Bacteriological Quality Assessment of Nigerian Non Alcoholic Beverage (Kunun-zaki) Sold in Keffi Metropolis, Nigeria
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چکیده
Twentyfive (25) samples of freshly formulated Kunun-zaki, a very common Nigerian non-alcoholic cereal beverage were obtained from 5 different sale locations in Keffi metropolis and analyzed using the Sandard Plate Counts (SPC), to determine their respective bacteriological quality. The results obtained showed that the total bacterial counts of Kununzaki in the 5 different locations range from 3.5x10 4 to 8.4x10 4 cfu/ml. The frequency of the occurrence of isolated bacteria were 72%(18) S. aureus, 60%(15) E. coli, 56%(14) Bacillus spp, 48%(12) Streptococcus spp, 36%(9) Klebsiella spp and 28%(7) Salmonella spp respectively. The percentage occurrence of isolated bacteria from High Court, Angwan Lambu, and Ungwan Waje was 43.3% while Central Market and Ungwan Mada had 60.0%, giving the total bacterial occurrence rate of 50.0%. There was no significant difference (P>0.05) in the occurrence of bacteria from samples obtained from various locations. The high bacterial load of most of the samples can be attributed to the poor hygienic practices of the handlers and possible contamination from the utensils and water that were used for processing of the beverage. The presence of these bacteria could be a matter of serious concern as these organism are involve in some health implication causing various diseases.
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