacterial Activity Test of Extracts and Fractions of Cassava Leaves (Manihot esculenta Crantz) against Clinical Isolates of Staphylococcus epidermidis and Propionibacterium acnes Causing Acne

Table 5

Antibacterial activity fractions and ethanol extract of. cassava leaves to S. epidermidis and P. acnes clinical isolates.

Test material	Inhibition zone (cm)
	Concentration (%w/v)	Clinical isolate of S. epidermidis	Clinical isolate of P. acnes
The n-hexane fraction	10	—	1.46
Ethyl acetate fraction	10	1.46	1.97
Water fraction	10	—	—
Ethanol extract	10	1.27	1.45

The diameter of the capping hole = 0.9 cm.