Microbiology and Spoilage Trail in Nile Perch (Lates niloticus), Lake ...

More documents

Recommendations

Info

2 Microbiology and Spoilage Trail in Nile perch (Lates niloticus) Lake Victoria, Tanzania A thesis submitted for a partial fulfilment of the requirement for the degree of Masters of Science in Food Science (Seafood Processing) Faculty of Food Science and Nutrition, School of Health Sciences University of Iceland Reykjavik, ICELAND. Franklín Georgsson, MSc. Gudjon Thorkelsson, MSc. Ofred, J. M. Mhongole National Fish Quality Control Laboratory (NFQCL)-Nyegezi (Ministry of Livestock Development and Fisheries) P. O. Box 1213, Mwanza, TANZANIA Email: nfqcl_mz@yahoo.co.uk; ojmmhongole@yahoo.co.uk ©May 2009
i DECLARATION I wish to declare that this work is sole done by me. And was not done and submitted at any place before.
Page 1: 1 Microbiology and Spoilage Trail i
Page 5 and 6: iii ABSTRACT The microbiological sp
Page 7 and 8: 4 RESULTS..........................
Page 9 and 10: vii LIST OF TABLES TABLE 1: NILE PE
Page 11 and 12: East Africa. The lake produces a fi
Page 13 and 14: Table 1: Nile perch export processi
Page 15 and 16: 1.2.1.3 Output from the study The i
Page 17 and 18: eservoir i.e. Salmonella, Shigella,
Page 19 and 20: Spoilage of food means to deprive i
Page 21 and 22: • Pseudomonas and Shewanella putr
Page 23 and 24: NH3 Ammonia amino acids and urea Ac
Page 25 and 26: According to Cornell, (1975), the p
Page 27 and 28: as well as indices of fish spoilage
Page 29 and 30: Table 6: Cardinal temperature for m
Page 31 and 32: is insufficient for good quality an
Page 33 and 34: which are posing difficulties in de
Page 35 and 36: Vibrionaceae at higher temperatures
Page 37 and 38: 3 MATERIALS AND METHODS 3.1 STUDY A
Page 39 and 40: 3.2.1.2 Phase I- trial 2: Sediments
Page 41 and 42: 3.2.3.2 Phase III - trial 2: Shelf
Page 43 and 44: • Total viable counts (TVC): Volu
Page 45 and 46: 3.3.2.1.3 Phase I - Trial 3: Whole
Page 47 and 48: 3.3.2.2.2 Phase II trial 2: Shelf l
Page 49 and 50: 4 RESULTS 4.1 PHASE I: MICROBIOLOGY
Page 51 and 52: Table 15: Pathogenic microorganisms
Page 53 and 54:
The excellent freshness fish grade
Page 55 and 56:
Figure 7: Changes of specific spoil
Page 57 and 58:
4.2.2.2 Chemical analysis Changes o
Page 59 and 60:
Figure 14: Whole Nile perch in stai
Page 61 and 62:
21mgN/100g from days 12-15 which co
Page 63 and 64:
4.3.2.3 Establishment E3 - chilled
Page 65 and 66:
The results from chilled fillets (f
Page 67 and 68:
5 DISCUSSION 5.1 PHASE I: NATURAL M
Page 69 and 70:
etween 15-20 days (2-3 weeks). Henc
Page 71 and 72:
the components contributing to TVB-
Page 73 and 74:
ice there was only a small margin (
Page 75 and 76:
(around 6 log10 cfu/g) after 12 sto
Page 77 and 78:
5.4 PRESUMPTIVE SSO There are two t
Page 79 and 80:
6.2 RECOMMENDATION 1. Similar shelf
Page 81 and 82:
REFERENCES Adams M. R. and Moss, M.
Page 83 and 84:
Doyle M. P., (1990): Pathogenic Esc
Page 85 and 86:
Huss, H. H. and Larsen A., (1980):
Page 87 and 88:
Liston J, (1992): Bacterial spoilag
Page 89 and 90:
Ozogul, F. and Ozugul, Y., (2000):
Page 91 and 92:
Zeng, Q. Z., Thorarinsdottir K.A.,
Page 93 and 94:
Appendix II: Iron agar (IA) for tot
show all

Microbiology and Spoilage Trail in Nile Perch (Lates niloticus), Lake ...

Create successful ePaper yourself

Delete template?

Save as template?