December 2012
International Journal of Pharmacy & Pharmaceutical Sciences;Dec2012 Supplement 5, Vol. 4, p421
Academic Journal
Epiphyllum oxypetalum is a species of cactus and one of the most commonly grown of the Epiphyllum species. It is one of the under-utilized resources available in the tropical regions of the globe and can be used as a substitute for digitalis. The Shoshone Indian tribe calls the night blooming Cereus "Pain in the heart" and used it for heart pain. Scanty work was reported on the phytochemical properties of leaf extract and no documented research work was reported on its leaf and flower for assessment of nutritive value and antimicrobial properties. Thus, the present investigation was carried out to access the nutritive values, phytochemical constituents and antimicrobial potentials of leaf extracts. The nutritive values of plant showed significant presence of proteins (14 mg/g), fatty acids (4.6 mg/g), and vitamins (0.18 mg/g), while carbohydrates were found to be absent. Phytochemical analysis of Epiphyllum oxypetalum showed the presence of saponins, phenolic compounds, steroids, glycosides, tannins, terpenoids, and resins while reducing sugars, alkaloids, flavanoids, sterols, phlobatanins and acidic compounds were absent. Since reducing sugars are absent, plant leaf can be used as a diet supplement to diabetic patients. Assessment of antimicrobial properties was done by using three solvent systems, (Petroleum ether, Acetone and Ethanol). All solvent systems at different concentrations were evaluated for antibacterial and antifungal capacity against selected bacterial and fungal pathogens; Maximum zone of inhibition was exhibited by acetone and petroleum ether (14mm) leaf extracts for Escherichia coli, acetone (14mm) for Staphylococcus aureus, acetone (11mm) and ethanol (10mm) for Klebsiella pneumonia and petroleum ether (12mm) for Bacillus subtilis. All the three leaf extracts were found to be ineffective against fungal strains (Aspergillus niger, Aspergillus terreus, Aspergillus oryzae and Rhizopus oryzae) tested.


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