Table 3.
Antimicrobial activities of solvent fractions from black bamboo leaves

Fraction	Clear zone (mm)
	20 mg/disc	10 mg/disc	5 mg/disc	2.5 mg/disc
	A1)	-2)	-	-	-
B	12.6±0.553)	11.2±0.45b	-	-
E	-	22.6±0.89a	18.6±0.55	15.2±0.45
H	-	-	-	-

A: water fraction, B: n-butanol fraction, E: ethyl acetate fraction, H: n-hexane fraction.
Not detected
All values are expressed as mean±SD of triplicate determinations. Means with different superscripts in a same column are significantly different by Duncan s multiple range test (p<0.05).