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Characterisation and jelly processing potential of different fig cultivars

Characterisation and jelly processing potential of different fig cultivars The purpose of this paper is to characterise eight different fig cultivars with respect to antioxidant activity and bioactive compound content and to assess the influence of these cultivars on the physicochemical characteristics, rheological properties and sensory acceptance of the obtained jelly to identify cultivars with increased potential for processing when grown in subtropical regions.Design/methodology/approachThe analyses of fig fruits and fig jellies were performed in triplicate. To characterise the fig cultivars, analyses of antioxidant activity, phenolic compound content and ascorbic acid concentration were performed on fresh fruits. For the jellies, the total titratable acidity, pH, soluble solids, colour, texture profile and sensory attributes were analysed.FindingsWith respect to antioxidant activity and bioactive compounds, the Roxo de Valinhos displayed the highest antioxidant activity according to the ABTS method, ß-carotene and DPPH; the Três num Prato, Lemon and Brunswick cultivars presented the highest ascorbic acid values; and the Três num Prato cultivar also had the highest total phenolic content. Generally, the various fig cultivars yielded jellies with different physical and chemical characteristics and different rheological properties. This variation did not significantly affect acceptability. This study demonstrates that all of the evaluated cultivars have high potential for processing.Originality/valueThis study evaluated the processing potential of Roxo de Valinhos and other fig cultivars in the form of jelly, which in view of the food risk concerns of the dried fig, seems to be an interesting alternative for consumption of processed fig. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png British Food Journal Emerald Publishing

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References (47)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0007-070X
DOI
10.1108/bfj-03-2019-0201
Publisher site
See Article on Publisher Site

Abstract

The purpose of this paper is to characterise eight different fig cultivars with respect to antioxidant activity and bioactive compound content and to assess the influence of these cultivars on the physicochemical characteristics, rheological properties and sensory acceptance of the obtained jelly to identify cultivars with increased potential for processing when grown in subtropical regions.Design/methodology/approachThe analyses of fig fruits and fig jellies were performed in triplicate. To characterise the fig cultivars, analyses of antioxidant activity, phenolic compound content and ascorbic acid concentration were performed on fresh fruits. For the jellies, the total titratable acidity, pH, soluble solids, colour, texture profile and sensory attributes were analysed.FindingsWith respect to antioxidant activity and bioactive compounds, the Roxo de Valinhos displayed the highest antioxidant activity according to the ABTS method, ß-carotene and DPPH; the Três num Prato, Lemon and Brunswick cultivars presented the highest ascorbic acid values; and the Três num Prato cultivar also had the highest total phenolic content. Generally, the various fig cultivars yielded jellies with different physical and chemical characteristics and different rheological properties. This variation did not significantly affect acceptability. This study demonstrates that all of the evaluated cultivars have high potential for processing.Originality/valueThis study evaluated the processing potential of Roxo de Valinhos and other fig cultivars in the form of jelly, which in view of the food risk concerns of the dried fig, seems to be an interesting alternative for consumption of processed fig.

Journal

British Food JournalEmerald Publishing

Published: Jul 9, 2019

Keywords: Processing; Ficus carica; Jelly; Sensory acceptance

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