Rubranol is an inhibitor of NO Synthase. Rubranol inhibits LPS-induced NO production in activated macrophages with 74% inhibition[1].
References
[1] Lai YC, et al. A comprehensive investigation of anti-inflammatory diarylheptanoids from the leaves of Alnus formosana. Phytochemistry. 2012 Jan;73(1):84-94. DOI:10.1016/j.phytochem.2011.02.008
