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ISHS Acta Horticulturae 1147: IX International Symposium on Artichoke, Cardoon and Their Wild Relatives

Biochemical evaluation of artichoke cultivars propagated by seed

Authors:   D. Di Venere, M. Pieralice, V. Linsalata, M.A. Gatto, L. Sergio, N. Calabrese
Keywords:   Cynara cardunculus, hybrids, nutraceuticals, polyphenols, inulin
DOI:   10.17660/ActaHortic.2016.1147.13
Abstract:
Artichoke hybrids propagated by seed have been recently introduced on markets and often represent a valid alternative to traditional vegetatively propagated cultivars. This paper deals with the biochemical evaluation of five artichoke hybrids propagated by seed ('Opera', 'Opal', 'Symphony', 'Madrigal', and 'Romolo') compared to the rooted offshoot propagated 'Violetto di Provenza'. On the edible part of buds, picked in the first decade of March in each year, HPLC polyphenolic patterns, phenol and inulin content, and antioxidant activity were evaluated. 'Opera' and 'Opal' showed the highest total phenol content (about 700-800 mg 100 g-1 f.w.) and antioxidant activity values; whereas, 'Romolo' showed the lowest content (about 350 mg 100 g-1 fw), even compared to 'Violetto di Provenza' (about 380 mg 100 g-1 fw). 'Opera' and 'Opal' showed an inulin content (2.5 and 2.4 g 100 g-1 fw, respectively) significantly higher than other cultivars. Variations in the range 10% were recorded for each cultivar between the two years. The obtained results could give useful indication on the suitability of the evaluated cultivars for different commercial uses, i.e., fresh consumption and/or processing.

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