期刊
BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES
卷 1861, 期 1, 页码 1-8出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbamem.2018.10.008
关键词
Sinapic add; Antioxidant; Lipid peroxidation; Membrane
资金
- Erasmus Mundus Action 2 Project (Basileus III Project)
- Slovenian Research Agency [P4-0121]
The efficiencies of sinapic acid and its derivatives syringic acid, syringaldehyde, three sinapoyl esters (ethyl, propyl, butyl sinapates), 4-vinylsyringol and sinapine were investigated for prevention of lipid peroxidation in correlation with their interactions with model lipid membrane systems. Significant antioxidant activities of propyl and butyl sinapates were seen by fluorimetric assay in phosphatidylcholine liposomes as model membrane using C11-BODIPV581/591 lipophilic fluorescent probe. The sinapic acid esters also had the highest impact on membrane structural properties, as observed by differential scanning calorimetry and fluorescence polarisation measurements. The greatest protection of phospholipids from peroxidation by these esters correlated well with their polarity and insertion into the lipid bilayer.
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