Browsing by Author "Olayiwola, John"
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Item Assessment of Spoilage and Pathogenic Bacteria in Selected Fruits and Vegetables from Retail Sources and Home-gardens(European Journal of Nutrition & Food Safety, 2023-02-13) Olanbiwoninu, Afolake; Awotundun Theresa; Olayiwola, John; Fashogbon, RachealConsumption of fruits and vegetables which are known to be highly nutritious has been linked to foodborne disease outbreaks which constitute food safety and public concern. This study aimed to assess the safety of selected fruits and vegetables from fruit markets and home gardens, within the South-West region of Nigeria. A total of fifty-three (53) samples of watermelon, cucumber, tomatoes and garden eggs were collected and subjected to microbiological analysis. Isolated bacteria were screened for their pathogenicity and spoilage potential using haemolysis and amylase production tests respectively. A total of 146 bacteria were isolated, 75 (45.7%) were from retail samples and 71 (43.3%) from the home garden. The genera: Bacillus (15.9%), Corynebacterium (11.0%), Lactobacillus (1.2%), Listeria (1.8%), Staphylococcus (12.8%), Enterococcus (1.2%), Micrococcus (1.2%), Acinetobacter (3.7%), Aeromonas (2.4%), Alcaligenes (0.6%), Brucella (0.6%), Vibrio (0.6%), and the family Enterobacteriaceae (36.0%) were identified. Isolates with haemolytic potentials were 51 (31%) while 49 (30%) could cause spoilage. The overall microbiological quality and safety of fruit and vegetable samples analysed in this study is low, as they were contaminated by diverse pathogenic, and spoilage microorganisms. The presence of these pathogens in retailed and home garden fruits and vegetables is a pointer to public health risks and food safety threats. Hence, the need for improved hygienic practice through training handlers along the supply chain.