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源于不同加工条件下大豆分离蛋白的电子顺磁共振分析

黄友如 陈义勇 朱东兴 赵阳 王叹玉

食品科学2012,Vol.33Issue(5):98-101,4.
食品科学2012,Vol.33Issue(5):98-101,4.

源于不同加工条件下大豆分离蛋白的电子顺磁共振分析

Electron Paramagnetic Resonance Spectroscopy (EPR) Study of Soybean Protein Isolates Prepared by Different Processing Methods

黄友如 1陈义勇 1朱东兴 1赵阳 1王叹玉1

作者信息

  • 1. 常熟理工学院生物与食品工程学院,江苏常熟215500
  • 折叠

摘要

Abstract

Soybean protein isolates were prepared by different methods and comparatively analyzed by electron paramagnetic resonance (EPR) spectroscopy. The results showed that soybean protein isolates obtained by different methods were different in central singlet signal attributed to the carbon radical (g value ranged between 2.0051 and 2.0054). The central free radical signal of soybean protein isolates could be weakened by decreasing extraction temperature, reducing lipid contents of defatted soybean flakes or inactivating lipoxygenase activity.

关键词

大豆分离蛋白/电子顺磁共振/自由基

Key words

soybean protein isolates/electron paramagnetic resonance(EPR)/free radicals

分类

轻工纺织

引用本文复制引用

黄友如,陈义勇,朱东兴,赵阳,王叹玉..源于不同加工条件下大豆分离蛋白的电子顺磁共振分析[J].食品科学,2012,33(5):98-101,4.

基金项目

江苏省高校自然科学研究项目 ()

苏州市科技计划项目 ()

食品科学

OA北大核心CSCDCSTPCD

1002-6630

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