A comparative study of the antioxidant activity and phytochemical composition of leaves extract between three varieties of date palm tree

• Autorzy: Eddine L. S. , Ladjel S. , Mohamed O. M.
• Języki publikacji: EN

Abstrakty

EN

The date palm (Phoenyx dactylifera) consisted, for the people of southern Algeria, as tree of providence. Dates and their extracts are also used for many centuries as a medicine against allergy, inflammation, constipation and gastro-protective; they also have a high antibacterial and antioxidant activity. However, no studies are conducted to evaluate the extract from the leaves of date palm (Phoenyx dactylifera) in point of view of phytochemical composition, antimicrobial and the antioxidant activity. In this study, we have determined the phenolic compounds, antioxidant and antimicrobial activity of methanolic extracts from three varieties of leaves tree. According to the results the leaves extracts have very important values for polyphenols (215.24 to 156.46 mg GAE / g DW) and high antioxidant activity (324. 45 to 206.21 mg GAE / g DW), Diphenyl-1 picrylhydrazyl radical-scavenging activity (IC50 = 2.98 to 4.83 μg / ml); also the three extracts reveal a considerable antimicrobial potency and antifungal considerable activity, the diameter of inhibition is 35.2 to 39.5 mm (concentration 50 mg/ml) for Candida albicans ATCC 90026.

Słowa kluczowe

EN

Phoenyx dactylifera; polyphenol; DPPH radical-scavenging activity; reducing power; antimicrobial; south Algeria

• Wydawca: Przedsiębiorstwo Wydawnictw Naukowych "DARWIN"
• Czasopismo: International Letters of Chemistry, Physics and Astronomy
• Rocznik: 2013
• Tom: Vol. 9, iss. 2
• Strony: 162--171
• Opis fizyczny: Bibliogr. 29 poz., tab.

Twórcy

autor

Eddine L. S.

• Department of Industrial Chemistry, Faculty of Science and Technology, Mohammed Kheider University, Biskra, Algeria

autor

Ladjel S.

• Process Engineering Laboratory, Faculty of Science and Technology and Material Sciences, University Kasdi Merbah Ouargla, Ouargla, Algeria

autor

Mohamed O. M.

• Process Engineering Laboratory, Faculty of Science and Technology and Material Sciences, University Kasdi Merbah Ouargla, Ouargla, Algeria

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