2005
DOI: 10.1016/j.nutres.2005.09.019
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Importance of tocopherols beyond α-tocopherol: evidence from animal and human studies

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Cited by 104 publications
(73 citation statements)
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“…γ-Tocopherol content of the pumpkin seed oils was typically 2-8 times higher than the isomer currently regarded as having the greatest bioavailability, R-tocopherol. However, recent research has found that γ-tocopherol may have greater antioxidant activities than R-tocopherol (104)(105)(106) and that the latter may suppress the bioavailability of the former isomer (107). In which case, the considerably higher γ-tocopherol content of pumpkin seed oils could make the oil even more attractive from a nutritional perspective.…”
Section: Resultsmentioning
confidence: 99%
“…γ-Tocopherol content of the pumpkin seed oils was typically 2-8 times higher than the isomer currently regarded as having the greatest bioavailability, R-tocopherol. However, recent research has found that γ-tocopherol may have greater antioxidant activities than R-tocopherol (104)(105)(106) and that the latter may suppress the bioavailability of the former isomer (107). In which case, the considerably higher γ-tocopherol content of pumpkin seed oils could make the oil even more attractive from a nutritional perspective.…”
Section: Resultsmentioning
confidence: 99%
“…Os tocóis constituem um grupo de moléculas que apresentam atividade de vitamina E. Existem na natureza quatro formas (α, β, γ e δ) de tocoferóis e tocotrienóis que são potentes antioxidantes lipofílicos. O α-e o γ-tocoferol são os mais encontrados na maioria dos óleos vegetais 27 . O α-tocoferol é o mais estudado dos tocóis, devido a sua elevada atividade biológica como vitamina E; entretanto, sugere-se que outros tocóis apresentem maior capacidade de proteger os óleos vegetais contra a peroxidação lipídica 3 .…”
Section: Composição Físico-química De óLeos Vegetais E Sua Relação Counclassified
“…Os tocóis apresentam importante papel na proteção dos óleos vegetais contra oxidação, tendo em vista que são seus principais antioxidantes lipofílicos naturais 27 . Os tocóis são considerados antioxidantes primários, pois reagem rapidamente com os radicais livres e, assim, inibem por competição a oxidação dos ácidos graxos insaturados.…”
Section: Capacidade Antioxidante Total E Estabilidade Dos óLeos Vegetaisunclassified
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“…Mixed α, β, g and d-tocopherols have been shown to have better antioxidant and anti-inflammatory effects than α-tocopherol alone (Saldeen and Saldeen, 2005).…”
Section: Introductionmentioning
confidence: 99%