Lycoramine hydrobromide, a dihydro-derivative of galanthamine, is isolated from Lycoris radiate. Lycoramine hydrobromide is a potent acetylcholinesterase (AChE) inhibitor[1][2].
[1]. Yuan Y, et, al. Online acetylcholinesterase inhibition evaluation by high-performance liquid chromatography-mass spectrometry hyphenated with an immobilized enzyme reactor. J Chromatogr A. 2020 Jan 4; 1609:460506. [2]. IRWIN RL, et, al. Cholinesterase inhibition by galanthamine and lycoramine. Biochem Pharmacol. 1960 May; 3:147-8.
















