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Hyun msg presentation may 23 2014


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MSG: To eat?

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Hyun msg presentation may 23 2014

  1. 1. Monosodium Glutamate: MSG To Eat or Not to Eat? By: Hyun Chung
  2. 2. Monosodium Glutamate
  3. 3. Monosodium glutamate • Neutralization • Acid + Base  H2O (l) + salt • Na+ C5H8NO4 −
  4. 4. Chemistry professor Dr. Kikunae Ikeda of Tokyo Imperial University patented MSG in 1908. “umami”
  5. 5. glutamate glutamic acid MSG: monosodium glutamate
  6. 6. Does MSG cause brain damage? Barinaga, Marcia. “MSG: a 20-year debate continues.” Science 247.4938(1990): 21. Science in Context. Web. 11 Mar. 2014 excitotoxicity: ability to excite nerve cells to death
  7. 7. Hirosaki University (Japan): rats given 20% MSG diets showed eye damage Graham-Rowe, Duncan. “Keep an eye on the MSG. (This Week.”” New Scientist 176.2366 (2002): 11. Science in Context. Web. 10. Mar. 2014. In foods, only 0.5% of MSG is added.
  8. 8. In 2000, researchers from UCLA, Harvard, and Northwestern studied 130 subjects who all claimed that they were sensitive to MSG. The study was double-blind. Only 2 subjects showed consistent MSG sensitivity. Freeman, Matthew. “Reconsidering the effects of monosodium glutamate: a literature review.” Journal of the American Academy of Nurse Practitioners 18(2006): 482-486
  9. 9. “No added MSG”