Search Results - "Atala, E"

Comparison of different techniques for the preservation and extraction of phlorotannins in the kelp Lessonia spicata (Phaeophyceae): assays of DPPH, ORAC-PGR, and ORAC-FL as testing methods by Cruces, E, Rojas-Lillo, Y, Ramirez-Kushel, E, Atala, E, López-Alarcón, C, Lissi, E, Gómez, I

“…Preservation, storage, and safe transport of samples are key factors affecting brown algal phlorotannin (phenolics) quantification, their extraction yield, and…”
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Ascorbic acid contribution to ORAC values in berry extracts: An evaluation by the ORAC-pyrogallol red methodology by Atala, E., Vásquez, L., Speisky, H., Lissi, E., López-Alarcón, C.

“…An oxygen radical absorbance capacity (ORAC) method based on pyrogallol red bleaching (ORAC-PGR) was used to evaluate the scavenging activity of berry extracts…”
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Antioxidant capacity of phenolic compounds in acidic medium: A pyrogallol red-based ORAC (oxygen radical absorbance capacity) assay by Atala, E., Aspée, A., Speisky, H., Lissi, E., López-Alarcón, C.

“…•Novel PGR-based ORAC assay in acidic media to assess antioxidant capacity presented.•The index is associated with the reactivity of phenols toward peroxyl…”
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Mechanism of Pyrogallol Red Oxidation Induced by Free Radicals and Reactive Oxidant Species. A Kinetic and Spectroelectrochemistry Study by Atala, E, Velásquez, G, Vergara, C, Mardones, C, Reyes, J, Tapia, R. A, Quina, F, Mendes, M. A, Speisky, H, Lissi, E, Ureta-Zañartu, M. S, Aspée, A, López-Alarcón, C

“…Pyrogallol red (PGR) presents high reactivity toward reactive (radical and nonradical) species (RS). This property of PGR, together with its characteristic…”
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Role of alkoxyl radicals on the fluorescein-based ORAC (Oxygen Radical Absorbance Capacity) assay by Dorta, E, Atala, E, Aspee, A, Speisky, H, Lissi, E, Lopez-Alarcon, C

“…During the last decades the ORAC (Oxygen Radical Absorbance Capacity) assay has been widely employed to evaluate the in vitro antioxidant capacity of…”
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P50 - Role of alkoxyl radicals on the fluorescein-based ORAC (Oxygen Radical Absorbance Capacity) assay by Dorta, E, Atala, E, Aspee, A, Speisky, H, Lissi, E, Lopez-Alarcon, C

“…During the last decades the ORAC (Oxygen Radical Absorbance Capacity) assay has been widely employed to evaluate the in vitro antioxidant capacity of…”
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New methods for extraction of phenolic, flavonoids and catechin compounds from natural sources by Mousa, Rokia B., Elalim, Rahma M. Abd, Atala, Nada E., Elkayaly, Habiba A., Shalaby, Emad A.

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Leukoplakia with epithelial dysplasia by Auil Atala, E, Lobos Jaimes, N, Bascufian Brandt, G

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The Celiac Club, an alternative for the integral treatment of celiac patients by Espinoza, J, Rossel, M, Ceresa, S, Araya, M, Atala, M E

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