过热蒸汽诱导的修饰的分子机制,增强卵蛋白的功能性质:从位点识别和体分析的见解
Haiqi Chen1, Zuohua Xie2, Feifei Wang3
1State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China; College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang 310058, China.
Food chemistry
|August 15, 2025
概括
超热蒸汽 (SS) 处理显著改善了卵蛋白 (OVA) 的功能性质,如乳化和抗氧化活性. 这种方法通过改变分子结构并产生生物活性来提高蛋白质的消化能力.
科学领域:
- 食品科学 食品科学 食品科学
- 蛋白质化学 蛋白质化学
- 生物化学 生物化学
背景情况:
- 卵蛋白 (OVA) 是卵白中的关键蛋白质,具有多种应用.
- 通过加工来了解蛋白质的修饰对于优化食品的功能至关重要.
研究的目的:
- 为了研究超热蒸汽 (SS) 对卵蛋白 (OVA) 功能性质的影响.
- 阐明SS诱导的OVA变化背后的分子机制.
主要方法:
- 过热蒸汽 (SS) 处理卵蛋白 (OVA).
- 对乳化能力,抗氧化活性和消化能力的分析.
- 液体染色学-轨道质谱学 (LC-Orbitrap-MS) 用于识别修改.
- 皮体分析以分析生成的和裂解部位.
主要成果:
- SS治疗增强了OVA的乳化能力,抗氧化活性和消化能力.
- SS诱导蛋白质的结构变化,包括对疏水区域的暴露,氧化和酸化.
- 特定的酸化部位 (S68,S344) 改善了乳化;M35氧化和Y42酸化暴露了抗氧化剂序列.
- 治疗SS产生的小和增加在特定地点的可访问性 (S164,M222,S257,S353).
结论:
- 超热蒸汽 (SS) 是一种有效的方法来增强卵蛋白 (OVA) 的功能性质.
- 由SS诱导的分子修饰,如酸化和氧化,是提高功能的关键.
- 在食品加工中,SS治疗为优化蛋白质成分提供了显著的潜力.
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