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- Title
Microbiological and physicochemical criteria of fruit juices sold in Egypt: Incidence of spore-forming bacteria.
- Authors
Marghany Mahgoub, Samir Ahmed; El-Shourbagy, Gehan Abdallah
- Abstract
The quality and safety of several commercial fruit juices (n=360) sold in Egypt were assessed in this study by analyzing quantitative microbiological and physicochemical parameters, and incidence of spore-forming bacteria. Three commercial brands e.g. apple (A4 & A5) and cocktail (C4) samples contained Coliforms and presumptive Escherichia coli; mean 1.30 to 1.85 log10 CFU/ml. Staphylococcus aureus were absent in all the samples tested. Alicyclobacillus acidoterrestris, Bacillus coagulans, B. licheniformis and B. mycoides species were the predominant organisms isolated from A4, guava (G4), mango (M3) and C4 juice samples. The A4, G4, M3 and C4 samples contained of 2.36 - 3.23 log10 CFU/ml from total bacterial counts and yeast/mold counts. The TSS and total sugars were within expected ranges. However, the titratable acidity, pH, and color were varied. Thus, this study emphasizes the need for the accelerated and sharp detection of spore forming bacteria in juice products, and provides information on the quality attributes of some brands of fruit.
- Subjects
FOOD industry; BACILLUS (Bacteria); SPOREFORMING bacteria; STAPHYLOCOCCUS aureus; FOOD safety; FRUIT juices -- Contamination
- Publication
Emirates Journal of Food & Agriculture (EJFA), 2015, Vol 27, Issue 11, p864
- ISSN
2079-052X
- Publication type
Article
- DOI
10.9755/ejfa.2015-04-140