Claim · model-written summary
The methanol extract showed a significantly greater antioxidant, scavenging and anti-diabetic activity than the petroleum ether extract.
- Taxon
- Olea europaea L.
Olea europaeae0 - Treatment
- methanol extracte5
- Outcome
- antioxidant, scavenging, anti-diabetice5
- Direction
- moree5
- Comparator
- petroleum ethere5
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The olive leaves (Olea europaea L.)”
e5“both petroleum ether and methanol extracts of O. europaea leaves proved remarkable biological activities (antioxidant, scavenging, anti-diabetic, anti-Alzheimer and anti-arthritic activities) with significant effect of methanol extract more than that of petroleum ether one”
Title
Amal El-Feky; Wael Aboulthana Egyptian Journal of Chemistry 2023. doi:10.21608/ejchem.2023.217533.8138
Other claims from this paper (17)
- Observation GC/MS identified 43 compounds in the petroleum ether extract of olive leaves.
- Observation Ten unsaturated hydrocarbons were noticed among the GC/MS-identified compounds of the petroleum ether extract.
- Observation Nine saturated hydrocarbons were noticed among the GC/MS-identified compounds of the petroleum ether extract.
- Observation Nine fatty alcohols were noticed among the GC/MS-identified compounds of the petroleum ether extract.
- Observation Nine fatty acid methyl esters were noticed among the GC/MS-identified compounds of the petroleum ether extract.
- Observation Six phytosterols were noticed among the GC/MS-identified compounds of the petroleum ether extract.
- Observation β-Sitosterol was among the sterols with the greatest values, at 1.53%.
- Observation Stigmasterol was among the sterols with the greatest values, at 1.02%.
- Observation Δ5-avenasterol was among the sterols with the greatest values, at 0.96%.
- Observation Campesterol was among the sterols with the greatest values, at 0.84%.
- Observation The methanol extract contained three phenolic acids, identified by UPLC-MS/MS.
- Observation The methanol extract contained four flavonoid aglycones, identified by UPLC-MS/MS.
- Observation The methanol extract contained eight flavonoid monoglycosides, identified by UPLC-MS/MS.
- Observation The methanol extract contained three flavonoid diglycosides, identified by UPLC-MS/MS.
- Observation The methanol extract contained two seco-iridoids, identified by UPLC-MS/MS.
- Intervention effect The methanol extract showed a significantly greater anti-Alzheimer and anti-arthritic activity than the petroleum ether extract.
- Mechanism The authors attribute the biological activities of the olive leaf extracts to their combination of lipoidal and flavonoidal constituents.