AnS 460 Final Exam May 7, 2013 Name ______________________________________ True/False (1 point each) ____ 1. Sucrose is a non-reducing sugar processed from corn. ____ 2. Corn syrup and corn syrup solids are limited to 3.5% in sausage products. ____ 3. Monosodium glutamate may be used as a flavor enhancer in processed meats at any amount (there are no restrictions). ____ 4. The preferred type of bacteria for sausage starter cultures is the heterofermentative organisms. ____ 5. Lactobacillus plantarum is an organism sometimes used in meat starter cultures because it is a nitrate reducing bacteria. ____ 6. “Certified pork” is pork that has been treated to eliminate trichinae. ____ 7. Potassium sorbate may be used as an ingredient in fermented sausage to prevent growth of Staphylococcus aureus. ____ 8. Mold growth on dry sausage is best controlled by increasing the salt content of the product. ____ 9. The USDA definition of spices is “aromatic vegetable substances used for the seasoning of food”. ____ 10. Steam pasteurization is a treatment used to reduce the bacterial contamination of natural spices. ____ 11. Sodium lactate may be used in processed meats to control mold growth. ____ 12. High pressure processing (HPP) is a novel processing technology that inactivates bacteria and enzymes to extend shelf life and prevent spoilage, and does so with virtually no product change. ____ 13. Cooking procedures for meat products will be faster if wet bulb temperatures are kept relatively low. ____ 14. USDA “Appendix B” was created to ensure control of Escherichia coli 0157:H7 in dry sausage. 1 ____ 15. The cooking rate at the beginning of a cooking process for a meat product is typically controlled by the wet bulb temperature. ____ 16. An ideal air temperature (dry bulb) in a smokehouse for maximizing smoke deposition is about 600 F. ____ 17. A significant advantage of using natural casings for processed meats is lower cost because they are not manufactured. ____ 18. Staphylococcus aureus is a very salt tolerant pathogen that produces toxin at temperatures above 60 F, consequently, this organism is a major concern in fermented sausage. ____ 19. Salmonella is a concern on fresh meat product particularly poultry because it is a very heat tolerant organism. ____ 20. The most common cause of foodborne illnesses of all types is Salmonella. 21. (2 points each) Define or explain as relevant to processed meats. a. reducing sugar b. dextrose equivalent c. umami d. Chinese restaurant syndrome e. backstopping 2 f. encapsulated acid g. histamines h. herbs i. Scoville units j. ethylene oxide k. mustard flour l. ICU m. caseinate n. sodium diacetate o. bacteriophages 3 p. cover pickle q. massaging r. “step down” cooking s. atomization t. Food Net You need to answer questions from the following to total at least 40 points. You may answer them all for extra credit. 22. (10 points) Explain the USDA degree-hours requirement for fermented sausage and why it is important. 4 23. (10 points) Discuss the advantages and disadvantages of using natural spices in processed meats. 24. (10 points) What should meat processors be doing to ensure that their products do not contain ingredients that may induce allergic reactions in consumers? 5 25. (5 points) How is maceration used for hams in the meat industry and what are the advantages of this process? 26. (5 points) Explain “heat transfer” and “mass transfer” in meat processing, and how each affects cooking procedures. 6 27. (10 points) Explain the “barrier concept” used for control of bacterial growth in processed meats and provide some examples. 7