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Phenolic composition profiling of different edible parts and by-products of date palm (Phoenix dactylifera L.) by using HPLC-DAD-ESI/MSn.
Food Res Int. 2017 10; 100(Pt 3):494-500.FR

Abstract

Fruits and vegetables are an important source of dietary antioxidants and epidemiological studies show that their regular intake in the diet may decrease the risk of several chronic diseases. Phoenix dactylifera L. (date palm or dates) is an important crop, widely used in the Arabian region and in other parts of the world as a food and also in folk medicine, due to its health-promoting properties. Antioxidant phytochemicals present in plant foods are partly responsible for such health benefits. The antioxidants present in dates are mainly phenolics, like flavonoids and phenolic acids. The fruits of dates have been widely studied with regard to their phenolic composition. However, few studies are available in the bibliography regarding other, non-edible parts of the date palm tree. In this context, in the present work the phenolic components of different parts of P. dactylifera (cv. Medjool or Mejhool) - namely, fruit pulp and skin, fronds (leaves), clusters, and pollen - have been investigated using HPLC-DAD-ESI/MSn in the negative ionization mode. The overall analysis of the phenolic compounds revealed that there was a qualitative similarity among the different dates parts analyzed. The method used provided tentative identification of 52 compounds: mainly flavonoid glycosides of quercetin, luteolin, apigenin, chrysoeriol, kaempferol, isorhamnetin, 3-methyl-isorhamnetin, sulfates, and malonyl derivatives. In the present work, more than 30 phenolic derivatives are described for the first time in dates. To the best of our knowledge, kaempferol glycosides and malonyl derivatives have not been described previously in P. dactylifera. The results highlight the importance of P. dactylifera L. as a promising source of functional ingredients and boost its potential use in the food and nutraceutical industries. The MS data, MSn fragmentation pattern, and UV information obtained have been of great help in the interpretation of the compounds detected and in their structural identification.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Abu-Reidah IM
Department of Chemistry, An-Najah National University, P.O. Box 7, Nablus, Palestine; Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, P.O. Box 164, E-30100 Espinardo (Murcia), Spain. Electronic address: iabureidah@gmail.com.
Gil-Izquierdo Á
Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, P.O. Box 164, E-30100 Espinardo (Murcia), Spain.
Medina S
Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, P.O. Box 164, E-30100 Espinardo (Murcia), Spain. Electronic address: smescudero@cebas.csic.es.
Ferreres F
Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, P.O. Box 164, E-30100 Espinardo (Murcia), Spain.

MeSH

Chromatography, High Pressure LiquidFruitGlycosidesKaempferolsPhenolsPhoeniceaePlant ExtractsSpectrometry, Mass, Electrospray Ionization

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

28964373

Citation

Abu-Reidah, Ibrahim M., et al. "Phenolic Composition Profiling of Different Edible Parts and By-products of Date Palm (Phoenix Dactylifera L.) By Using HPLC-DAD-ESI/MSn." Food Research International (Ottawa, Ont.), vol. 100, no. Pt 3, 2017, pp. 494-500.
Abu-Reidah IM, Gil-Izquierdo Á, Medina S, et al. Phenolic composition profiling of different edible parts and by-products of date palm (Phoenix dactylifera L.) by using HPLC-DAD-ESI/MSn. Food Res Int. 2017;100(Pt 3):494-500.
Abu-Reidah, I. M., Gil-Izquierdo, Á., Medina, S., & Ferreres, F. (2017). Phenolic composition profiling of different edible parts and by-products of date palm (Phoenix dactylifera L.) by using HPLC-DAD-ESI/MSn. Food Research International (Ottawa, Ont.), 100(Pt 3), 494-500. https://doi.org/10.1016/j.foodres.2016.10.018
Abu-Reidah IM, et al. Phenolic Composition Profiling of Different Edible Parts and By-products of Date Palm (Phoenix Dactylifera L.) By Using HPLC-DAD-ESI/MSn. Food Res Int. 2017;100(Pt 3):494-500. PubMed PMID: 28964373.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Phenolic composition profiling of different edible parts and by-products of date palm (Phoenix dactylifera L.) by using HPLC-DAD-ESI/MSn. AU - Abu-Reidah,Ibrahim M, AU - Gil-Izquierdo,Ángel, AU - Medina,Sonia, AU - Ferreres,Federico, Y1 - 2016/10/14/ PY - 2016/07/18/received PY - 2016/10/04/revised PY - 2016/10/13/accepted PY - 2017/10/2/entrez PY - 2017/10/2/pubmed PY - 2019/7/10/medline KW - 3-Methyl-isorhamnetin (PubChem CID:5316900) KW - Dates by-products KW - Ferulic acid (PubChem CID:445858) KW - Flavonoids (sulfates and malonyl) derivatives KW - HPLC-DAD-ESI/MS(n) KW - Luteolin (PubChem CID:5280445) KW - Medjool KW - Phoenix dactylifera L. (Arecaceae) KW - Pollen SP - 494 EP - 500 JF - Food research international (Ottawa, Ont.) JO - Food Res Int VL - 100 IS - Pt 3 N2 - Fruits and vegetables are an important source of dietary antioxidants and epidemiological studies show that their regular intake in the diet may decrease the risk of several chronic diseases. Phoenix dactylifera L. (date palm or dates) is an important crop, widely used in the Arabian region and in other parts of the world as a food and also in folk medicine, due to its health-promoting properties. Antioxidant phytochemicals present in plant foods are partly responsible for such health benefits. The antioxidants present in dates are mainly phenolics, like flavonoids and phenolic acids. The fruits of dates have been widely studied with regard to their phenolic composition. However, few studies are available in the bibliography regarding other, non-edible parts of the date palm tree. In this context, in the present work the phenolic components of different parts of P. dactylifera (cv. Medjool or Mejhool) - namely, fruit pulp and skin, fronds (leaves), clusters, and pollen - have been investigated using HPLC-DAD-ESI/MSn in the negative ionization mode. The overall analysis of the phenolic compounds revealed that there was a qualitative similarity among the different dates parts analyzed. The method used provided tentative identification of 52 compounds: mainly flavonoid glycosides of quercetin, luteolin, apigenin, chrysoeriol, kaempferol, isorhamnetin, 3-methyl-isorhamnetin, sulfates, and malonyl derivatives. In the present work, more than 30 phenolic derivatives are described for the first time in dates. To the best of our knowledge, kaempferol glycosides and malonyl derivatives have not been described previously in P. dactylifera. The results highlight the importance of P. dactylifera L. as a promising source of functional ingredients and boost its potential use in the food and nutraceutical industries. The MS data, MSn fragmentation pattern, and UV information obtained have been of great help in the interpretation of the compounds detected and in their structural identification. SN - 1873-7145 UR - https://www.unboundmedicine.com/medline/citation/28964373/Phenolic_composition_profiling_of_different_edible_parts_and_by_products_of_date_palm__Phoenix_dactylifera_L___by_using_HPLC_DAD_ESI/MSn_ DB - PRIME DP - Unbound Medicine ER -