Sataporn Direkbusarakom, Somporn Runngkammerdwong, Ungkana Hiransali, Lila Ruangpan-1996
Abstract:
Sixteen kinds of Thai herbs: Ocimum sanctum (Red), O. sanctum (White), Cassia alata, Tinospora cordifolia, Eclipta alba, Tinospora crispa, Psidium guajava, Clinacanthus nutans, Andrographis panniculata, Momordica charantina, Phyllanthus reticulatus, Phyllanthus pulcher, Phyllanthus acidus, Phyllanthus amarus, Phyllanthus debelis and Phyllanthus urinaria, were tested for their antibacterial efficacy against strains of Vibrio spp. isolated from diseased shrimp using plate dilution method. Eleven species of the tested herbs showed antibacterial activity, however only two species (P. guajava and M. charantina) produced a significant inhibitory effect against Vibrio spp. Minimal inhibitory concentration of P. guajava was 0.625 mg/ml while M. charantina was 1.25 mg/ml.
(National Institute of Coastal Aquaculture, Kaoseng, Songkhla 90000, Thailand)