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Curcumin is a nitric oxide scavenger. - GreenMedInfo Summary

Abstract Title:

Nitric oxide scavenging by curcuminoids.

Abstract Source:

Gynecol Oncol. 2004 Sep;94(3):760-8. PMID: 9120760

Abstract Author(s):

Sreejayan, M N Rao

Article Affiliation:

Department of Pharmaceutical Chemistry, College of Pharmaceutical Sciences, Manipal, India.

Abstract:

Because curcumin, a compound with anti-inflammatory and anticancer activity, inhibits induction of nitric oxide synthase in activated macrophages and has been shown to be a potent scavenger of free radicals we have investigated whether it can scavenge nitric oxide directly. Curcumin reduced the amount of nitrite formed by the reaction between oxygen and nitric oxide generated from sodium nitroprusside. Other related compounds, e.g. demethoxycurcumin, bisdemethoxycurcumin and diacetylcurcumin were as active as curcumin, indicating that the methoxy and the phenolic groups are not essential for the scavenging activity. The results indicate curcumin to be a scavenger of nitric oxide. Because this compound is implicated in inflammation and cancer, the therapeutic properties of curcumin against these conditions might be at least partly explained by its free-radical scavenging properties, including those toward nitric oxide.

Study Type : In Vitro Study

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Sayer Ji
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