Journal
EUROPEAN FOOD RESEARCH AND TECHNOLOGY
Volume 248, Issue 1, Pages 219-241Publisher
SPRINGER
DOI: 10.1007/s00217-021-03875-y
Keywords
Oleaster; Elaeagnus angustifolia L; Phenolic compounds; Antioxidant capacity; HPLC-DAD
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Funding
- Scientific Research Projects Foundation (BAP) of the Bursa Uludag University of Turkey
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Oleaster plants grown in three different locations in Nevsehir, Turkey were analyzed to determine their phenolic component profile and antioxidant properties using various extraction methods and high-performance liquid chromatography. The results suggest that oleaster could be a natural source in future studies against degenerative diseases.
The oleaster (Elaeagnus angustifolia L.) plant grown in three different locations in Nevsehir, Turkey was analyzed to determine its phenolic component profile, total phenolic compound, total carotenoid, total flavonoid, and antioxidant capacity values. Ultrasonic extraction of the oleaster's flour, shell, core, flower, and leaf parts was carried out under solvent and acidic hydrolysis conditions using eight different polarity solvents (water, methanol, ethanol, acetone, ethyl acetate, butanol, petroleum ether, and hexane). The phenolic component profiles were determined using high-performance liquid chromatography with diode array detector (HPLC-DAD), and the main phenolic components in the oleaster samples were gallic acid, catechin, and their derivatives. At the same time, antioxidant properties of oleaster samples were evaluated by Folin-Ciocalteu (FC), ABTS, FRAP, DPPH, and CHROMAC methods. Various parts of oleaster, whose phenolic component content was determined in this study, are thought to be a natural source that can be used against degenerative diseases in future studies.
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