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Microbiological biochemical and organoleptic properties of fermented-probiotic drink produced from camel milk

机译:骆驼奶发酵的益生菌饮料的微生物学生化和感官特性

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摘要

The microbiological and biochemical changes occurred during the fermentation of camel milk inoculated by three selected bacterial starter, were investigated as well as the sensory evaluation of the product. Milk samples were collected from camel herds of southeastern of Iran. Chr. Hansen ABT-10 starter including Lactobacillus acidophillus, Biphidobacterum biphidum and Sterptococcus thermophilus in ratio of 0.50 g per 100 mL of camel milk was added. This fermented product was examined at the 0, 3rd, 6th and 9th days for microbiological, biochemical and sensory evaluations. The results showed the number of starter bacteria was maintained at least 106 CFU mL-1 during nine test days. It was shown that it could be used as fermented-probiotic drink. The product did not show any microbial contamination. The acidity and protein amount of produced drink showed a significant (p < 0.05) increase in different test days. Fat, solids-not-fat and ash amount of the product showed significant differences at the ninths’ test day compared to the zero test day (p < 0.05). Organoleptic properties of product including flavor, color, odor, consistency, mouth feel and overall acceptance were significantly improved (p < 0.05). Therefore, the produced fermented–probiotic drink, in addition to keep maintenance and increased nutritional quantity value, was accepted by consumers in terms of organoleptic properties and it could be used as a healthy and functional drink.
机译:研究了三种选定的细菌发酵剂接种骆驼乳发酵过程中发生的微生物学和生化变化,并对产品进行了感官评价。牛奶样品来自伊朗东南部的骆驼群。 r以每100mL骆驼奶0.50g的比例添加包括嗜酸乳杆菌,双歧双歧杆菌和嗜热链球菌的汉森ABT-10发酵剂。在第0天,第3天,第6天和第9天检查此发酵产物的微生物,生化和感官评价。结果显示,在9个测试日中,发酵菌的数量至少保持在10 6 CFU mL -1 。结果表明,它可用作发酵益生菌饮料。该产品未显示任何微生物污染。生产的饮料的酸度和蛋白质含量在不同的测试日中显示出显着(p <0.05)增加。与第零个试验日相比,该产品的脂肪,非脂肪和灰分含量在第九个试验日有显着差异(p <0.05)。产品的感官特性(包括风味,颜色,气味,稠度,口感和总体接受度)得到了显着改善(p <0.05)。因此,所生产的发酵型益生菌饮料除了保持营养和增加营养价值外,在感官特性方面也为消费者所接受,并且可以用作健康和功能性饮料。

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