Evaluation of Anti-Inflammatory Activity of Macroalgae Collected From Baja California Sur, Mexico

Abstract

Objective: This study aimed to establish the anti-inflammatory potential of macroalgae from Baja California Sur, Mexico. Methods: The anti-inflammatory activity of the extracts from 10 macroalgae species was evaluated in vitro and in vivo. Dichloromethane, ethanolic, and aqueous extracts were obtained from each species. The criteria used to determine anti-inflammatory activity included 1) the membrane protection of human red blood cells (HRBCs) against hemolysis induced by hypotonicity, 2) the inhibition of heat-induced protein denaturation (IDP), and 3) the inhibition of mouse ear edema and the myeloperoxidase (MPO) enzyme. Results: The dichloromethane extracts of Gracilaria vermiculophylla and Opuntiella californica were the most active, both in vitro and in vivo. These extracts resulted in values of HRBC membrane protection above 95%, which were similar to those obtained with diclofenac sodium. And reduce the inflammation with edema inhibition percentage up to 60 % while the control indomethacin was able to inhibit edema by 82.3 %. Conclusion: The bioprospection of several macroalgae species from Bahía de La Paz, Mexico, allowed the identification of two species with promising anti-inflammatory activity. Gracilaria vermiculophylla showed interesting topical anti-inflammatory effects and a profile of compounds (flavonoids and terpenes) that may contribute to the potential biological properties of this seaweed. This study represents the first report of the anti-inflammatory potential of O. californica.

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