Abstract
Piceatannol supplement significantly lowered the total cholesterols, low density lipoprotein cholesterol levels and the atherogenic index as compared to the HFD model which only have increased dietary cholesterol intake. Using untargeted mass spectrometry-based metabolomic platforms, multivariate statistics revealed that HFD significantly perturbed fatty acids, lysophospholipids, bile acids and conjugated bile acids. Reduced CYP7A1 protein expression and increase in glycocholate and taurodeoxycholate after piceatannol treatment suggested the conjugated bile acid might contribute to the cholesterol-lowering effect. For lipid profiles, lysoPC (20:2) and lysoPC (20:0) were decreased while the ratio of esterified arachidonic acid to esterified dihomo-γ linoleic acid was up-regulated for rats after piceatannol supplement. These results indicated that the therapeutic effect of piceatannol is associated with bile acid and fatty acid metabolisms and reduced absorption of dietary cholesterols.
Original language | English |
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Pages (from-to) | 127-137 |
Number of pages | 11 |
Journal | Journal of Functional Foods |
Volume | 28 |
DOIs | |
Publication status | Published - 1 Jan 2017 |
Keywords
- GC-MS.
- Hyperlipidemia
- Metabolomics
- Piceatannol
- Polyphenols
- UPLC-MS
ASJC Scopus subject areas
- Food Science
- Medicine (miscellaneous)
- Nutrition and Dietetics