Bio-Security I. Bio-Terrorism: deliberate release of viruses, bacteria, or other agents used to cause illness/death in people, animals, plants a. Food Terrorism: act/threat to deliberate contamination of food for human consumption with chemical, biol
Cheeses L. monocytogenes survives cheese manufacturing and ripening b/c of its temp hardiness, ability to grow in the cold, and salt tolerance. During manufacturing, L. monocytogenes is concentrated in the cheese curd. L. monocytogenes can grow in Ca
-Gram + cocci -produces enterotoxins that are heat stable -10^ 5 10^6 CFU/g to produce entertoxin -types of enterotoxin: A, B, C, D, E, F, G Most often found in foods: A, B Toxic shock syndrome: F -can survive in low water acti
Dr. Monica A. Ponder
Food Science and Technology
Department of Food Science and Technology
Lecture: 11:00am 12:15 p.m.; Tuesday and
Thursday; Litton Reaves Hall, Room
Microorganisms that cause.
Affects aroma, texture
and/or appearance of food
May or may not affect
of the food!
Only laboratory testing can tell if harmful
microorganisms or toxins are present