Content : minimum 0.6 per cent of total alkaloids, expressed as chelidonine (C 20 H 19 NO 5 ;M r 353.4) (dried drug).

• 本品（以干燥品计）所含总生物碱以白屈菜碱（C 20 H 19 NO 5 ）计，不得少于0.；6%25。