Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)

Abstract Date fruits vary widely in the hardness of their edible parts and they are classified accordingly into soft, semi-dry, and dry varieties. Fruit texture, a significant parameter in determining consumer acceptance, is related to the tissue structure and chemical composition of the fruit, main...

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Autores principales:	Afaf Kamal-Eldin, Navomy George, Bhawna Sobti, Nouf AlRashidi, Sami Ghnimi, Abdul Aziz Ali, Annica A. M. Andersson, Roger Andersson, Asha Antony, Fathalla Hamed
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f30e0dc5dae74421b21e253b91175ad8
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spelling	oai:doaj.org-article:f30e0dc5dae74421b21e253b91175ad82021-12-02T12:33:15ZDietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)10.1038/s41598-020-78713-42045-2322https://doaj.org/article/f30e0dc5dae74421b21e253b91175ad82020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78713-4https://doaj.org/toc/2045-2322Abstract Date fruits vary widely in the hardness of their edible parts and they are classified accordingly into soft, semi-dry, and dry varieties. Fruit texture, a significant parameter in determining consumer acceptance, is related to the tissue structure and chemical composition of the fruit, mainly the ratio of sucrose to reducing sugars. This study aimed to understand the relationship between the chemical composition, microstructure, and texture profile of 10 major Emirati date fruits. The soluble sugars, glucose and fructose, represent ca 80 g/100 g of the fruits on the basis of dry weight (DW) while the dietary fiber contents varied 5.2–7.4 g/100 dg D.W. with lignin being the main determinant of the variability. The textures of the samples were studied using instrumental texture profile analysis. While no correlation was found between the soluble sugar and texture parameters in this study, the different fiber constituents correlated variably with the different parameters of date fruit texture. Lignin, arabinoxylan, galactomannan, and pectin were found to correlate significantly with fruit hardness and the related parameters, gumminess and chewiness. Both lignin and arabinoxylan correlated with resilience, and arabinoxylan exhibited a strong correlation with cohesiveness.Afaf Kamal-EldinNavomy GeorgeBhawna SobtiNouf AlRashidiSami GhnimiAbdul Aziz AliAnnica A. M. AnderssonRoger AnderssonAsha AntonyFathalla HamedNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Afaf Kamal-Eldin Navomy George Bhawna Sobti Nouf AlRashidi Sami Ghnimi Abdul Aziz Ali Annica A. M. Andersson Roger Andersson Asha Antony Fathalla Hamed Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
description	Abstract Date fruits vary widely in the hardness of their edible parts and they are classified accordingly into soft, semi-dry, and dry varieties. Fruit texture, a significant parameter in determining consumer acceptance, is related to the tissue structure and chemical composition of the fruit, mainly the ratio of sucrose to reducing sugars. This study aimed to understand the relationship between the chemical composition, microstructure, and texture profile of 10 major Emirati date fruits. The soluble sugars, glucose and fructose, represent ca 80 g/100 g of the fruits on the basis of dry weight (DW) while the dietary fiber contents varied 5.2–7.4 g/100 dg D.W. with lignin being the main determinant of the variability. The textures of the samples were studied using instrumental texture profile analysis. While no correlation was found between the soluble sugar and texture parameters in this study, the different fiber constituents correlated variably with the different parameters of date fruit texture. Lignin, arabinoxylan, galactomannan, and pectin were found to correlate significantly with fruit hardness and the related parameters, gumminess and chewiness. Both lignin and arabinoxylan correlated with resilience, and arabinoxylan exhibited a strong correlation with cohesiveness.
format	article
author	Afaf Kamal-Eldin Navomy George Bhawna Sobti Nouf AlRashidi Sami Ghnimi Abdul Aziz Ali Annica A. M. Andersson Roger Andersson Asha Antony Fathalla Hamed
author_facet	Afaf Kamal-Eldin Navomy George Bhawna Sobti Nouf AlRashidi Sami Ghnimi Abdul Aziz Ali Annica A. M. Andersson Roger Andersson Asha Antony Fathalla Hamed
author_sort	Afaf Kamal-Eldin
title	Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
title_short	Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
title_full	Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
title_fullStr	Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
title_full_unstemmed	Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)
title_sort	dietary fiber components, microstructure, and texture of date fruits (phoenix dactylifera, l.)
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/f30e0dc5dae74421b21e253b91175ad8
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Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)

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