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Pakistan Journal of Biological Sciences

Year: 2013 | Volume: 16 | Issue: 12 | Page No.: 585-588
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Authors

Arafat Mohammed Goja

Mohamed Salih Osman Mahmoud

Keywords

Research Article

Microbial Quality of Some Vegetables Sold in ED DueimTwon, Sudan

Arafat Mohammed Goja and Mohamed Salih Osman Mahmoud
This study was probably the first research carried out to investigate the microbiological quality of some vegetables sold in ED DueimTwon, Sudan. Four species of vegetables were used, Arugula (Eruca sativa), Mloukhia (Corchorus olitorius), Tomato (Lycopersicon esculentum) and Green pepper (Capsicum annuum). The samples were collected and examined according to standardized methods for total viable bacteria, coliforms and fecal coliform count. The average of total viable count ranged from 1.2x105-5.6x105 CFU mL-1 for Arugula; 2.1x105-2.8x107 CFU mL-1 for Mloukhia; 3.4x105-4.8x105 for Tomato and 2.3x105-8.0x106 CFU mL-1 for Green pepper. However, the maximum level of total and fecal coliform were (93, 21); (28, 11); (75, 15) and (150, 20) MPN 100 mL-1, respectively. Twelve bacteria belonging to five genera were isolated. Staphylococcus (33%) was the most predominant isolated followed by Enterobacteriaceae (25%), Bacillus (17%) and Streptococcus (17%). Micrococcus (8%) was the least dominant isolated. The results of microbial counts of these vegetable samples in this study indicate that, the agricultural practices, harvesting, hygiene, transporting and selling points are poor and therefore, the higher microbial load could be risked for public health.
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