Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Tareq M. Osaili
  • Aseel Swaidan
  • Anas Al-Nabulsi
  • Amin Olaimat
  • Susanne Neugart
  • Layla Engelhardt
  • Tuba Esatbeyoglu
  • Mutamed Ayyash
  • Leila Cheikh Ismail
  • Maher M Al-Dabbas
  • Reyad S. Obaid
  • Nada El Darra

Externe Organisationen

  • Jordan University of Science and Technology
  • Beirut Arab University
  • University of Sharjah
  • Hashemite University
  • Georg-August-Universität Göttingen
  • United Arab Emirates University
  • Al Ain University of Science and Technology
  • University of Jordan
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Details

OriginalspracheEnglisch
Aufsatznummer100493
FachzeitschriftApplied Food Research
Jahrgang4
Ausgabenummer2
Frühes Online-Datum7 Sept. 2024
PublikationsstatusVeröffentlicht - Dez. 2024

Abstract

Date palm fruit (Phoenix dactylifera L.) is a well-known fruit that has become increasingly popular among consumers due to its pleasant flavor, nutrient-dense content, and nutraceutical characteristics. Date seeds are the main by-product of date fruit consumption and processing. Date seeds are usually incorporated in animal feed; however, their application in human contexts, such as food products, remains minimal. Nonetheless, they contain significant amounts of bioactive phenolic compounds, primarily flavonoids, which possess potential health benefits. The current study investigated and compared the phenolic profile, antioxidant, and antibacterial activities of aqueous extracts of nine different date seeds varieties. The phenolic profile, analyzed using high-performance liquid chromatography (HPLC-DAD-ESI-MS), showed that total phenolic compounds ranged from 1.05 to 1.24 mg/g in Reziz and Naghal varieties, respectively, with flavan-3-ols predominating in all varieties. Results of the ABTS and DPPH assays revealed that the antioxidant activities against free radicals were directly correlated with the overall phenolic content, particularly for caffeic acid. Indeed, all date seeds possessed antibacterial capabilities, with a stronger effect observed on Listeria monocytogenes than Escherichia coli. Additionally, date seeds demonstrated a promising source of oil rich in oleic and lauric acids, both of which are considered beneficial for health. According to our findings, date seeds are a significant source of bioactive compounds, which renders them ideal candidates for potential inclusion in human diets as food additives and nutraceuticals.

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Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis. / Osaili, Tareq M.; Swaidan, Aseel; Al-Nabulsi, Anas et al.
in: Applied Food Research, Jahrgang 4, Nr. 2, 100493, 12.2024.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Osaili, TM, Swaidan, A, Al-Nabulsi, A, Olaimat, A, Neugart, S, Engelhardt, L, Esatbeyoglu, T, Ayyash, M, Ismail, LC, Al-Dabbas, MM, Obaid, RS & Darra, NE 2024, 'Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis', Applied Food Research, Jg. 4, Nr. 2, 100493. https://doi.org/10.1016/j.afres.2024.100493
Osaili, T. M., Swaidan, A., Al-Nabulsi, A., Olaimat, A., Neugart, S., Engelhardt, L., Esatbeyoglu, T., Ayyash, M., Ismail, L. C., Al-Dabbas, M. M., Obaid, R. S., & Darra, N. E. (2024). Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis. Applied Food Research, 4(2), Artikel 100493. https://doi.org/10.1016/j.afres.2024.100493
Osaili TM, Swaidan A, Al-Nabulsi A, Olaimat A, Neugart S, Engelhardt L et al. Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis. Applied Food Research. 2024 Dez;4(2):100493. Epub 2024 Sep 7. doi: 10.1016/j.afres.2024.100493
Osaili, Tareq M. ; Swaidan, Aseel ; Al-Nabulsi, Anas et al. / Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis. in: Applied Food Research. 2024 ; Jahrgang 4, Nr. 2.
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title = "Assessment of the phenolic profile and biological activities of aqueous date seed extracts: A comparative analysis",
abstract = "Date palm fruit (Phoenix dactylifera L.) is a well-known fruit that has become increasingly popular among consumers due to its pleasant flavor, nutrient-dense content, and nutraceutical characteristics. Date seeds are the main by-product of date fruit consumption and processing. Date seeds are usually incorporated in animal feed; however, their application in human contexts, such as food products, remains minimal. Nonetheless, they contain significant amounts of bioactive phenolic compounds, primarily flavonoids, which possess potential health benefits. The current study investigated and compared the phenolic profile, antioxidant, and antibacterial activities of aqueous extracts of nine different date seeds varieties. The phenolic profile, analyzed using high-performance liquid chromatography (HPLC-DAD-ESI-MS), showed that total phenolic compounds ranged from 1.05 to 1.24 mg/g in Reziz and Naghal varieties, respectively, with flavan-3-ols predominating in all varieties. Results of the ABTS and DPPH assays revealed that the antioxidant activities against free radicals were directly correlated with the overall phenolic content, particularly for caffeic acid. Indeed, all date seeds possessed antibacterial capabilities, with a stronger effect observed on Listeria monocytogenes than Escherichia coli. Additionally, date seeds demonstrated a promising source of oil rich in oleic and lauric acids, both of which are considered beneficial for health. According to our findings, date seeds are a significant source of bioactive compounds, which renders them ideal candidates for potential inclusion in human diets as food additives and nutraceuticals.",
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AU - Osaili, Tareq M.

AU - Swaidan, Aseel

AU - Al-Nabulsi, Anas

AU - Olaimat, Amin

AU - Neugart, Susanne

AU - Engelhardt, Layla

AU - Esatbeyoglu, Tuba

AU - Ayyash, Mutamed

AU - Ismail, Leila Cheikh

AU - Al-Dabbas, Maher M

AU - Obaid, Reyad S.

AU - Darra, Nada El

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