SAN DIEGO--(BUSINESS WIRE)--PURE Bioscience (NASDAQ: PURE), creator of the patented silver dihydrogen citrate (SDC) antimicrobial, yesterday reported in its quarterly investor call that High Scope Trading LLC of Dubai has contractually committed to PURE’s sales agent, Richmont Sciences, more than $144 million in orders over the next 10 years with an initial focus on sales of SDC-based IV-7 Water Treatment™.