期刊
ANTIOXIDANTS
卷 12, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/antiox12071472
关键词
olive oil; extra virgin olive oil; phenolic bioactive compounds; cognitive decline; hydroxytyrosol; tyrosol; cognitive performance; neuroprotection
Epidemiological studies suggest that consuming olive oil rich in phenolic bioactive compounds may lower the risk of neurodegenerative diseases and improve cognitive performance in the elderly. Preclinical evidence indicates that olive oil phenolic compounds can counteract oxidative stress and neuroinflammation, key processes in neurodegeneration. Clinical evidence suggests that high consumption of olive oil phenolic compounds is associated with better cognitive preservation, independent of dietary patterns. Further research is needed to understand the mechanisms and potential clinical applications.
Epidemiological studies have shown that consuming olive oil rich in phenolic bioactive compounds is associated with a lower risk of neurodegenerative diseases and better cognitive performance in aged populations. Since oxidative stress is a common hallmark of age-related cognitive decline, incorporating exogenous antioxidants could have beneficial effects on brain aging. In this review, we firstly summarize and critically discuss the current preclinical evidence and the potential neuroprotective mechanisms. Existing studies indicate that olive oil phenolic compounds can modulate and counteract oxidative stress and neuroinflammation, two relevant pathways linked to the onset and progression of neurodegenerative processes. Secondly, we summarize the current clinical evidence. In contrast to preclinical studies, there is no direct evidence in humans of the bioactivity of olive oil phenolic compounds. Instead, we have summarized current findings regarding nutritional interventions supplemented with olive oil on cognition. A growing body of research indicates that high consumption of olive oil phenolic compounds is associated with better preservation of cognitive performance, conferring an additional benefit, independent of the dietary pattern. In conclusion, the consumption of olive oil rich in phenolic bioactive compounds has potential neuroprotective effects. Further research is needed to understand the underlying mechanisms and potential clinical applications.
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