Allegra, A., D’Acquisto, F., Tesoriere, L., Livrea, M., (2014) Posted on August 4, 2015August 4, 2015 by Doug Sandstedt Pro-oxidant activity of indicaxanthin from Opuntia ficus indica modulates arachidonate metabolism and prostaglandin syntheses through lipid peroxide production in LPS-stimulated RAW 264.7 macrophages.