Volume 7, Issue 1 (March 2020)
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- This paper briefly reviews the most important bacterial seafood-borne diseases.
- Vibrio, Salmonella, Listeria monocytogenes, Staphylococcus aureus, Clostridium botulinum, Shigella, and Aeromonas are considered as microbiological hazards for seafoods.
- Food-borne intoxications can be controlled by the proper refrigeration of seafoods and monitoring of the chill chain.
Original article
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- Pasteurization temperature had no adverse effect on the antioxidant activities of xoconostle (Opuntia joconostle) fruit.
- After the pasteurization process, betacyanins and betaxanthins contents increased to 0.112 and 0.096 µg/g, respectively.
- In spite of fresh xoconostle juice, the pasteurized juice revealed no anti-hyperglycemic properties in animal model.
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- Out of 205 ready-to-eat Street-Vended Foods (SVFs) samples, 85.37% had aerobic growth.
- The dominant genus in ready to eat SVFs was Pseudomonas spp., followed by Escherichia spp. and Bacillus spp.
- Prevalence rates of Listeria monocytogenes, Staphylococcus aureus, Salmonella spp., and Escherichia coli O15:H7 were 46.36, 31.8, 21.8, and 1.8%, respectively.
- The microbial safety of ready-to-eat SVFs sold in the Johannesburg Metropolis remains a serious public health concern.
Abstract
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- Lactic acid bacteria populations dominated in control and experimental Pecorino Sicilian cheese productions.
- Escherichia coli, Listeria monocytogenes, Salmonella Enteritidis, as well as Staphylococcus aureus were completely disappeared after 60 days of ripening.
- The Randomly Amplified Polymorphic DNA analysis demonstrated the presence of the added strain during production.
- Production conditions of PDO Pecorino Siciliano cheese decreased growth of four main dairy pathogens.
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- Camphor, 1,8-cineole, β-Thujone, and camphanone were the main components of Artemisia sieberi Essential Oil (AEO).
- Carboxymethyl cellulose (CMC) film with 1.5% of AEO showed the highest "a" (greenness) and "b" (yellowness) values.
- The inhibition zones were 9.33, 11.5, and 17.30 mm for Staphylococcus aureus; and 8, 11.50, and 14.33 mm for Escherichia coli at AEO levels of 0.5, 1, and 1.5%, respectively.
- CMC films enriched with AEO could be beneficial in food packaging to retard food deterioration.
Abstract
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Highlights
- Mean total Aflatoxins (AFs) in raw material, dried maize chips, and fried chips were 46.58, 17.58, as well as 13.24 ppb, respectively.
- The yearly maximum exposure to AFB1 ranged from 85.07 to 92.80 ng/kg body weight per day.
- The estimation of hepatocellular carcinoma (HCC) cases ranged from no case to 43 cases per year.
- Preventive hygienic efforts are needed to reduce AF contamination and risk of HCC in maize consumed in this region.
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