Date Palm Fruits as a Potential Source of Functional Dietary Fiber: A Review

Date palm fruits and their seeds are excellent sources of dietary fiber (DF). Date fruits contain 8.1–12.7 % Total DFs (of which 84–94 % is insoluble and 6–16 % soluble DF) and is very rich in phenolic antioxidants (1–2 %). Date fruit fibers are composed of cellulose and NSP. Moreover, date DF has i...

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Published inFOOD SCIENCE AND TECHNOLOGY RESEARCH Vol. 25; no. 1; pp. 1 - 10
Main Authors Mrabet, Abdessalem, Hammadi, Hamza, Rodríguez-Gutiérrez, Guillermo, Jiménez-Araujo, Ana, Sindic, Marianne
Format Journal Article Web Resource
LanguageEnglish
Published Tsukuba Japanese Society for Food Science and Technology 2019
The Japanese Society for Food Science and Technology
Japan Science and Technology Agency
Karger
Subjects
Antioxidants
Cellulose
Cellulose fibers
composition
Cultivars
Date
Dietary fiber
Fibers
Food
food industry
Food science
Fruits
Global marketing
Life sciences
Mannan
Oils & fats
Phenolic compounds
Phenols
Pretreatment
Sciences des denrées alimentaires
Sciences du vivant
Seeds
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Summary:Date palm fruits and their seeds are excellent sources of dietary fiber (DF). Date fruits contain 8.1–12.7 % Total DFs (of which 84–94 % is insoluble and 6–16 % soluble DF) and is very rich in phenolic antioxidants (1–2 %). Date fruit fibers are composed of cellulose and NSP. Moreover, date DF has important functional properties, such as water-holding capacity and oil-holding capacity. Date seeds contain about 15 % fiber, characterized by a high level of water-insoluble mannan fibers. It has been suggested that date fruits and seeds can be exploited in some food applications. In order to improve fiber yields, pretreatment procedures can be applied, which give excellent results in the case of date palm fibers. Date fruits are widely available in the global market, but there is still room for improvement, particularly in the revalorization of date processing waste, and secondary cultivars. The incorporation of date fruits and seeds as food ingredients would promote the presence of dates in the modern's consumer shopping basket. Present knowledge about different aspects of date DF, and suitable extraction methods and applications of date fiber (flesh and seed), will be the focus of this report.
Bibliography:ObjectType-Article-1
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scopus-id:2-s2.0-85064090103
ISSN:1344-6606
1881-3984
DOI:10.3136/fstr.25.1