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Nat Prod Res

Title:		Bioactives and nutraceutical phytochemicals naturally occurring in virgin olive oil. The case study of the Nocellara del Belice Italian olive cultivar
Author(s):		Ranalli F; Ranalli A; Contento S; Casanovas M; Antonucci M; Simone GD;
Address:		"a Pharmacy of Nocciano , Via Roma 34/a, 65010 Nocciano , Pescara , Italy"
Journal Title:		Nat Prod Res
Year:		2013
Volume:		20130129
Issue:		18
Page Number:		1686 - 1690
DOI:		10.1080/14786419.2012.762918
ISSN/ISBN:		1478-6427 (Electronic) 1478-6419 (Linking)
Abstract:		"This work reports on the composition and bionutritional value of organic virgin olive oil from the Nocellara del Belice variety, one cultivated in the olive areas of the Sicily region, Italy. Destoned oils obtained by processing olives with a destoning-based procedure were compared with conventional oils. This innovative technique, consisting in removing the stone from fruits prior to processing, strongly enhanced the already high-quality level of the conventional product. An in-depth analytical investigation from 2008 to 2010 showed how this innovative olive extraction process led to an excellent peculiar final product, mainly attributable to the improved biophenol and volatile composition, as well as higher concentrations of the lipophilic and vitamin antioxidants (tocopherols and tocotrienols). It had higher levels of oleocanthal (p-HPEA-EDA), a nutraceutical compound exerting actions against COX1 and COX2 (cycloxygenases). Its head-space aroma displayed new volatile phytomolecules and also had higher levels of green volatiles from the lipoxygenase (LOX)-pathway (one having as precursors the polyunsaturated fatty acids containing a cis-cis-1,4-pentadiene system). Among the other bioactives, we highlight its significant levels of trans-beta-carotene and xanthophylls (lutein, violaxanthin, neoxanthin and other carotenoids). Its enhanced nutritional value was also attributable to the increased intensity of valuable tasting notes"
Keywords:		Aldehydes/chemistry Antioxidants/chemistry Carotenoids/chemistry Cyclopentane Monoterpenes Lutein/chemistry Olea/*chemistry/*metabolism Olive Oil Phenols/chemistry Phytochemicals/*chemistry Plant Oils/*chemistry Tocopherols/chemistry Xanthophylls/chemistr;
Notes:		"MedlineRanalli, F Ranalli, A Contento, S Casanovas, M Antonucci, M Simone, G Di eng Research Support, Non-U.S. Gov't England 2013/01/30 Nat Prod Res. 2013; 27(18):1686-90. doi: 10.1080/14786419.2012.762918. Epub 2013 Jan 29"