Astaxanthin diferulate as a bifunctional antioxidant

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Standard

Astaxanthin diferulate as a bifunctional antioxidant. / Papa, T.B.R.; Pinho, V.D.; Nascimento, E.P. do; Santos, W.G.; Burtoloso, A.C.B.; Skibsted, Leif Horsfelt; Cardoso, D.R.

I: Free Radical Research, Bind 49, Nr. 1, 2015, s. 102-111.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Papa, TBR, Pinho, VD, Nascimento, EPD, Santos, WG, Burtoloso, ACB, Skibsted, LH & Cardoso, DR 2015, 'Astaxanthin diferulate as a bifunctional antioxidant', Free Radical Research, bind 49, nr. 1, s. 102-111. https://doi.org/10.3109/10715762.2014.982112

APA

Papa, T. B. R., Pinho, V. D., Nascimento, E. P. D., Santos, W. G., Burtoloso, A. C. B., Skibsted, L. H., & Cardoso, D. R. (2015). Astaxanthin diferulate as a bifunctional antioxidant. Free Radical Research, 49(1), 102-111. https://doi.org/10.3109/10715762.2014.982112

Vancouver

Papa TBR, Pinho VD, Nascimento EPD, Santos WG, Burtoloso ACB, Skibsted LH o.a. Astaxanthin diferulate as a bifunctional antioxidant. Free Radical Research. 2015;49(1):102-111. https://doi.org/10.3109/10715762.2014.982112

Author

Papa, T.B.R. ; Pinho, V.D. ; Nascimento, E.P. do ; Santos, W.G. ; Burtoloso, A.C.B. ; Skibsted, Leif Horsfelt ; Cardoso, D.R. / Astaxanthin diferulate as a bifunctional antioxidant. I: Free Radical Research. 2015 ; Bind 49, Nr. 1. s. 102-111.

Bibtex

@article{e446ffb917ee476f8a231b5b9ffdd979,
title = "Astaxanthin diferulate as a bifunctional antioxidant",
abstract = "Abstract Astaxanthin when esterified with ferulic acid is better singlet oxygen quencher with k2 = (1.58 ± 0.1) 10(10) L mol(- 1)s(- 1) in ethanol at 25°C compared with astaxanthin with k2 = (1.12 ± 0.01) 10(9) L mol(- 1)s(- 1). The ferulate moiety in the astaxanthin diester is a better radical scavenger than free ferulic acid as seen from the rate constant of scavenging of 1-hydroxyethyl radicals in ethanol at 25°C with a second-order rate constant of (1.68 ± 0.1) 10(8) L mol(- 1)s(- 1) compared with (1.60 ± 0.03) 10(7) L mol(- 1)s(- 1) for the astaxanthin:ferulic acid mixture, 1:2 equivalents. The mutual enhancement of antioxidant activity for the newly synthetized astaxanthin diferulate becoming a bifunctional antioxidant is rationalized according to a two-dimensional classification plot for electron donation and electron acceptance capability.",
author = "T.B.R. Papa and V.D. Pinho and Nascimento, {E.P. do} and W.G. Santos and A.C.B. Burtoloso and Skibsted, {Leif Horsfelt} and D.R. Cardoso",
year = "2015",
doi = "10.3109/10715762.2014.982112",
language = "English",
volume = "49",
pages = "102--111",
journal = "Free Radical Research",
issn = "1071-5762",
publisher = "Taylor & Francis",
number = "1",

}

RIS

TY - JOUR

T1 - Astaxanthin diferulate as a bifunctional antioxidant

AU - Papa, T.B.R.

AU - Pinho, V.D.

AU - Nascimento, E.P. do

AU - Santos, W.G.

AU - Burtoloso, A.C.B.

AU - Skibsted, Leif Horsfelt

AU - Cardoso, D.R.

PY - 2015

Y1 - 2015

N2 - Abstract Astaxanthin when esterified with ferulic acid is better singlet oxygen quencher with k2 = (1.58 ± 0.1) 10(10) L mol(- 1)s(- 1) in ethanol at 25°C compared with astaxanthin with k2 = (1.12 ± 0.01) 10(9) L mol(- 1)s(- 1). The ferulate moiety in the astaxanthin diester is a better radical scavenger than free ferulic acid as seen from the rate constant of scavenging of 1-hydroxyethyl radicals in ethanol at 25°C with a second-order rate constant of (1.68 ± 0.1) 10(8) L mol(- 1)s(- 1) compared with (1.60 ± 0.03) 10(7) L mol(- 1)s(- 1) for the astaxanthin:ferulic acid mixture, 1:2 equivalents. The mutual enhancement of antioxidant activity for the newly synthetized astaxanthin diferulate becoming a bifunctional antioxidant is rationalized according to a two-dimensional classification plot for electron donation and electron acceptance capability.

AB - Abstract Astaxanthin when esterified with ferulic acid is better singlet oxygen quencher with k2 = (1.58 ± 0.1) 10(10) L mol(- 1)s(- 1) in ethanol at 25°C compared with astaxanthin with k2 = (1.12 ± 0.01) 10(9) L mol(- 1)s(- 1). The ferulate moiety in the astaxanthin diester is a better radical scavenger than free ferulic acid as seen from the rate constant of scavenging of 1-hydroxyethyl radicals in ethanol at 25°C with a second-order rate constant of (1.68 ± 0.1) 10(8) L mol(- 1)s(- 1) compared with (1.60 ± 0.03) 10(7) L mol(- 1)s(- 1) for the astaxanthin:ferulic acid mixture, 1:2 equivalents. The mutual enhancement of antioxidant activity for the newly synthetized astaxanthin diferulate becoming a bifunctional antioxidant is rationalized according to a two-dimensional classification plot for electron donation and electron acceptance capability.

U2 - 10.3109/10715762.2014.982112

DO - 10.3109/10715762.2014.982112

M3 - Journal article

C2 - 25363553

VL - 49

SP - 102

EP - 111

JO - Free Radical Research

JF - Free Radical Research

SN - 1071-5762

IS - 1

ER -

ID: 128733855