Screening for Antibacterial Properties of Some Plants and Chemical Antibiotic Against Two Isolates of Escherichia coli from Diarrhea Calves in Indonesia
Abstract
Plants used in factory medicine of Indonesian native people were collected. Ethanol extract and powder were prepared and evaluated in a test against two isolates of Escherichia coli from herbal plants mahkota dewa (Phaleria macrocarpa), daun sembukan (Paederiafoetida), daun sirih/betel vine (Piper betle), kencur/greater galingale (Kaempferia galangal), garlic (Allium sativum) andjinten hitam (Nigel/a saliva). The results showed anti E.coli activity at 20% concentration with the most active plants with diameter of inhibition zones of 15 mm (Allium sativum) powder, 11 mm (Piper betle) extract and 14 mm (Nigel/a sativa) extract. Extract Paederiafoetida and extract Phaleria macrocarpa had no inhibition effects. The two E. coli isolates were sensitive to chloramphenicol at 30 μg.
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