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首页> 外文期刊>International Journal of Dairy Technology >Effect of commercial adjunct lactobacilli on biochemical and sensory characteristics of Iranian white-brined cheese
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Effect of commercial adjunct lactobacilli on biochemical and sensory characteristics of Iranian white-brined cheese

机译:商业辅助乳酸菌对伊朗白菜奶酪生化和感官特性的影响

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摘要

Iranian white-brined cheese was made in open vats using commercial adjunct culture of Lactobacillus helveticus Lh.Bo2 in viable and freeze-shocked (FS) forms. Biochemical and sensory characteristics of the trial cheese were studied during 2 months of ripening. Assessment of primary proteolysis by SDS-PAGE and water soluble nitrogen for the trial cheese showed no or small differences throughout ripening. However, the experimental cheeses exhibited significantly greater rates of free amino group formation. Lipolysis as measured by total free fatty acid was consistently higher in cheese made with the FS adjunct culture. Expert panellists detected significant differences between the control and the experimental cheese.
机译:使用商业化的瑞士乳杆菌Lh.Bo2辅助培养以活和冷冻冲击(FS)的形式在露天大桶中制成伊朗白菜奶酪。在成熟的2个月内研究了试验奶酪的生化和感官特性。通过SDS-PAGE和水溶性氮对试验奶酪进行的初级蛋白水解评估显示,在整个成熟过程中没有差异或差异很小。但是,实验奶酪显示出明显更高的游离氨基基团形成速率。用总游离脂肪酸测得的脂解在用FS辅助培养制成的奶酪中始终较高。专家小组成员检测到对照干酪和实验干酪之间存在显着差异。

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