Appearance: light brown color powder extracted source: sites secco plant upright sites, such as sites of the sprawling dry roots detection method: thin layer chromatography (TLC) packing: aluminum foil bag or cardboard barrels shelf life: *4 months mesh: **0% through *0 mesh

Major functions: sites contain alkaloids can embellish lung of gas cough, kill the insects. Lower respiratory center excitability, suppress cough reflex, cough and the effect. A relaxation of bronchospasm function, strength and aminophylline similar. For most pathogenic bacteria and fungi have skin inhibition. Water extracts and alcohol extract of body lice, Yin is lice exterminate action. In addition, there is a certain calm and analgesic action.