Evaluation of polyphenolic fingerprints and antioxidant profiles of wild fruits
2016
Sima, Ioana Anamaria | Sârbu, Costel
High‐performance thin‐layer chromatography and UV–vis spectrometry, coupled with multivariate exploratory techniques, have been investigated to fingerprint some local wild fruit extracts. The study was conducted using extracts of sea buckthorn (Hippophae rhamnoides), bilberry (Vaccinium myrtillus), cranberry (Vaccinium oxycoccos), rose hip (Cynosbati fructus), blackberry (Rubus fruticosus), raspberry (Rubus idaeus) and less‐known berries such as cornelian cherry (Cornus mas) and blackthorn (Prunus spinosa), all acquired from local markets. The extracts were firstly subjected to chromatographic separation coupled with digital image analysis and secondly to spectrophotometric analysis. Also, the DPPH˙ scavenging profiles were investigated through the UV–vis spectrum (200–700 nm), and RSA%–time profiles were determined for the first time using these samples, at different concentrations.
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