Abstract:
This study was conducted in the college of Veterinary Medicine, Sudan University of Science and Technology. During the period from February to May 2013 to investigate the effect of storage period on chemical composition, some quality attributes and conformity of unpacked beef sausage in Khartoum state with Sudanese Standard Metrology Organization Specifications. The results of study showed that there was a high significant difference (p≤0.01) between locations of collection. Khartoum samples recorded highest moisture % (69.13- 60.03), whereas Bahri samples recorded highest content of protein (14.37- 10.15%), while highest fat content recorded by Omdurman samples (26.00- 21.65%). Khartoum samples recorded highest ash percentage (2.32 and 1.07%) at the storage periods (0 and 45 days) respectively, while Omdurman samples recorded the highest percentage in ash (1.82 and 1.38%) at the storage period (15 and 30 days) respectively. The physio-chemical parameters of unpacked beef sausage showed high significant differences (p≤0.01) between Khartoum, bahri and Omdurman samples. Bahri samples recorded the highest value of water holding capacity and cooking loss% as (4.42-2.39) and (36.10- 34.05%) respectively. Omdurman samples recorded the highest pH value (6.04-6.21).
Sensory evaluation results showed high significant differences (p≤0.01) between the location samples. Omdurman samples recorded the highest score of color (4.97, 5.23 and 5.64) during storage periods (0, 15 and 30 days) respectively. Whereas Bahri samples recorded the highest score (5.94) at storage period (45 days). Omdurman samples recorded highest score in the texture, juiciness and flavor, while bahri samples recorded highest score of juiciness at storage period (0,15,30 and45 days) respectively.
IV
There was no significant differences (p≤0.05) between the samples collected from Khartoum State in bacterial contaminants and total bacterial count.
All beef sausage samples collected in Khartoum state were contaminated with salmonella and E. coli, which disagreed with the SSMO Specification.
