| lemon juice as a natural biocide for disinfecting drinking water. | the natural biocidal activity of lemon juice was studied in order to explore its possible use as a disinfectant and inhibitor of vibrio cholerae in drinking water for areas lacking water treatment plants. from january through july 1993, water samples of varying alkalinity and hardness were prepared artificially, and underground and surface water samples were obtained from a number of different rural and urban areas in argentina's buenos aires province. after measuring the latter samples' hardnes ... | 1994 | 7858646 |