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Articles by Arafa M.S. Meshref
Total Records ( 2 ) for Arafa M.S. Meshref
  Gamal M. Hassan , Arafa M.S. Meshref and Soad M. Gomaa
  In this study, the microbial quality and safety of the market and UHT milk were studied. A total of 158 milk samples (125 raw market milk and 33 UHT milk) was collected randomly from different supermarkets and retailer shops in Cairo and Giza governorates. Samples were analyzed for Aerobic Plate Count (APC), total coliforms, Escherichia coli, Staphylococcus aureus, Bacillus cereus and yeast and mold counts, as well as for the pathogens E. coli O157:H7 and Salmonella spp. All market milk samples were found to be contaminated, having bacterial load exceeding the acceptable limit. The microbiological quality of market milk was judged a poor, whereas the quality of UHT milk samples was excellent. Pathogenic bacteria (E. coli, B. cereus and S. aureus) were detected in some of the market milk samples but none of the UHT milk samples contained any bacteria. None of the market and UHT milk samples taken contained detectable levels of Salmonella and E. coli O157:H7. A high microbial load of market milk may present a public health hazard to the consumers and emphasizes the need for improved hygienic standards.
  Arafa M.S. Meshref , Walaa A. Moselhy and Nour El-Houda Y. Hassan
  Aluminium is non-essential element for humans and is considered to be a toxic metal. The present investigation was carried out to determine aluminium concentrations in milk and milk products, to estimate the intake of aluminium via consumption of milk and dairy products and to investigate the leachability of aluminium from utensils into milk products during processing and storage. A total of 85 milk and milk products samples were collected from farms, individual farmers and dairy shops in Beni-Suef governorate, Egypt. Mean aluminium concentrations in farm milk, market milk, kareish cheese, yoghurt and rice pudding were 19.93, 107.32, 52.36, 4.19 and 80.97 ppm, respectively. Aluminium intake through milk and milk products consumption was calculated to be 246.72 mg week–1 which corresponds to 205.5% of the PTWI. Processing and storage of milk in aluminium containers also raise aluminium content significantly. The results indicated the advantage of using stainless steel over aluminium utensils for processing and storage of milk products, especially those acidic in nature.
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