The extraction juice with alcohol from Herba Phtheirospermume japonicum, Herba Artemisiae scopariae and Flos Artemisiae capillaris showed respectively the fluorescence: of violet, violishred and light blue under 365nm ultraviolet lamp of the analyse.

• 松蒿、茵陈、茵陈蒿的乙醇提取液在365nm紫外分析仪下分别呈紫色荧光、紫红色荧光、亮兰色荧光。