Journal
JOURNAL OF FOOD SCIENCE
Volume 77, Issue 2, Pages C244-C252Publisher
WILEY
DOI: 10.1111/j.1750-3841.2011.02531.x
Keywords
developmental stages; globe artichoke; HPLC-DAD-ESI-MS; MS; plant parts; polyphenols
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Funding
- EU
- Italian Ministry of Economy and Finance [191/2009]
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Polyphenol compounds, particularly caffeoylquinic acids and flavonoids, were measured in different tissues and developmental stages of 6 artichoke varietal types diffused in the Mediterranean region. Flower heads were subdivided into external, intermediate, internal bracts, and receptacle, while leaves were collected at the vegetative and productive stages. The main polyphenols detected were chlorogenic acid, cynarin, luteolin 7-O-rutinoside, and luteolin 7-O-glucoside. Violet de Provence artichoke proved to retain the highest content of total phenols. Single polyphenols accumulated preferentially in specific parts of capitula. In leaves, most polyphenols were detected in the productive stage of the plant. Altogether, results provide useful indications for the promotion of artichoke as nutraceutical food and for the extraction of health-promoting substances in particular tissues/stages of the artichoke plant.
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