Journal
FOOD RESEARCH INTERNATIONAL
Volume 63, Issue -, Pages 252-257Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2014.05.024
Keywords
HepG2 cells; Triglyceride uptake; Lipase activity; LDL and HDL levels
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The influence of polyphenolic extracts from Annurca apple peel and flesh on lipid metabolism in human hepatocellular liver carcinoma (HepG2) cell lines was evaluated, and compared with those of other conventional cultivars, such as Red Delicious (RD), Pink Lady (PL), Fuji (F) and Golden Delicious (GD). Annurca flesh revealed the best inhibition capacity against lipase activity, and triglyceride levels in the cell medium increased by almost 20 times above control levels. Incubation with Annurca flesh polyphenols enhanced low-density lipoproteins (LDL) receptor binding activity by 40% and led to an increase in Apolipoprotein A1 (ApoA1) cell expression of 33.3% above control levels. Experimental data would indicate for Annurca flesh polyphenols a significant hypolipidemic potential in comparison with other more common apple cultivars, thus leading to hypothesise a helpful role in the prevention and care of diseases in subjects affected by metabolic syndrome and to propose the possibility of formulating therapeutically useful nutraceutical products. Undoubtedly, further in vivo and clinical studies are needed to confirm such healthy effects through diet. (C) 2014 Elsevier Ltd. All rights reserved.
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