PURE Bioscience Receives USDA No Objection Letter for Use of SDC-Based PURE ControlA Antimicrobial in Poultry Processing for Pre-OLR and Post Chill Applications PURE Bioscience, Inc. , creator of the patented silver dihydrogen citrate antimicrobial, today announced that it received a "No Objection Letter" from the USDA's Food Safety and Inspection Service granting approval for SDC-based PURE Control to be used as a spray or dip applied to poultry carcasses, parts and organs in pre-OLR and post chill processing of fresh poultry. PURE Control will be listed in FSIS' Directive 7120.1, "Safe and Suitable Ingredients Used in the Production of Meat, Poultry and Egg Products" in the next scheduled revision.