(-)-Asarinin is a extract lignan from Zanthoxylum armatum, mainly produced in roots of this herb[1].
References:
[1]. Guo T, et al. Ultrasound-Assisted Aqueous Two-Phase System for Extraction and Enrichment of Zanthoxylum armatum Lignans. Molecules. 2015 Aug 20;20(8):15273-86.
















