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Abstract
Nowadays, fish constitute one of the most important food
stuffs; it provides the man with the animal protein of high biological
value besides their high palatability and good digestibility. Fish has
long been regarded as a nutrition and highly desirable food due to
its contribution of high quality animal protein, its richness in
calcium, phosphorus and generous supply of vitamins.
Fish was subjected to so many risks of contamination, such
contaminates may find, their way through many sources then may
grow and multiply in fish rendering it unfit for human consumption’.
Therefore this work has been planed to fulfill this gap using three
species of fresh water fish (Tilapia nilotica. Mugil cephalus and
Clarias lazera) which were the most popular consumed fish in
Zagazig city.
A total of 90 random samples of fresh water fish (30each of
Tilapia nilotica, Mugil cephalus and Clarias lazera) were collected
from different fish markets distributed in Zagazig city. Organoleptic
and Microbiological examinations were conducted as soon as
possible. The obtained results were recorded as:
A- Organoleptic examination:
The mean value of organoleptic examination of Tilapia nilotica,
Mugil cephalus and Clarias lazera was 76.033±1.486%,
78.97±1.369% and 72.90±1.276%, respectively.