Saleh Rayyan
Saleh Rayyan
Associate Professor
Faculty Member - Department Of Chemistry
PhD
University of Bergen
Office:
SCI302
Date of birth |
February 7th 1975 |
Languages |
Arabic, English and Norwegian |
Education |
Title of thesis: “Chemical studies of dimeric and monomeric flavonoids from plants”
Title of Thesis: ²Dissociation of Organic Salts in 1,1',1''-Trifluorotoluene”.
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Work Experience |
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- Midttun, O.; Kvalheim, G.; Ueland, P. M. (2013). High-throughput, low-volume, multianalyte quantification of plasma metabolites related to one-carbon metabolism using HPLC-MS/MS, Analytical and Bioanalytical Chemistry, 405, 2009-2017.
- Rayyan S., Fossen T. and Andersen Ø. M. (2010). Flavone C-glycosides from Seeds of Fenugreek, Trigonella foenum-graecum L. J. of Agricultural and Food Chemistry, 58, 7211–7217.
- Bjorøy, Ø., Rayyan, S., Fossen, T. and Andersen, Ø. M., (2009).Structural Properties of Anthocyanins – Rearrangement of C-glycosyl-3-deoxyanthocyanidins in Acidic Aqueous Solutions. J. of Agricultural and Food Chemistry, 57 (15), 6668-6677.
- Bjorøy, Ø., Rayyan, S., Fossen, T., Kalberg, K., Andersen, Ø. M., 2009. Anthocyanidin C-glycosides from flavone C-glycosides. Phytochemistry, 70, 278-287.
- Fossen T., Rayyan S., Holmberg M. H, Nimtz M.and Andersen Ø. M. (2007). Covalent anthocyanin-flavone dimer from leaves of Oxalis triangularis, Phytochemistry,68 (5), pp. 652-662.
- Fossen, T., Jordheim, M., Bjorøy, Ø., Holmberg, M. H., Rayyan, S. and Andersen, Ø. M. (2006)Characterization of novel flavonoid classes by NMR spectroscopy. Det 9. Nasjonale NMR-møteSkeikampen Hotell, Lillehammer, 10-12 januar 2006.
- Fossen, T., Rayyan, S., Holmberg, M. H., Nimtz, M. and Andersen, Ø. M. (2006). Characterization of novel flavonoids from leaves of Oxalis triangularis including equilibrium forms of a covalent anthocyanin-flavone C-glycoside. Polyphenols Communications 2006, 93-94.
- Rayyan, S., Fossen, T. and Andersen, Ø. M. (2005). Flavonoids from the herbal drug “Crataegi folium cum flore”, hawthorn. Nordic Natural Products Meeting – Pharmacognosy and Chemistry, Tjärnö, Sweden June 13-15 2005.
- Rayyan S., Fossen T. and Andersen Ø. M. (2005). Flavone C-glycosides from leaves of Oxalis triangularis., J. of Agricultural and Food Chemistry, 53 (26), 10057-10060.
- Rayyan S., Fossen T., Nateland H. S. and Andersen Ø. M. (2005). Isolation and identification of flavonoids including flavone rotamers from the herbal drug “Crataegi folium cum flore”, hawthorn. Phytochemical Analysis, 16, 334-341.
- Fossen T., Rayyan S., Holmberg M. H., Nateland H. S. and Andersen Ø. M. (2005). Acylated anthocyanins from leaves of Oxalis triangularis, Phytochemistry, 66, 1133-1140.
- Fossen, T., Rayyan, S. and Andersen, Ø. M. (2005). Flavonoid constituents of the herbal drug ”Crataegi folium cum flore”, hawthorn. Farmasidagene 2005, Oslo, 27-29 October 2005.
- Fossen, T., Rayyan, S., Torskangerpoll, K. and Andersen, Ø. M. (2004). Characterization of complex plant pigments by NMR spectroscopy. Det 8. Nasjonale NMR-møte Quality Hotel Hafjell, Øyer, Lillehammer, 12-14 January 2004.
- Rayyan, S., Fossen, T. and Andersen, Ø. M. (2004). Flavonoids from Crataegus flos Det 8. Nasjonale NMR-møteQuality Hotel Hafjell, Øyer, Lillehammer, 12-14 januar 2004.
- Fossen T., Rayyan S., Andersen Ø. M. (2004). Dimeric anthocyanins from strawberry (Fragaria ananassa) consisting of pelargonidin 3-glucoside covalently linked to four flavan-3-ols. Phytochemistry, 65, 1421-1428.
- S. Boitsov, K. Børve, S. Rayyan, K. W. Tornroos, and J. Songstad (2003). Conductivity studies in Benzotrifluoride. Journal of molecular liquids, 103-104, 221-233.
- El-Sayrafi S. and Rayyan S. (2001). Intramolecular Acylation of Aryl- and Aroyl-Aliphatic Acids by the Action of Pyrophosphoryl Chloride and Phosphorus Oxychloride. Molecules, 6, 279-286.