2014
DOI: 10.1016/j.bbagen.2013.06.030
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In vitro measurements and interpretation of total antioxidant capacity

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Cited by 132 publications
(105 citation statements)
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“…In TAC assay the role of important enzymes such as superoxide dismutase, glutathione peroxidase, and catalase (Sies 2007;Fraga et al 2014) is not valued. Interestingly, tadalafil augmented the activity of each of these enzymes though the main increase has been observed for glutathione peroxidase activity.…”
Section: Discussionmentioning
confidence: 99%
“…In TAC assay the role of important enzymes such as superoxide dismutase, glutathione peroxidase, and catalase (Sies 2007;Fraga et al 2014) is not valued. Interestingly, tadalafil augmented the activity of each of these enzymes though the main increase has been observed for glutathione peroxidase activity.…”
Section: Discussionmentioning
confidence: 99%
“…The most common methods developed to assess TAC include oxygen reducing absorbance capacity (ORAC) assay, the trolox-equivalent antioxidant capacity assay (TEAC), and ferric reducing ability assay (FRAP) (Fraga et al, 2014). These assessments are generally based on challenging a substrate with an oxidant (i.e.…”
Section: Total Antioxidant Capacity (Tac)mentioning
confidence: 99%
“…TAC assays offer an advantage over measuring individual antioxidants, as they incorporate a variety of antioxidant actions of different compounds. However, controversy exists over the usefulness of TAC as a predictor or marker of disease (Fraga et al, 2014). Studies assessing the reproducibility and reliability of TAC have found that different TAC assays poorly correlate with one another (Cao & Prior, 1998;Fraga et al, 2014).…”
Section: Total Antioxidant Capacity (Tac)mentioning
confidence: 99%
“…Existen diversos métodos para evaluar la actividad antioxidante (53). Una de las estrategias más aplicadas en las medidas in vitro de la capacidad antioxidante total de un alimento, consiste en determinar la actividad del antioxidante frente a sustancias cromógenas de naturaleza radical; la pérdida de color ocurre de forma proporcional con la concentración (53); estas determinaciones dan tan solo una idea aproximada de lo que ocurre en situaciones complejas in vivo, en las que el microambiente en que se encuentra el alimento y la interacción de sus compuestos puede producir efectos sinérgicos o inhibitorios (54).…”
Section: Capacidad Antioxidanteunclassified