Title
Polyphenol extraction optimisation from Ceylon gooseberry (Dovyalis hebecarpa) pulp
Date Issued
01 December 2014
Access level
open access
Resource Type
journal article
Author(s)
The Ohio State University
Publisher(s)
Elsevier Ltd
Abstract
Originally from Asia, Dovyalis hebecarpa is a dark purple/red exotic berry now also produced in Brazil. However, no reports were found in the literature about phenolic extraction or characterisation of this berry. In this study we evaluate the extraction optimisation of anthocyanins and total phenolics in D. hebecarpa berries aiming at the development of a simple and mild analytical technique. Multivariate analysis was used to optimise the extraction variables (ethanol:water:acetone solvent proportions, times, and acid concentrations) at different levels. Acetone/water (20/80 v/v) gave the highest anthocyanin extraction yield, but pure water and different proportions of acetone/water or acetone/ethanol/water (with >50% of water) were also effective. Neither acid concentration nor time had a significant effect on extraction efficiency allowing to fix the recommended parameters at the lowest values tested (0.35% formic acid v/v, and 17.6 min). Under optimised conditions, extraction efficiencies were increased by 31.5% and 11% for anthocyanin and total phenolics, respectively as compared to traditional methods that use more solvent and time. Thus, the optimised methodology increased yields being less hazardous and time consuming than traditional methods. Finally, freeze-dried D. hebecarpa showed high content of target phytochemicals (319 mg/100 g and 1421 mg/100 g of total anthocyanin and total phenolic content, respectively). © 2014 Elsevier Ltd. All rights reserved.
Start page
347
End page
354
Volume
164
Language
English
OCDE Knowledge area
BiotecnologÃa agrÃcola, BiotecnologÃa alimentaria
Alimentos y bebidas
Subjects
Scopus EID
2-s2.0-84901916249
PubMed ID
Source
Food Chemistry
ISSN of the container
03088146
Sponsor(s)
The authors are thankful to Conselho Nacional de Desenvolvimento CientÃfico e Tecnológico (CNPq, Brazil) for a doctorate fellowship, to the Coordenação de Aperfeiçoamento de Pessoal de NÃvel Superior (Capes, Brazil), Fulbright Commission (USA), and The Ohio State University ( OSU , Columbus, OH, USA) for the support during the study period abroad. We are also grateful to Josenilda Palmeira Rodriguez for supplying the sample used in this work.
Sources of information:
Directorio de Producción CientÃfica
Scopus