Bioactive compounds and pharmacological properties of some date cultivars (Phoenix dactylifera L.)

Benkerrou Fatiha; Bachir Bey Mostapha; Amrane Meriem; Amarowicz Ryszard; Schisano Connie; Narciso Viviana; Tenore Gian Carlo

doi:10.35219/foodtechnology.2024.1.09

Benkerrou Fatiha Laboratory of Applied Biochemistry, Faculty of Natural Sciences and Life, University of Bejaia, 06000, Bejaia, Algeria https://orcid.org/0000-0001-6047-2091
Bachir Bey Mostapha Laboratory of Applied Biochemistry, Faculty of Natural Sciences and Life, University of Bejaia, 06000, Bejaia, Algeria https://orcid.org/0000-0002-9987-1505
Amrane Meriem Centre de Recherche en Technologies Agroalimentaires, Route de Targa Ouzemmour, Campus Universitaire, Bejaia 06000, Algeria https://orcid.org/0000-0003-2831-3271
Amarowicz Ryszard Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Street 10, 10-748 Olsztyn, Poland https://orcid.org/0000-0001-9731-0045
Schisano Connie Department of Pharmacy University of Naples "Federico II" Via Domenico Montesano, 49-80131 Napoli https://orcid.org/0000-0003-3576-2307
Narciso Viviana Department of Pharmacy University of Naples "Federico II" Via Domenico Montesano, 49-80131 Napoli https://orcid.org/0000-0002-5062-823X
Tenore Gian Carlo Department of Pharmacy University of Naples "Federico II" Via Domenico Montesano, 49-80131 Napoli https://orcid.org/0000-0002-0251-9936

DOI: https://doi.org/10.35219/foodtechnology.2024.1.09

Keywords: Phoenix dactylifera, bioactive compounds, phenolic profile, pharmacological properties

Abstract

In this study, five Algerian date cultivars (Phoenix dactylifera L.) were investigated for their antioxidant contents, phenolic profiles, and some pharmacological properties (anti-inflammatory, anti-diabetic, and antioxidant activities). The results showed that the Tanslit cultivar was the most concentrated in total phenolic compounds and flavonoids with 433.03±0.47 96 mg QE/100g DM and 102.5±3.96 mg QE/100g DM, respectively. The Tamdjohert cultivar was the richest on anthocyanins (9.83±0.07mg CE/100g DM). HPLC analysis indicated that the Tamdjohert cultivar contained a high flavonoids concentration (8.22 ± 0.53mg/100g DM), and the Takarmoust cultivar displayed the highest concentration of phenolic acids (15.64±0.41mg/100g DM). The results indicated that the Litim cultivar exhibited strong hydroxyl radical inhibition (134.95±18.07mg GAE/100g DM), and also potently inhibited α-amylase activity (35.19±4.98%). The Tamdjohert cultivar exerted the highest reduction of inflammatory mediators (255.87±18.47mg GAE/100g DM). This study demonstrated that date fruit was a good source of bioactive compounds with important pharmacological properties and can be considered as functional food.

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