Identification and Anti-oxidant Capacity Determination of Phenolics and their Glycosides in Elderflower by On-line HPLC-CUPRAC Method
Date
2014Author
Celik, S. Esin
Apak, Resat
Ozyurek, Mustafa
Gueclue, Kubilay
Capanoglu, Esra
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IntroductionDevelopment and application of an on-line cupric reducing anti-oxidant capacity (CUPRAC) assay coupled with HPLC for separation and on-line determination of phenolic anti-oxidants in elderflower (Sambucus nigra L.) extracts for their anti-oxidant capacity are significant for evaluating health-beneficial effects. Moreover, this work aimed to assay certain flavonoid glycosides of elderflower that could not be identified/quantified by other similar on-line HPLC methods (i.e. 2,2-diphenyl-1-picrylhdrazyl and 2, 2'-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid).
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