Journal
FOOD CHEMISTRY
Volume 115, Issue 2, Pages 775-784Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2008.12.071
Keywords
Mountain papaya; Vasconcellea pubescens A. DC.; Chilean crop; HPLC-DAD; HPLC-ESI-MS; Antioxidant phenolic compounds
Funding
- Programa Bicentenario de Ciencia y Tecnologia de Chile (PBCT) [PSD-17]
- Programa de Investigacion en Productos Bioactivos
- Programa de Investigacion Frutilla Chilena Integral, Universidad de Talca
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The quercetin glycosides rutin and manghaslin were isolated from the fruits of the mountain papaya Vasconcellea pubescens A. DC. grown in Chile by selective fractionation using the bleaching of the free radical scavenger 1,1-diphenyl-2-picrylhydrazyl (DPPH center dot) as the guiding assay. The structures were characterized by spectroscopic methods. Furthermore, 19 phenolic compounds were identified for the first time in the edible fruits by HPLC with UV and ESI-MS-MS detection. Ten of the compounds detected in the fruits and active fractions were tentatively characterized as hydroxycinnamic acid glycosides and nine as quercetin glycoside derivatives. The results provide relevant information on the low molecular weight constituents of this important fruit crop. (C) 2008 Elsevier Ltd. All rights reserved.
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