Advanced Food Processing
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Advanced Food Processing
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25 Questions

1. Dose required to kill bacterial spores?

2. Direct Effect- a bullet-like effect with high energy particles impacting the vital parts of the cell

3. Determines how far the MWs penetrate into the food and it is affected by the above two parameters plus others

4. Dose required to kill yeast and mold?

5. 1000 GY

6. Gamma rays have high penetration capability

7. Low frequency & long wave length

8. Is also used in limited extent in food irradiation.

9. Sprouting inhibition and

10. What is the half life of Cobalt 60?

11. The quantity of radiation that results in the absorption of 100 ergs per gram of food

12. What changes take place when energy is applied?

13. Determines the amount of heat generated from the absorbed energy

14. 100 RAD

15. -the more complex the biological system is the less amount of IR required to induce changes

16. Food treated with ionizing radiation (IR) is said to be

17. Dose required to kill a man

18. The common source of energy in food irradiation

19. Indirect Effect- ionization of molecules that produces ion pairs (by knocking off an electron) and free radicals (by breaking bonds) result in chemical reactions that interrupt biological functions

20. Determines the affinity of a food system to absorb microwaves

21. Which waves vary in frequency and are closer to Radio waves frequencies

22. Describes a continuous range of radiation energy having an electric and a magnetic component

23. Dose required to kill insects?

24. These rays have no penetration depth hence it will only achieve surface inactivation of microorganisms

25. Dose required to kill virus?

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