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Antioxidant and antimicrobial activity of hydroethanolic leaf extracts from six Mediterranean olive cultivars [Elektronski vir]Šimat, Vida ...Phenolic profiles, antioxidant, and antimicrobial activities of hydroethanolic olive leaf extracts from six Mediterranean olive cultivars (Croatian: Lastovka, Levantinka, Oblica; Italian: Moraiolo, ... Frantoio, Nostrana di Brisighella) were investigated. As expected, various distributions of phenolic levels were observed for each cultivar and the total phenolic content showed high variability (ranging from 4 to 22 mg GAE/g of dry extract), with the highest amount of phenolics found in the Oblica sample, which also provided the highest antiradical (ORAC) and reducing activity (FRAP). The screening of individual compounds was performed by HPLC-PDA-ESI-QTOF-MS and the main detected compounds were oleuropein, hydroxytyrosol, oleoside/secologanoside, verbascoside, rutin, luteolin glucoside, hydroxyoleuropein, and ligstroside. While the antioxidant activity of the samples was relatively high, they showed no bactericidal and bacteriostatic activity against E. coli and S. Typhimurium; weak activity against Staphylococcus aureus, Bacillus cereus, and Listeria innocua; and inhibitory effects against Campylobacter jejuni at 0.5 mg dry extract/mL. The obtained results support the fact that olive leaf extracts, and especially those from the Oblica cultivar, could potentially be applied in various industries as natural preservatives and effective and inexpensive sources of valuable antioxidants.Vir: Antioxidants [Elektronski vir]. - ISSN 2076-3921 (Vol. 11, iss. 9, 2022, str. 1-13, art. 1656)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 120911875
Avtor
Šimat, Vida |
Skroza, Danijela |
Tabanelli, Giulia |
Čagalj, Martina |
Pasini, Federica |
Gómez-Caravaca, Ana María |
Fernández-Fernández, Carmen |
Sterniša, Meta |
Smole Možina, Sonja |
Ozogul, Yesim |
Generalić Mekinić, Ivana
Teme
ekstrakcija |
oljčni listi |
stranski produkti |
antioksidativna učinkovitost |
protimikrobna učinkovitost |
fenolne spojine |
olive leaves |
antioxidant activity |
antimicrobial activity |
phenolic compounds
Vnos na polico
Trajna povezava
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Šimat, Vida | |
Skroza, Danijela | |
Tabanelli, Giulia | |
Čagalj, Martina | |
Pasini, Federica | |
Gómez-Caravaca, Ana María | |
Fernández-Fernández, Carmen | |
Sterniša, Meta | 39997 |
Smole Možina, Sonja | 07030 |
Ozogul, Yesim | |
Generalić Mekinić, Ivana |
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