Product Now in Use in 14 Additional Correctional Facilities TULSA, Okla., Feb. 8 /PRNewswire-FirstCall/ -- Enviroguard Technologies, LLC, distributors of Staph Attack(TM), a new hard surface disinfectant containing PURE Bioscience's (OTC:PURE) (BULLETIN BOARD: PURE) patented silver dihydrogen citrate, announced reports of outstanding success with the surface disinfectant that kills resistant forms of Staph. Tulsa County Jail reports that since the introduction of the product in August of last year, the jail has completely eliminated Staph infections, including MRSA, a resistant form of Staph. (Logo: http://www.newscom.com/cgi-bin/prnh/20060119/LATH060LOGO ) The jail, with its 1700 cells and more than 1500 inmates, had historically faced challenges with a resistant form of Staph known as Methicillin-resistant Staphylococcus Aureus (MRSA). Prior to use of the new disinfectant, the facility experienced, on average, 12 cases of Staph infection every month. According to Tulsa County Sheriff, Stanley Glanz, "We have been using Staph Attack for five months and have eliminated the reoccurrence of Staph infections in the facility. We are pleased to have created a healthier environment and at the same time save money." As part of its regular cleaning and maintenance program, the jail now uses Staph Attack to disinfect booking areas, bathrooms, counter tops, cells and mattresses. Using Staph Attack has provided time and cost savings: The 24 hour residual protection offered by the product, combined with the lowest possible level of toxicity as defined by the EPA, means less frequent applications and no need for protective wear such as gloves and masks. Staph Attack is presently being used in 15 different correctional facilities in 9 states, including Oklahoma, Kansas, Tennessee, Ohio, Minnesota, Louisiana, Pennsylvania, Florida and Texas. Staph Attack is the silver-based hard surface disinfectant created by PURE Bioscience and distributed by Enviroguard Technologies specifically for closed populations where resistant bacteria are becoming increasingly problematic, such as hospitals, prisons and schools. Staph Attack carries EPA-registered claims against Methicillin-resistant Staphylococcus aureus (MRSA) and Vancomycin-resistant Enterococcus faecium (VRE), while maintaining the Category IV lowest-toxicity EPA rating. It kills the potentially deadly bacteria in just two minutes' time and does not require rinsing. How does it work? Silver dihydrogen citrate (SDC), is an electrolytically generated source of stabilized ionic silver. In one of the mechanisms of action, the bacteria views the molecule as a food source, and once the organism consumes it, SDC destroys the bacteria by disabling proteins and halting its metabolic and reproductive functions. SDC is colorless, odorless, tasteless, non-caustic and formulates well with other compounds. As a platform technology, SDC is distinguished from competitors in the marketplace because of its superior efficacy, reduced toxicity and the inability of bacteria to form a resistance to it. About Enviroguard Technologies, LLC EnviroGuard Technologies is a privately held company dedicated to offering new environmentally safe products with high efficacy to institutional, industrial, commercial and retail consumers. One such product line, powered by SDC (silver dihydrogen citrate), is a proprietary product of PURE Bioscience. The first product is Staph Attack, a hard surface disinfectant highly effective against broad spectrum bacteria including resistant staph bacteria such as MRSA and VRE. EnviroGuard Technologies is headquartered in Tulsa, Oklahoma. For additional information visit the Company's website: http://www.enviroguardtech.net/ . About PURE Bioscience PURE Bioscience (PURE) develops and markets technology-based bioscience products that provide solutions to numerous global health challenges. PURE's proprietary high efficacy/low toxicity bioscience technologies, including its silver dihydrogen citrate-based antimicrobials, represent innovative advances in diverse markets and lead today's global trend toward industry and consumer use of "green" products while providing competitive advantages in efficacy and safety. PURE Bioscience, headquartered in El Cajon, California, (San Diego metropolitan area), was incorporated in 1992. For additional information on PURE Bioscience, visit the Company's website: http://www.purebio.com/ . This press release includes statements that may constitute "forward- looking" statements, usually containing the words "believe", "estimate", "project", "expect" or similar expressions. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements inherently involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Factors that would cause or contribute to such differences include, but are not limited to, acceptance of the Company's current and future products and services in the marketplace, the ability of the Company to develop effective new products and receive regulatory approvals of such products, competitive factors, dependence upon third-party vendors, and other risks detailed in the Company's periodic report filings with the Securities and Exchange Commission. By making these forward-looking statements, the Company undertakes no obligation to update these statements for revisions or changes after the date of this release. Company Contact: Media Contact: Shawn LeBar Karen Sparks Enviroguard Technologies Mentus 918-398-6395 858-455-5500 x275 http://www.newscom.com/cgi-bin/prnh/20060119/LATH060LOGO http://photoarchive.ap.org/ DATASOURCE: PURE Bioscience CONTACT: Shawn LeBar, Enviroguard Technologies, +1-918-398-6395, ; media, Karen Sparks, Mentus, +1-858-455-5500 x275, Web site: http://www.purebio.com/ http://www.enviroguardtech.net/

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