罗布麻(Apocynum venetum)用于治疗心脏病、高血压和肝炎。近来日本将其炙叶用作健康食品。本次从炙罗布麻叶中分离出2种新的紫罗兰苷(1、2)和9种已知成分,并应用改良的Mosher’s法和圆二色性螺旋规则确定了新成分的绝对构型。 炙罗布麻叶(17kg)切碎,用甲醇回流提取3次,减压除去溶剂后,在水-乙酸乙酯 Apocynum venetum is used to treat heart disease, hypertension and hepatitis. Recently, Japan has used its cilantro as a health food. Two new types of violet glucosides (1, 2) and 9 known components were isolated from the leaves of this species, and the absolute configuration of the new components was determined using the modified Mosher’s method and the circular dichroism spiral rule. Cinnamon leaf (17kg) was chopped and extracted 3 times with methanol and the solvent was removed under reduced pressure in water-ethyl acetate