Polyphenolic Content Evaluation in Branches of Rosa Canina L. and Hippophae Rhamnoides L. Species
Journal Title: BULETINUL INSTITUTULUI POLITEHNIC DIN IASI, CHIMIE SI INGINERIE CHIMICA - Year 2017, Vol 63, Issue 1
Abstract
This study evaluated the branches of Rosa canina L. and Hippophae rhamnoides L. in order to highlight new sources of polyphenols, condensed tannins and flavonoids. The phytochemical screening and ultravioletvisible and Fourier transform infrared spectroscopy analysis on biomass showed the presence of fine chemical constituents like polyphenols, flavonoids (rutin) and condensed tannins (catechin, epicatechin). The biomass has been evaluated to quantify the total polyphenols (gallic acid) and tannins (tannic acid) by instrumental methods (UV-VIS spectrometry). The results showed that the branches of R. canina contain polyphenols (1.77±0.067%g gallic acid equivalent/g) and tannins (1.45±0.029%g tannic acid equivalent/g), whilst the branches of H. Rhamnoides are somewhat richer (1.87±0.058%g gallic acid equivalent/g and 1.94±0.038%g tannic acid equivalent/g). These results open perspectives for advanced valorization of R. canina and H. rhamnoides branches, already known only for phytotherapeutical and nutritional potential of their fruits.
Authors and Affiliations
Oana Teodora CIUPERCĂ, CARMEN ELENA ȚEBRENCU, Irina Volf
Keywords
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