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Indian Forester, Vol 115, No 4 (1989), Pagination: 264-267
Abstract
The essential oil obtained from the leaves of newly evolved Eucalyptus hybrid FRI-5 as such and at varied dilutions viz., 1: 100, 1 : 250, 1 : 500 and 1 : 1000 bas been tested for its antimicrobial activity in-vitro against eight bacteria viz., Bacillus mycoides, B. pumilus, Escherichia coli, Proteus vulgaris, Salmonella paratyphii, Sarcina lutea, Shigella nigesta, Staphylococcus aureus and six fungi viz., Aspergillus niger, Candida albicans, Epidermophyton rubrum, Malbranchea pulchella, microsporum, gypseum, Penicillium notatum. The present investigations indicate that the Eucalyptus hybrid FRI-5 essential oil has potent antifungal as well as antibacterial efficacy being maximum when it is undiluted. The activity decreases as the dilution increase. Even at dilution of 1 : 1000) tbe oil bas been found active against all the test organisms.