The volatilefractionsofCapegooseberryandblueberryweredeterminedbyheadspacesolid-phase microextractioncoupledwithcomprehensivetwo-dimensionalgaschromatographywithtime-of-flight mass spectrometry(HS-SPME/GCGC-TOFMS).Thehighestamountofalcohol(51.8%),ester(32.8%)and carboxylicacid(6.9%)wasinblueberryincomparisonwithgooseberryandoppositelyketones(14.7%), aldehydes(9.9%)andterpenes(8%)werefoundingooseberry.Thebioactivecompoundsandantioxidant capacities werehigherinblueberriesthaningooseberries.Threedimensional fluorescenceemission spectrometry (3D-FL)wasappliedtodetermineandtocompareexperimentallyfoundbinding parametersofberriesextractswithhumanserumalbumin(HSA).The fluorescence quenchingofHSA by polyphenolsfromberrieswasaresultoftheformationofapolyphenol–HSA complex.Thebinding abilities ofberrieswerehighlycorrelatedwiththebioactivityofpolyphenolsandvolatilesubstances. The clusteranalysis(CA)andlineardiscriminantanalysis(LDA)wasappliedtodifferentiatetheberries samples accordingtotheirtype.
Authors
- dr inż. Tomasz Dymerski link open in new tab ,
- prof. dr hab. inż. Jacek Namieśnik link open in new tab ,
- Kann Vearasilp,
- Patricia Arancibia-Avila,
- Fernando Toledo,
- Elena Katrich,
- Shela Gorinstein
Additional information
- DOI
- Digital Object Identifier link open in new tab 10.1016/j.talanta.2014.11.061
- Category
- Publikacja w czasopiśmie
- Type
- artykuł w czasopiśmie wyróżnionym w JCR
- Language
- angielski
- Publication year
- 2015
