Antimicrobial activities of Oscillatoria curviceps extracts
Methanol, chloroform and ethanol extracts of O. curviceps caused
growth inhibition of Lactobacillus sp., P. anguilliseptica and A.
hydrophila, respectively. The inhibition zone varied according on
the type of extract from organism to organism. The extract of
Oscillatoria exerted no effect on Saprolegnia parasitica (Table 3).
Chloroform extract of O. curviceps had inhibition zones 14, 10,
10, and 6 mm in diameter with P. anguilliseptica, P. fluorescens,
A. hydrophila and Lactobacillus sp., respectively (Table 3). The
highest growth inhibition was attained with chloroform extract of
O. curviceps against S. parasitica.