Seeds Mineral Profile and Ash Content of Thirteen Different Genotypes of Cultivated and Wild Cardoon over Three Growing Seasons
Marina Giménez-Berenguer | Salvatore Alfio Salicola | Claudia Formenti | María José Giménez | Giovanni Mauromicale | Pedro Javier Zapata | Sara Lombardo | Gaetano Pandino
Cultivated and wild cardoons are versatile plants with significant economic and bioactive potential. They have gained attention in recent years for their nutritional value and potential health benefits due to their high mineral content and unique composition. The aim of this study was to investigate the variations in mineral composition and ash content of thirteen distinct genotypes (four commercial, four wild, and five self-developed by Catania University) of cultivated and wild cardoon seeds over three consecutive growing seasons. The results showed that ash content and macro and micro-elements are significantly influenced by environmental conditions, genetic factors, and the interaction between both. For example, ash content showed notable fluctuations over the three seasons, with the lowest value recorded in season 2, probably linked to the higher rainfall level with respect to seasons 1 and 3. The genotypes self-developed showed the highest mean content of all micro-mineral elements under study, with Zn and Cu peaking in Linea 7. In general, it was reported that cardoon seeds are a valuable source of macro and micro-elements, highlighting, in particular, the potential of the genotypes developed by Catania University. This research provides, for the first time, valuable insights into the long-term consistency and variability of mineral content and ash composition in cardoon seeds, contributing to a more comprehensive understanding of their nutritional value and potential applications.
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