Many fruits and vegetables are being thrown in the garbage because some believed that these were just rubbish, but nowadays, fruits and vegetables may not be considered wastes anymore. Fruit and vegetables peel is known to be agro-waste, which is discarded into the environment. Instead of being used as a source of antimicrobials, environmentalists and researchers found ways on the antibacterial potential of some fruits and vegetable peels. The presence of important components that can be used for pharmacological or therapeutic purposes has also been discovered by unique peel studies. This study employed a quasi-experimental design (QED) in selected fruits and vegetables waste peel of Cabanatuan City Public Market to determine their antibacterial potential against Staphylococcus aureus ATTC 25923. Ethanolic extracts were tested for the antibacterial screening using disk diffusion assay. Visual assessment was used for the results of antibacterial potential such as the presence or absence of clear inhibition or halo around the paper disc. The results showed that peel extracts of Musa acuminate L.,
Mushroom had long been used for medical and food purposes. It is now recognized due to its contribution of the beneficial health effects to humans, in the form of vitamins, minerals, food and drugs, and medicines. This study was conducted to screen Pleurotus pulmonarius (Fr.) Quel for the presence of different mycochemicals: determine its nutritional content based and proximate analysis, and evaluate its antimicrobial activity. For the mycochemical screening, aqueous extract of the mushroom was used to determine the presence of alkaloids, cardiac glycosides, flavonoids, saponins, steroids, tannins and terpenoids. To determine the nutritional content, dried fruiting bodies of P. pulmonarius were analyzed based on the guidelines of the Association of Official Analytical Chemist (AOAC, 2002). Crude protein, crude carbohydrate, crude fat, crude fiber, ash and moisture content were evaluated. Mycelial disc of P. pulmonarius were used to evaluate its antimicrobial property against three microbial pathogens: Escherichia coli, Staphylococcus aureus and Candida albicans. Mycochemical screening results showed that aqueous extract of P. pulmonarius contains alkaloids, saponins, cardiac glycosides and terpenoids. However, tannins, steroids and flavonoids were not detected in the extract. The immobilized mycelial disc of P. pulmonarius has no antimicrobial property against the three microbial pathogens (E. coli, S. aureus and C. albicans). Results from proximate analysis showed that P. pulmonarius contains different amounts of crude protein, crude carbohydrates, crude fat, crude fiber, ash and moisture showing that P. pulmonarius is a nutritious mushroom that can be beneficial to humankind.
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