Hand Sanitizer with Pineapple Peel Extract as Antibacterial against Staphylococcus aureus and Escherichia coli
Pineapple peel usually just thrown away as waste. According to some research in pineapple peel contains many active subtances were effectively kills bacteria. Phytochemical test shows a positive result that pineapple peel extract contains flavonoids, tannins and saponins. Analysis using UV-Vis spectrophotometer and FTIR showed that the extract contains derivative of dihidroflavonon. In this research, pineapple peel extract is applied as hand sanitizer, then tested the antibacterial activity against Escherichia coli and Staphylococcus aureus. Test results showed that hand sanitizer at contrencation of 0,5%, 1% and 1,5% pineapple peel extract can kills bacteria. Optimum activity against bacteria reached at 1,5% formulation, that is 15 mm for Escherichia coli and 15,5 mm for Staphylococcus aureus. Moreover, all formulation meet the quality standards and pass the organoleptic test, pH, homogeneity and dispersive power.