野花椒系芸香科植物Zanthoxylum simulans Hance的根和根皮。中医药著作有止痛、局麻等作用的记载。我们曾初步研究了它的水溶性总碱的肌松作用和临床观察。本文系报道从中分得skimmianine(Ⅰ),(-)edulinine(Ⅱ),(±)ribalinine(Ⅲ),(-)araliopsine(Ⅳ)四个生物碱结晶。(Ⅰ)和(Ⅱ)有较强的镇痛作用和中枢抑制作用。(Ⅳ)的紫外、红 Wild pepper is the root and root bark of the Rutaceae Zanthoxylum simulans Hance. Chinese medicine works have records of pain relief and local anesthesia. We have initially studied the muscle relaxant effect and clinical observation of its water-soluble total alkaloids. In this paper, the four alkaloid crystals of skimmianine (I), (-) edulinine (II), (±) ribalinine (III), and (-) araliopsine (IV) were identified. (I) and (II) have strong analgesia and central inhibition. (IV) UV, Red