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Simeone A.M.,Cra Fruit Tree Research Center | Nota P.,Cra Fruit Tree Research Center | Del Toro A.,Cra Fruit Tree Research Center | Piazza M.G.,Cra Fruit Tree Research Center | And 3 more authors.
Acta Horticulturae | Year: 2012

Peach cultivars were compared for fruits polyphenol content by HPLC-DAD analysis. Skin and flesh of fruits of either white or yellow flesh cultivars, at the same ripening stage, were separately analysed. Neochlorogenic acid, chlorogenic acid, procyanidines, catechin, epicatechin, quercetins and anthocyanins were identified by comparison with commercial standard and UV spectra. The total content and relative distribution were dependent upon cultivars. No overall difference was found in the polyphenol content between yellow and white flesh peaches. In general, the skin had a higher total polyphenol content compared to flesh in all cultivars.

Forni C.,University of Rome Tor Vergata | Frattarelli A.,Cra Fruit Tree Research Center | Lentini A.,University of Rome Tor Vergata | Beninati S.,University of Rome Tor Vergata | And 2 more authors.
Plant Biosystems | Year: 2015

The antiproliferative activity of extracts from cell suspensions of strawberry (Fragaria x ananassa Duch.), blackberry (Rubus fruticosus L.), red raspberry (Rubus idaeus L.) and strawberry-tree (Arbutus unedo L.) on murine B16-F10 melanoma cells was investigated. To enhance the synthesis of the bioactive compounds, various elicitors, i.e. temperature (cold and cold/warm cycle), light (blue and red) and increased nitrogen concentration, were also applied to the cell cultures to evaluate the effects on their antiproliferative activity. The extracts from all the species reduced murine melanoma cell proliferation (between 30% and 38% relative to the control) and an improvement of antiproliferative activity on murine melanoma cells, relative to the un-elicited berry suspensions, was shown by the extracts from strawberry and strawberry-tree cells treated with red and blue light. © 2015 Società Botanica Italiana

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