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- W2185750487 abstract "Olive mill wastewater (OMWW) contains a substantial amount of valuable antioxidant phenols that can be recovered for industrial applications as food additives and pharmaceuticals. The present study aimed to extracting different phenolic OMW fractions and determining their antiradical potential as well as their effect on hexanal. Total phenolic content was measured according to the Folin-Ciocalteu method of OMWW either crude or acidified samples while the antiradical activities were assessed using 1, 1-diphenyl-2-picryl-hydrazyl ' radical (DPPH ) and -carotene bleaching tests. HPLC analysis showed that eight compounds were identified: 0 phenyl acids (gallic acid, vanillic acid, p-qumaric acid, caffeic acid, ferulic acid), phenyl alcohols (hydroxytyrosol, tyrosol), as well as rutin. Rancimat method using sunflower oil (SFO) as model system showed that antioxidant activity increased by 27.45% with SFO treated with 175ppm extracted phenloic compound compared with control sample. Prooxidant effect has obtained when increase concentrations to 350 and 525 ppm of phenolic compounds extracted from OMWW. The OMWW extract inhibited significantly (P=0.05) hexanal formation in SFO oil. (81.82% inhibition)." @default.
- W2185750487 created "2016-06-24" @default.
- W2185750487 creator A5040128876 @default.
- W2185750487 date "2014-01-01" @default.
- W2185750487 modified "2023-09-27" @default.
- W2185750487 title "Phenoilc Composition, Antiradical Activity and Effect on Hexanal of Olive Mill Wastewater" @default.
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- W2185750487 hasPublicationYear "2014" @default.
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