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ZAP! Dead

http://www.chazography.com/wp-content/uploads/12-09-2005_raygun.jpg. ZAP! Dead. Shall we return fire on the bacteria and viruses infecting our food supply?. http://www.beefretail.org/uDocs/1369T-Bone%20Steak.jpg. Can irradiation solve the foodborne illness problem sweeping America?.

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ZAP! Dead

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  1. http://www.chazography.com/wp-content/uploads/12-09-2005_raygun.jpghttp://www.chazography.com/wp-content/uploads/12-09-2005_raygun.jpg ZAP! Dead Shall we return fire on the bacteria and viruses infecting our food supply? http://www.beefretail.org/uDocs/1369T-Bone%20Steak.jpg Can irradiation solve the foodborne illness problem sweeping America? Table of Contents Mercer University – Engineering Dr. Davis Spring 2008

  2. Table of Contents Choose a subject: Impact of Food on Society Society’s Opinion of Food Food Irradiation: The Facts Types of Irradiation So What? Resources Mercer University – Engineering Dr. Davis Spring 2008

  3. The Impact of Food on Society In the United States, nearly 200 people, most of them elderly or children, die each week from foodborne illnesses Also in the United States, diseases in food cause an estimated 76 million illnesses each year Foodborne illnesses result in nearly 323,000 hospitalizations a year These illnesses create a total bill of $6.7 billion on the United States as a whole Every time we eat, we take a risk of contracting a foodborne illness, but this cannot and should not keep us from eating http://images.ibsys.com/2002/0710/1552804.jpg Table of ContentsNext Mercer University – Engineering Dr. Davis Spring 2008

  4. Future of Food in Society? The good thing is, in the United States, illnesses caused by foodborne diseases have declined 23% since 1996 Can that number some day reach 100%? Is food irradiation the key to finally having bacteria free meat? BackTable of Contents Mercer University – Engineering Dr. Davis Spring 2008

  5. Society’s Opinion The term “Irradiation” scares the general public: Irradiation = Radiation = Atomic Bomb Society fears the damage that radiation is known to cause to cells in living organisms, such as themselves Society also worries about having a irradiation plant too close to where they live “What if the radiation leaks?” “What if something similar to a nuclear meltdown happens?” = http://whyfiles.org/020radiation/images/mushroom.jpg Table of ContentsNext http://video.google.com/videoplay?docid=3205763922539214987 Mercer University – Engineering Dr. Davis Spring 2008

  6. Society’s Continuing Dismal Attitude Irradiation has been approved for the federal nutrition program in some school systems, and frankly, many parents don’t like the idea of their children touching anything even related to radiation In many areas the irradiation of school lunch meat has been protested until it has been removed BackTable of Contents Mercer University – Engineering Dr. Davis Spring 2008

  7. Food Irradiation: The Facts Radiation was discovered in 1896 by Atoine-Henri Bacquerel, French physicist A few years later, Samuel Prescott from MIT showed that gamma rays from radium could kill bacteria in food E. Coli, salmonella, and campylobacter are just some of the harmful bacteria that high energy radiation can kill ccr.ucdavis.edu/irr/what2.shtml During his presidency, Bill Clinton proposed a $43 million National Food Safety Initiative which singled out irradiation as a cutting edge food technology Above is an example picture of a food irradiation machine. Notice that the food has to be sealed off from the rest of the building before it can be dose with radiation. Table of ContentsNext Mercer University – Engineering Dr. Davis Spring 2008

  8. More on Food Irradiation Some hospitals serve irradiated food to patients who have weakened immune systems Astronauts have been eating irradiated food while on their missions since the Apollo 17 launch in 1972 In 1921, scientists in U.S.D.A. reported that irradiation would kill trichinae in pork products. Since then, food irradiation has been evaluated as a way to kill microbes in food. The “Radura” Logo This symbol has been required on all irradiated meat sold in stores since 1992 by the FSIS (Food Safety and Inspection Service) http://blogs.menupages.com/boston/Steak.gif BackTable of ContentsNext Mercer University – Engineering Dr. Davis Spring 2008

  9. Will it taste the same? Irradiation kills all microorganism, bacteria, mold, and insects still living in food In raw meat, irradiation can double the shelf-life Irradiation causes less damage to vitamins and minerals than cooking alone Changes in color, smell, and taste mainly occur in foods such as raw meat If the meat about to be irradiated, is frozen before-hand and kept in a oxygen free environment, these changes are minimal Back Table of Contents Mercer University – Engineering Dr. Davis Spring 2008

  10. Types of Irradiation Gamma Rays: Are emitted by either radioactive cobalt or cesium Have a long half-life Must be stored in a pool of water that absorbs irradiation, when not in use, “turning the rays off” Can deeply penetrate food, making bulk treatment possible Food can even be irradiated while still in the crate Table of ContentsNext Mercer University – Engineering Dr. Davis Spring 2008

  11. Types of Irradiation Electron Beams (Beta Beams): Are emitted from an electron gun, such as one found in a television only more powerful Penetrates only a few cm of food Can be switched off while not in use No radioactivity is involved BackTable of ContentsNext Mercer University – Engineering Dr. Davis Spring 2008

  12. Types of Irradiation X-irradiation: Is the most recently developed Produces x-rays by making an electron beam hit a metal foil target Penetrates deeper than electron beams and requires more shielding and insulation Also has the ability to be switched off at will Also does not have a radioactive source Back Table of Contents Mercer University – Engineering Dr. Davis Spring 2008

  13. So What? Irradiation can be used to nearly rid foodborne illnesses from society Irradiation has little to no affect on aspects of food such as color, smell, and taste Two of the three forms of irradiation do not come from a radioactive source Irradiation is considered safe by most scientists and has been in use in many government run organizations, such as NASA for over 25 years Irradiation nearly doubles the shelf-life of food The question is: “Is society willing to accept ‘irradiation’, a term so close the familiar ‘radiation’, as a possible freedom from foodborne illness?” Table of Contents Mercer University – Engineering Dr. Davis Spring 2008

  14. Resources Hosansky, D (2002 November 1). Food safety: Is our food as safe as it could be?. CQ Researcher, 12, Retrieved March 15, 2008, from http://library.cqpress.com.tarver-proxy.mercer.edu/cqresearcher/document.php?id=cqresrre2002110100&type=hitlist&num=0 Skerrett, P. J. (1997, November). Food irradiation: Will it keep the doctors away?. Technology Review, Retrieved March 15, 2008, from http://www.technologyreview.com/Biotech/11621/ Belli, B. Nuking food: Contamination fears and market possibilities spur at irradiation revival. E Magazine, Retrieved March 15, 2008, from http://www.emagazine.com/view/?3790 Mikhail, M. (2003, December, 06). Irradiated meat: A sneak attack on school lunches. Weston A. Price Foundation, Retrieved March 15, 2008, from http://www.westonaprice.org/modernfood/irradiatedmeat.html Tauxe, R. V. (2003, April, 21). Food safety and irradiation: Protecting the public from foodborne infections. Center for Disease Control, Retrieved March 15, 2008, from http://www.cdc.gov/ncidod/eid/vol7no3_supp/tauxe.htm Brown, J. Lynne (2002). What Does Irradiation Do to Food?. Penn State, Retrieved March 15, 2008, from http://pubs.cas.psu.edu/freepubs/pdfs/uk107.pdf Pictures: http://www.chazography.com/wp-content/uploads/12-09-2005_raygun.jpg http://www.beefretail.org/uDocs/1369T-Bone%20Steak.jpg http://images.ibsys.com/2002/0710/1552804.jpg http://whyfiles.org/020radiation/images/mushroom.jpg http://ccr.ucdavis.edu/irr/what2.shtml http://blogs.menupages.com/boston/Steak.gif http://www.aboutnuclear.org/i/food/radura.gif http://www.crou-ems.eu.dodea.edu/images/lunch.jpg www.stoptheride.net/2007_07_01_archive.html http://www.twi.co.uk/j32k/twiimages/eb_equipf1.jpg http://www.ashaindustries.com/images/asha-2.jpg Mercer University – Engineering Dr. Davis Spring 2008 First SlideTable of Contents

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