期刊
FOOD CHEMISTRY
卷 121, 期 1, 页码 105-111出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2009.12.013
关键词
Phenols; Oleocanthal; Virgin olive oil; Olive oil pomace; Antioxidant activity
资金
- National Park of Cilento (Campanian region, Italy)
Virgin olive oil (VOO) has nutritional and sensory characteristics that make it unique and a basic component of the Mediterranean diet. Its importance is mainly attributed to its richness in polyphenols which, act as natural antioxidants and may contribute to the prevention of several human diseases In this paper. we report the determination and quantification of oleocanthal, one of the main Substances responsible for the bitter taste of olive oil, together with a quali-quantitative analysis by HPLC analytical methods of phenolics from Cilento VOO and olive oil pomace. The total phenolic content was also determined and the in vitro antioxidant and free-radical scavenging activities by DPPH test was evaluated. A superoxide anion enzymatic assay was also carried Out and the results were confirmed by the inhibition of xanthine oxidase activity assay. The possible protective role played by VOO secoiridoids on injurious effects of reactive oxygen metabolites on the intestinal epithelium, using Caco-2 human cell line, was investigated. (C) 2009 Elsevier Ltd. All Fights reserved.
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