EnglishAphanizomenon flos-aquae (AFA) cyanobacteria from Klamath Lake (Oregon) are considered a “superfood”, due to their broad nutritional profile that has proved to have health-enhancing properties. AFA metabolome is quite complex. Here, we present a study that, combining multinuclear 1H, 31P and 13C Nuclear Magnetic Resonance (NMR) spectroscopy and high-resolution mass spectrometry, led to the detection of uncommon phosphorylated metabolites in AFA. We focused our attention on 31P NMR signals at 20 ppm, a chemical shift that usually points to the presence of phosphonates. The molecules contributing to 20 ppm 31P NMR signals revealed, instead, to be nucleoside 2’,3’-cyclic monophosphates. These metabolites were fully characterized by multinuclear 1H, 31P and 13C NMR spectroscopy and high-resolution mass spectrometry.
Nucleoside 2’,3’-cyclic monophosphates in Aphanizomenon flos-aquae detected through nuclear magnetic resonance and mass spectrometry / Zambon, A.; Righi, V.; Parenti, F.; Libertini, E.; Rossi, M. C.; Mucci, A.. - In: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. - ISSN 1520-5118. - 67(2019), pp. 12780-12785.
| Data di pubblicazione: | 2019 |
| Data di prima pubblicazione: | 8-nov-2019 |
| Titolo: | Nucleoside 2’,3’-cyclic monophosphates in Aphanizomenon flos-aquae detected through nuclear magnetic resonance and mass spectrometry |
| Autore/i: | Zambon, A.; Righi, V.; Parenti, F.; Libertini, E.; Rossi, M. C.; Mucci, A. |
| Autore/i UNIMORE: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1021/acs.jafc.9b05991 |
| Rivista: | |
| Volume: | 67 |
| Pagina iniziale: | 12780 |
| Pagina finale: | 12785 |
| Codice identificativo ISI: | WOS:000499743400019 |
| Codice identificativo Scopus: | 2-s2.0-85074951484 |
| Codice identificativo Pubmed: | 31647652 |
| Citazione: | Nucleoside 2’,3’-cyclic monophosphates in Aphanizomenon flos-aquae detected through nuclear magnetic resonance and mass spectrometry / Zambon, A.; Righi, V.; Parenti, F.; Libertini, E.; Rossi, M. C.; Mucci, A.. - In: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. - ISSN 1520-5118. - 67(2019), pp. 12780-12785. |
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