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This study assessed the ability of Neem oil to disinfect an Escherichia coli isolate in pure laboratory-grade water and total and fecal coliform bacteria in two unfiltered surface waters. Neem oil doses as low as 2.13 g·L−1 with 5 min of mixing time achieved high levels of inactivation of the E. coli in pure laboratory-grade water (>99% inactivation). However, the disinfection of total and fecal coliforms in the unfiltered surface waters was variable and limited to |
