Detection of phloridzin in strawberries (Fragaria x ananassa Duch.) by HPLC-PDA-MS/MS and NMR spectroscopy - Hilt,P.; Schieber,A.; Yildirim,C.; Arnold,G.; Klaiber,I.; Conrad,J.; Beifuss,U.; Carle,R. (J Agr Food Chem, 2003)