Phenolic profile of hazelnut (Corylus avellana L.) leaves cultivars grown in Portugal

Amaral, Joana S.; Ferreres, Frederico; Andrade, Paula B.; Valentão, Patrícia; Pinheiro, Cristina; Santos, Alberto; Seabra, Rosa M.

http://hdl.handle.net/10198/631

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Abstract(s)

In this study, phenolic compounds of hazelnut leaves of 10 different cultivars with the same cultural, geographical, geological and climatic conditions were analyzed by HPLC/DAD and HPLC/DAD/MS/MS – ESI. Eight phenolic compounds (3-caffeoylquinic acid, 5-caffeoylquinic acid, caffeoyltartaric acid, p-coumaroyltartaric acid, myricetin 3-rhamnoside, quercetin 3-glycoside, quercetin 3-rhamnoside and kaempferol 3-rhamnoside) were identified and quantified. All of the analyzed samples showed a similar phenolic profile, in which myricetin 3-rhamnoside and quercetin 3-rhamnoside were the major compounds and caffeoyltartaric and p-coumaroyltartaric acids were present in vestigial amounts.

Keywords

Corylus avellana L. Hazelnut leaves Phenolic compounds HPLC-DAD HPLC-DAD/MS

URI

http://hdl.handle.net/10198/631

Citation

Amaral, J.S.; Ferreres, F.; Andrade, P.B.; Valentão, P.; Pinheiro, C.; Santos, A.; Seabra, R.M. (2005). Phenolic profile of hazelnut (Corylus avellana L.) leaves cultivars grown in Portugal. Natural Product Research. ISSN 1478-6427. 19:2, p.157-163.