Abe Jun F. Clarito, Gynette Pearl M. Templonuevo, ( February 2000 )
Philippine Science High School Western Visayas Campus – Department of Science and Technology (DOST-PSHS WVC), Brgy. Bito-on, Jaro, Iloilo City 5000, Philippines
ABSTRACT
Experiment were conducted to determine if the leaf extracts of aloe vera, hierba buena, kamote, and alcohol on E. coli. Filter paper disc were soaked in the leaf extracts and in alcohol. Then these discs were applied to the culture plates, which were incubated within 15 minutes aerobically and without carbon dioxide for 24 hours. The results were analyzed using the One Way Analysis of Variance (ANOVA) as inferential statistical tool was set at 0.05 alpha level of significance. It was found out that there are no significant difference in the antibacterial activity of aloe vera, hierba buena, kamote and alcohol upon E.coli