Antioxidant and anti-inflammatory properties of an aqueous cyanophyta extract derived from Arthrospira platensis: contribution to bioactivities by the non-phycocyanin aqueous fraction

Journal of Medicinal Food
Gitte S JensenKathleen F Benson

Abstract

The goal for this work was to characterize basic biological properties of a novel Arthrospira platensis-based aqueous cyanophyta extract (ACE), enriched in the known anti-inflammatory cyclooxygenase-2 (COX-2) inhibitor phycocyanin (PC), but also containing a high level of non-PC bioactive compounds. Antioxidant properties were tested in parallel in the Folin-Ciocalteu assay (chemical antioxidant capacity) and in the cellular antioxidant protection (CAP-e) bioassay, where both the PC and the non-PC fractions contributed to the antioxidant capacity and CAP of ACE. In contrast to the COX-2 inhibition seen in the presence of PC, the inhibition of enzymatic activity of the inflammatory mediator Lipoxygenase was associated specifically with the non-PC fraction of ACE. Inhibition of formation of reactive oxygen species (ROS) was evaluated using polymorphonuclear cells from healthy human donors. The inhibition of ROS formation was seen for both the PC and non-PC fractions, with ACE showing the most robust effect. The effects of PC, non-PC, and ACE on clotting and clot lysing was tested using a modified Euglobulin fibrinolytic assay in vitro. In the presence of PC, non-PC, and ACE, the time for clot formation and lysis was not affected;...Continue Reading

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Citations

Feb 10, 2017·Oxidative Medicine and Cellular Longevity·Alberto FinamoreIlaria Peluso
May 3, 2018·International Journal of Molecular Medicine·Eun-Young KimTaek-Jeong Nam
Jul 29, 2017·International Journal of Biological Macromolecules·Faten Ben AmorImen Fendri
Sep 27, 2018·Journal of Agricultural and Food Chemistry·Shuai HaoChengtao Wang

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Methods Mentioned

BETA
Assay
flow cytometry

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