Composition and microbial quality of raw camel milk produced in Morocco

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Abstract

The study was carried out to assess the chemical composition and microbial quality of raw camel milk produced in southern Morocco. Thirty-one raw camel milk samples of morning hand milking from eight camel herds located in the four different areas of the region over four period of the year (Summer: June, July 2013, Winter: December and February 2014) were collected at their arrival at a processing plant. Average results of physicochemical analysis were pH = 6.47; density = 1.026; titrable acidity = 0.19% w/v, 2.72% w/v, fat; 2.55% w/v crude proteins; 0.87% w/v ash and 0.18% w/v chlorides as NaCl. The period of the year had a significant effect (p < 0.05) on fat, proteins and lactose milk contents; summer camel milk presented the lowest total solid contents. Microbial analysis of raw camel milk showed high contamination levels with total aerobic flora ranging from 5.6 · 103 to 1.8 · 109 cfu mL−1, total coliforms and fecal coliforms with average counts of 1.82 · 107 and 3.25 · 106 cfu mL−1, respectively. Yeasts and molds were found at averages levels of 3.13 · 106 and 1.60 · 105 cfu mL−1, respectively. Lactic acid bacteria were also found in large numbers in raw camel milk: 4.25 · 107, 4.45 · 107 and 3.55 · 107 cfu mL−1 as average for Lactococci, Leuconostocs and Lactobacilli, respectively. Salmonella sp. and Staphylococcus aureus were detected, respectively, in 13% and 30% of raw camel samples. These results indicated clearly a lack of hygienic conditions in the production, milking and transportation of the raw camel milk.

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APA

Alaoui Ismaili, M., Saidi, B., Zahar, M., Hamama, A., & Ezzaier, R. (2019). Composition and microbial quality of raw camel milk produced in Morocco. Journal of the Saudi Society of Agricultural Sciences, 18(1), 17–21. https://doi.org/10.1016/j.jssas.2016.12.001

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