Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/57929

TítuloRevalorisation of rapeseed pomace extracts: an in vitro study into its anti-oxidant and DNA protective properties
Autor(es)Pohl, Franziska
Goua, Marie
Bermano, Giovanna
Russell, Wendy R.
Scobbie, Lorraine
Maciel, P.
Kong Thoo Lin, Paul
Palavras-chaveRapeseed pomace
Soxhlet extraction
Reducing capacity (FC)
Radical scavenging activity (DPPH)
Ferric iron reducing antioxidant power (FRAP)
Oxygen-radical absorbance capacity assay (ORAC)
pBR322 plasmid DNA
RevistaFood Chemistry
Resumo(s)Rapeseed pomace (RSP) is a waste product obtained after edible oil production from Brassica napus. Analysis of ubiquitous secondary metabolites in RSP samples (two breeds, harvested in 2012/2014 respectively from North East of Scotland) and their ethanol/water (95:5) Soxhlet extracts were carried out. Soxhlet extraction of the RSP (petroleum ether followed by 95% ethanol) gave a solid extract. LC-MS/MS data of the extracts revealed several secondary metabolites, with Sinapic acid being the most abundant. Strong antioxidant activities of the Soxhlet extracts were confirmed from the results obtained in the FRAP, DPPH and ORAC assays. Furthermore, for the very first time, RSP extracts (13.9µg/ml) provided complete DNA protection, from oxidative stress induced by AAPH (3.5mM). Therefore the strong antioxidant and DNA protecting properties demonstrated by the RSP extracts in this study warrants further investigation for their revalorisation and potential use as reliable source of antioxidants in different food applications.
Versão da editorawww.elsevier.com/locate/foodchem
Arbitragem científicayes
AcessoembargoedAccess (1 Year)
Aparece nas coleções:ICVS - Artigos em Revistas Internacionais com Referee

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