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球菌Oenococcus oeni可以增加果中的抗高血压和抗氧化活性
Irina Kristof1,2, Silvana Cecilia Ledesma1,2, Gisselle Raquel Apud1,2
1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
Heliyon
|June 19, 2023
概括
由Oenococcus oeni进行的乳发酵 (MLF) 增强了酒的抗氧化和抗高血压特性. 这一过程增加了有益的化合物,并增强了激素清除和酶抑制活动.
科学领域:
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
- 生物化学 生化学
背景情况:
- 乳发酵 (MLF) 是葡萄酒制作中的一个关键过程,通常涉及Oenococcus oeni.
- 酒生产可以从了解微生物转变中获益,从而增强其促进健康的特性.
- 化合物和基物质显著影响发酵饮料的生物活性.
研究的目的:
- 研究Oenococcus oeni驱动的MLF对酒抗高血压和抗氧化活性的影响.
- 在酒中MLF期间分析化合物 (PC) 和有机化合物的修饰.
- 评估MLF后抗氧化能力和血管素I转化酶 (ACE) 抑制活性的变化.
主要方法:
- 使用三种不同的Oenococcus oeni菌株诱导酒中的MLF.
- 使用色谱技术量化17种化合物 (PCs).
- 测量了总蛋白质,类,FRAP (Ferric Reducing Antioxidant Power),ABTS (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)) 激素清除活性,以及 ACE 抑制活性.
主要成果:
- MLF改变了的特征,咖啡酸是最丰富的,而罗, (-) - 皮甲基和米瑞仅出现在乳糖酒中.
- 总蛋白质度下降,而酸显著增加,表明细胞外蛋白质溶解活性.
- 抗氧化活性 (FRAP和ABTS) 和ACE抑制活性显著增加,分别达到120.9μmolFeSO4/mL,6.8mmol酸/L和39.8%.
结论:
- 由Oenococcus oeni进行的乳发酵显著增强了酒的抗氧化和抗高血压潜力.
- 在和化合物中观察到的变化有助于改善生物活动.
- MLF代表了一种有价值的生物技术工具,用于增强酒的功能特性和商业价值.
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