Title: Hung TM, et al. Anti-amnestic activity of pseudocoptisine from Corydalis Tuber. Biol Pharm Bull. 2008;31(1):159-162.
Title: Yun KJ, et al. Quaternary alkaloid, pseudocoptisine isolated from tubers of Corydalis turtschaninovi inhibits LPS-induced nitric oxide, PGE(2), and pro-inflammatory cytokines production via the down-regulation of NF-kappaB in RAW 264.7 murine macrophage cells. Int Immunopharmacol. 2009 Oct;9(11):1323-31.