{"refrec":{"BRefID":291613,"RR":"<b>Grignon-Dubois, M.; Rezzonico, B.</b> (2018). Phenolic chemistry of the seagrass <i>Zostera noltei</i> Hornem. Part 1: first evidence of three infraspecific flavonoid chemotypes in three distinctive geographical regions. <i>Phytochemistry 146</i>: 91-101. <a href=\"https://dx.doi.org/10.1016/j.phytochem.2017.12.006\" target=\"_blank\">https://dx.doi.org/10.1016/j.phytochem.2017.12.006</a>","BEntID":283656,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Phytochemistry 146</i>: 91-101. <a href=\"https://dx.doi.org/10.1016/j.phytochem.2017.12.006\" target=\"_blank\">https://dx.doi.org/10.1016/j.phytochem.2017.12.006</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Grignon-Dubois, M.; Rezzonico, B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Grignon-Dubois, M.; Rezzonico, B.","Englishabstract":"The flavonoid content of <i>Zostera noltei</i> leaves was investigated over a broad spatial scale using chromatographic and spectroscopic techniques (HPLC-DAD, LC/MS and NMR). Samples were collected at fifteen localities covering Mediterranean Sea and NE Atlantic coast, and representative of three types of coastal ecosystems: mesotidal bays, coastal lagoons, and open-sea. Three geographically distinct flavonoid chemotypes were identified on the basis of their respective major compound. One is characterized by apigenin 7-sulfate (Eastern part of Gulf of Cadiz), one by diosmetin 7-sulfate (French Atlantic coast and Mediterranean Sea), and the third contained similar quantities of the above two compounds (Mauritania and South Portugal). Our results show that metabolomic profiling using a combination of analytical techniques is a tool of choice to characterize chemical phenotype accurately. This work emphasizes for the first time the spatial variability in the flavonoid chemistry of <i>Z. noltei</i> throughout Atlantic and Mediterranean range, and constitutes the first report of chemical races in the Zosteraceae family. This infraspecific chemical differentiation should be considered when dealing with the role of <i>Z. noltei</i> in coastal ecosystems or in the selection of the best population donor for <i>Z. noltei</i> beds restoration. Combined with molecular identification, phenolic fingerprinting might be helpful to elucidate the evolutionary history of <i>Z. noltei.</i>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Phenolic chemistry of the seagrass <i>Zostera noltei</i> Hornem. 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