Identification of New Flavonoid Glycosides and Flavonoid Profiles To Characterize Rocket Leafy Salads (Eruca vesicaria and Diplotaxis tenuifolia)

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• 作者：Ascensi&oacute ; n Martí ; nez-Sá ; nchez ; Rafael Llorach ; Marí ; a I. Gil ; Federico Ferreres
• 刊名：Journal of Agricultural and Food Chemistry
• 出版年：2007
• 出版时间：February 21, 2007
• 年：2007
• 卷：55
• 期：4
• 页码：1356 - 1363
• 全文大小：143K
• 年卷期：v.55,no.4(February 21, 2007)
• ISSN：1520-5118

文摘

"Rocket" is a collective name used to term some species within the Eruca and Diplotaxis genera,whose leaves are characterized by a more or less pungent taste. Different approaches have beencarried out to differentiate both genera that have similar leaf morphologies. Following our researchin flavonoid profiling of the Brassicaceae family using high-performance liquid chromatography/ultraviolet-diode array detection/electrospray ionization mass spectroemtry, we have investigatedEruca vesicaria and Diplotaxis tenuifolia leaf samples as new ingredients of fresh salads. The MS/MS study allowed the identification of new naturally occurring quercetin mono- and diacyl-tri-O-glucosides and the elucidation of the flavonoid glycosylation and acylation patterns. Importantdifferences between flavonoid profiles of E. vesicaria and D. tenuifolia were observed. E. vesicariacontained kaempferol derivatives as principal compounds whereas D. tenuifolia instead accumulatedquercetin derivatives. The exhaustive study of the profiling of these species could help further studiesconcerning the bioavailability of these flavonoids for epidemiological or clinical intervention studiesbecause these species have considerable potential as healthy leafy salads because of the bioactivephytochemicals.