...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Applied Microbiology >Impacts of Sample Preparation Methods on Solubility and Antilisterial Characteristics of Essential Oil Components in Milk
【24h】

Impacts of Sample Preparation Methods on Solubility and Antilisterial Characteristics of Essential Oil Components in Milk

机译：样品制备方法对牛奶中精油成分的溶解度和抗弹力特性的影响

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Essential oil components (EOCs) have limited water solubility and are used at much higher concentrations in complex food matrices than in growth media to inhibit pathogens. However, the correlation between solubility and activity has not been studied. The objective of this work was to characterize the solubility of EOCs in solvents and milk and correlate solubility with antilisterial activity. The solubilities of four EOCs, thymol, carvacrol, eugenol, and trans -cinnamaldehyde, in water was significantly increased in the presence of 5% (vol/vol) ethanol. In milk, the solubility of EOCs was lower than in water, with lower solubility in higher-fat milk. EOCs applied to milk as stock solutions (in 95% aqueous ethanol) enabled quicker dissolution and higher solubility in milk serum than other methods of mixing, such as end to end, and greater reductions of Listeria monocytogenes Scott A after 0 and 24 h. When the EOC concentration detected in milk serum was above the minimum bactericidal concentration, complete inhibition of L. monocytogenes in tryptic soy broth resulted. Therefore, the antilisterial properties in milk could be correlated with the solubility by comparison to the minimum inhibitory or bactericidal concentrations of EOCs. While the EOCs applied using ethanol generally had solubility and activity characteristics superior to those of other mixing methods, ethanol is not used to a great extent in nonfermented foods. Therefore, mixing methods without an organic solvent may be more readily adaptable to enhancing the distribution of EOCs in complex food systems.
机译：精油成分（EOC）的水溶性有限，在复杂食品基质中的浓度要比在生长培养基中高得多，以抑制病原体。但是，尚未研究溶解度和活性之间的相关性。这项工作的目的是表征EOC在溶剂和牛奶中的溶解度，并将溶解度与抗李斯特菌活性相关联。在存在5％（体积/体积）乙醇的情况下，四种EOC（百里酚，香芹酚，丁香酚和反式肉桂醛）在水中的溶解度显着提高。在牛奶中，EOC的溶解度低于在水中，而在高脂牛奶中的溶解度较低。与其他混合方法（如首尾相连）相比，将EOC作为原液（在95％乙醇水溶液中）应用于牛奶，能够更快地溶解并在牛奶血清中具有更高的溶解度，并且0和24小时后单核细胞增生李斯特菌李斯特菌的减少更大。当在牛奶血清中检测到的EOC浓度高于最小杀菌浓度时，则完全抑制了胰蛋白酶大豆肉汤中单核细胞增生李斯特氏菌的产生。因此，通过与EOCs的最低抑菌或杀菌浓度相比，牛奶中的抗李斯特菌性质可以与溶解度相关。尽管使用乙醇施用的EOC通常具有优于其他混合方法的溶解度和活性特征，但在非发酵食品中并未大量使用乙醇。因此，没有有机溶剂的混合方法可能更容易适应于增强EOC在复杂食品系统中的分布。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号