Article (Scientific journals)
Effects of sun-drying on physicochemical characteristics, phenolic composition and in vitro antioxidant activity of dark fig varieties
Bachir Bey, Mostapha; Richard, Gaetan; Meziant, Leila et al.
2016In Journal of Food Processing and Preservation, p. 8
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Keywords :
antioxidant activity; fig; phenolic profile; physicochemical; sun-drying
Abstract :
[en] The aim of this investigation was to study the effects of sun-drying on some physicochemical parameters, phenolic profiles, and antioxidant activities of three dark fig varieties. Sun-drying led to a decrease of weight and moisture content, an increase of sugar content, but not affect acidity. HPLC analysis revealed the presence of 22 phenolic compounds (14 phenolic acids and 8 flavonoids), including eight compounds that were detected for the first time. Phenolic acid contents decreased after sun-drying by about 29%, except cinnamic and gallic acids that were increased. Fresh dark fig contained high levels of flavonoids, particularly cyanidin 3-rutinoside and quercetin 3-rutinoside; sun-drying caused decrease in flavonoid contents by about 86%. There are a lot of antioxidant bioactive components besides the phenolic compounds as studied in this work; therefore, the reduction of phenolic compound content by sun-drying could mainly contribute to the reduction of antioxidant activity of the dark figs.
Disciplines :
Chemistry
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Bachir Bey, Mostapha;  Université de Bejaia, Algérie
Richard, Gaetan ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie générale et organique
Meziant, Leila;  Université de Bejaia, Algérie
Fauconnier, Marie-Laure  ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie générale et organique
Louaileche, Hayette;  Université de Bejaia, Algérie
Language :
English
Title :
Effects of sun-drying on physicochemical characteristics, phenolic composition and in vitro antioxidant activity of dark fig varieties
Publication date :
2016
Journal title :
Journal of Food Processing and Preservation
ISSN :
0145-8892
eISSN :
1745-4549
Publisher :
Blackwell Publishing
Pages :
8 p.
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 19 January 2017

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