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对臭氧化高油性向日油的物理化学行为的新视角
Anca-Roxana Petrovici1, Vasile Paraschiv2, Alina Nicolescu3
1Centre of Advanced Research in Bionanoconjugates and Biopolymers Department, "Petru Poni" Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, Iasi, 700487, Romania. petrovici.anca@icmpp.ro.
Scientific reports
|February 2, 2026
概括
臭氧化高油性向日油 (SFO) 和其水乳液显示出出色的稳定性和抗氧化特性. 水加快了臭氧化过程,增强了SFO.
科学领域:
- 食品化学 食品化学
- 脂质氧化作用 脂质氧化作用
- 臭氧化技术的技术
背景情况:
- 高油性向日油 (SFO) 具有固有的抗氧化特性.
- 有限的研究存在于臭氧化SFO的物理化学表征.
- 了解臭氧对SFO的影响对于潜在的应用至关重要.
研究的目的:
- 为了描述臭氧化SFO及其水乳液.
- 评估臭氧化对SFO稳定性和抗氧化能力的影响.
- 调查水在SFO臭氧化过程中的作用.
主要方法:
- 冷压的SFO经过了臭氧化,无论是干净的还是作为水-SFO乳液 (1:9比).
- 评估了物理化学性质 (酸性价值,过氧化物价值,风病学).
- 评估了结构分析 (NMR,FTIR) 和抗氧化活性 (自由基中和,Fe2+结合,脂质膜保护).
主要成果:
- 臭氧化SFO样本表现出优异的长期稳定性,这是6个月的稳定酸和过氧化物值所表明的.
- 臭氧化增加了粘度和流动激活能量,超过了原始SFO.
- 通过Criegee的机制,NMR和FTIR证实了高度的臭氧化,水加快了这个过程.
- 两种臭氧化SFO类型都表现出强大的抗氧化能力,包括自由基清除和金属离子化.
结论:
- 臭氧化显著提高高油性向日油的稳定性和抗氧化特性.
- 水的存在加快了SFO的臭氧化,提供了潜在的加工优势.
- 臭氧化SFO显示出作为一种功能成分的前景,需要进一步的体外研究.
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