SAN DIEGO, Calif.--(BUSINESS WIRE)--PURE Bioscience (OTCBB: PURE) today announced the launch of PureGreen24™, a silver dihydrogen citrate (SDC)-based disinfectant distributed as a private label brand by Pure Green, LLC. Under the terms of the distribution agreement, PURE will blend and bottle its patented SDC-based hard surface disinfectant for Pure Green.