您好，欢迎访问湖北省农业科学院 机构知识库！
湖北省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Low frequency magnetic fields modification on hydrogen peroxide oxidized myoglobin-isolate and mechanisms underlying the chain reaction process

文献类型： 外文期刊

作者： Xia, Minquan 1 ; Chen, Yinxia 2 ; Ma, Jing 1 ; Yin, Xiaoli 1 ; Li, Zhenshun 1 ; Xiong, Guangquan 3 ; Wang, Lan 3 ; Wu, We 1 ;

作者机构： 1.Yangtze Univ, Coll Life Sci, Jingzhou 434023, Hubei, Peoples R China

2.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Hubei, Peoples R China

3.Hubei Acad Agr Sci, Inst Farm Prod Proc & Nucl Agr Technol, Wuhan 430064, Hubei, Peoples R China

4.Yangtze Univ, Sch Mech Engn, Jingzhou 434023, Hubei, Peoples R China

关键词： Low frequency magnetic field; Myoglobin-isolate; Hydrogen peroxide oxidation; Circular dichroism (CD) spectroscopy

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2020 年 312 卷

页码：

收录情况： SCI

摘要： The effects of low frequency magnetic field (0-12 mT) on hydrogen peroxide oxidized myoglobin-isolate (MbI) were investigated. The results indicate that the primary target of the hydrogen peroxide oxidation was Met(Fe-III) Mb, leading to the fall off of iron ions from the porphyrin ring. Additionally, the increased magnetic field (>= 9 mT) enhanced the release of more iron ions to react with H2O2, giving rise to the production of more hydroxyl radicals and the shift of oxidation site from porphyrin ring to Mb skeleton. Moreover, the directional movement of iron ions induced by magnetic field caused the generation of local micro-electric field and the rearrangement of charged groups on the protein surface or near-surface, thus affecting Mb aggregation. Overall, the magnetic field interfered with the hydrogen peroxide chain reaction process, changed the redox equivalents of Mb, and shifted the oxidation sites of Mb.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：湖北省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台