meat products

meat products PowerPoint PPT Presentation


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Meat Flavor. Psychrotrophic bacteriaAnalyses of volatile compoundsOxidation of meat. Meat Palatability and Factors Affecting Flavors. 1) Meat palatability or Acceptability to Consumersa. Volatile flavor compounds b. Appearancec. Juiciness d. Tenderness 2) Factors affecting flavor or raw beefa. Breed, Sex, Diet, Ageb. Fat, Microorganisms.

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1. Meat Products

3. Meat Palatability and Factors Affecting Flavors

4. Sample Preparation for Isolation and Separation of Volatile Compounds

5. Effects of Dark and Light Storage on Volatile Compounds of Aseptic Raw Ground Beef

6. Effects of Psychrotrophic Bacteria on Volatile Compounds of Aseptic Raw Ground Beef Samplesa. Aseptic ground beefb. Aseptic ground beef + Pseudomonas putrifaciens c. Aseptic ground beef + Acinetobacter spp. Evaluationsa. Dynamic headspace sample/gas chromatography/mass spectrometer b. TBA valuec. Total bacteria countd. Panel evaluation for off-odor

8. Diagram of Dynamic Headspace Sampler/Gas Chromatograph

9. Chromatogram of Volatile Compounds of Raw Ground Beef

10. Volatile Compounds and TBA Values of Ground Beef under Dark and Light

11. Relationship between TBA Vs. Volatile Compounds Sensory of Odor-Odor during Storage

12. Growth Pseudomonas putrifaciens and Acinetobacter spp.and Headspace Oxygen of Control, Pseudomonas putrifaciens and Acinetobacter spp

13. Volatile Compounds and TBA Values of Ground Beef under Light at 5°C

14. Effects of Bacteria on Off-odor of Beef during Storage

15. Volatile Compounds of Beef with Control Acinetobacter, and Pseudomonas (bottom)

16. Sulfur Compounds in Aseptic Raw Beef Inoculated by Acinetobacter and Pseudomonas putrifaciens

17. Volatile Compounds of Raw Beef

18. Volatile Compounds of Raw Beef

19. Volatile Compounds of Raw Beef

20. Roast Beef Flavor

21. Volatile Compounds in Roast Beef

22. Volatile Compounds in Roast Beef

23. Volatile Compounds in Roast Beef

24. Roast Beef Flavor Compound Formation from Strecker Degradation

25. H2S and NH3 from Strecker Degradation

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