Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen

Seasonal variations in the fatty acid (FA) compositions of pollen loads collected from the Al-Ahsa Oasis in eastern Saudi Arabia throughout one year were determined to identify the optimal season for harvesting bee pollen rich in essential fatty acids (EFAs) and unsaturated fatty acids (UFAs). The h...

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Main Authors: Saad N. Al-Kahtani, El-Kazafy A. Taha, Soha A. Farag, Reda A. Taha, Ekram A. Abdou, Hatem M Mahfouz
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Biology
Subjects:
Online Access:https://www.mdpi.com/2079-7737/10/6/495
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author Saad N. Al-Kahtani
El-Kazafy A. Taha
Soha A. Farag
Reda A. Taha
Ekram A. Abdou
Hatem M Mahfouz
author_facet Saad N. Al-Kahtani
El-Kazafy A. Taha
Soha A. Farag
Reda A. Taha
Ekram A. Abdou
Hatem M Mahfouz
author_sort Saad N. Al-Kahtani
collection DOAJ
description Seasonal variations in the fatty acid (FA) compositions of pollen loads collected from the Al-Ahsa Oasis in eastern Saudi Arabia throughout one year were determined to identify the optimal season for harvesting bee pollen rich in essential fatty acids (EFAs) and unsaturated fatty acids (UFAs). The highest values (%) of lipids, linolenic acid (C<sub>18:3</sub>), stearic acid (C<sub>18:0</sub>), linoleic acid (C<sub>18:2</sub>), arachidic acid (C<sub>20:0</sub>), the sum of the C18:0, C18:1, C18:2, and C18:3 concentrations, and EFAs were obtained from bee pollen harvested during autumn. The maximum values (%) of oleic acid (C<sub>18:1</sub>), palmitic acid (C<sub>16:0</sub>), UFAs, and the UFA/saturated fatty acid (SFA) ratio were found in bee pollen harvested during summer. The highest concentrations (%) of behenic acid (C<sub>22:0</sub>), lignoceric acid (C<sub>24:0</sub>), and SFAs were found in bee pollen harvested during winter. Bee pollen harvested during spring ranked second in its oleic, palmitic, linolenic, stearic, arachidic, behenic, and lignoceric acid concentrations and for EFAs, UFAs, and the UFA/SFA ratio. The lowest SFA concentration was found in bee pollen harvested during summer. Oleic, palmitic, and linolenic acids were the most predominant FAs found in bee pollen. It was concluded that the FA composition of bee pollen varied among the harvest seasons due to the influence of the dominant botanical origins. We recommend harvesting pollen loads during spring and summer to feed honeybee colonies during periods of scarcity and for use as a healthy, nutritious food for humans.
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spelling doaj.art-095183fbe946470596d57aa049953f842023-11-21T22:32:43ZengMDPI AGBiology2079-77372021-06-0110649510.3390/biology10060495Harvest Season Significantly Influences the Fatty Acid Composition of Bee PollenSaad N. Al-Kahtani0El-Kazafy A. Taha1Soha A. Farag2Reda A. Taha3Ekram A. Abdou4Hatem M Mahfouz5Arid Land Agriculture Department, College of Agricultural Sciences & Foods, King Faisal University, P.O. Box 400, Al-Ahsa 31982, Saudi ArabiaDepartment of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh 33516, EgyptDepartment of Animal and Poultry Production, Faculty of Agriculture, University of Tanta, Tanta 31527, EgyptAgricultural Research Center, Bee Research Department, Plant Protection Research Institute, Dokki, Giza, EgyptAgricultural Research Center, Plant Protection Research Institute, Dokki, Giza, EgyptDepartment of Plant Production, Faculty of Environmental Agricultural Sciences, Arish University, Arish 45511, EgyptSeasonal variations in the fatty acid (FA) compositions of pollen loads collected from the Al-Ahsa Oasis in eastern Saudi Arabia throughout one year were determined to identify the optimal season for harvesting bee pollen rich in essential fatty acids (EFAs) and unsaturated fatty acids (UFAs). The highest values (%) of lipids, linolenic acid (C<sub>18:3</sub>), stearic acid (C<sub>18:0</sub>), linoleic acid (C<sub>18:2</sub>), arachidic acid (C<sub>20:0</sub>), the sum of the C18:0, C18:1, C18:2, and C18:3 concentrations, and EFAs were obtained from bee pollen harvested during autumn. The maximum values (%) of oleic acid (C<sub>18:1</sub>), palmitic acid (C<sub>16:0</sub>), UFAs, and the UFA/saturated fatty acid (SFA) ratio were found in bee pollen harvested during summer. The highest concentrations (%) of behenic acid (C<sub>22:0</sub>), lignoceric acid (C<sub>24:0</sub>), and SFAs were found in bee pollen harvested during winter. Bee pollen harvested during spring ranked second in its oleic, palmitic, linolenic, stearic, arachidic, behenic, and lignoceric acid concentrations and for EFAs, UFAs, and the UFA/SFA ratio. The lowest SFA concentration was found in bee pollen harvested during summer. Oleic, palmitic, and linolenic acids were the most predominant FAs found in bee pollen. It was concluded that the FA composition of bee pollen varied among the harvest seasons due to the influence of the dominant botanical origins. We recommend harvesting pollen loads during spring and summer to feed honeybee colonies during periods of scarcity and for use as a healthy, nutritious food for humans.https://www.mdpi.com/2079-7737/10/6/495bee pollenhoneybeefatty acidsAl-Ahsaseason
spellingShingle Saad N. Al-Kahtani
El-Kazafy A. Taha
Soha A. Farag
Reda A. Taha
Ekram A. Abdou
Hatem M Mahfouz
Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
Biology
bee pollen
honeybee
fatty acids
Al-Ahsa
season
title Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
title_full Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
title_fullStr Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
title_full_unstemmed Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
title_short Harvest Season Significantly Influences the Fatty Acid Composition of Bee Pollen
title_sort harvest season significantly influences the fatty acid composition of bee pollen
topic bee pollen
honeybee
fatty acids
Al-Ahsa
season
url https://www.mdpi.com/2079-7737/10/6/495
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