1 A perennial Eurasian herb ( Chelidonium majus ) having deeply divided leaves, showy yellow flowers, and yellow - orange latex.

2 HPLC was used to establish the fingerprint of Chelidonium majus L.

3 Objective : To observe the expectorant and relieving cough effects of total alkaloid from Chelidonium majus L.

4 Sanguinarine belongs to the benzophenanthridine alkaloid analog, and is derived mainly from the root of Sanguinaria Canadensis L. , Chelidonium majus L.

5 The toxicity test indicated that of all 9 species of plant, the substances extracted from Chelidonium majus, Radix angelica dahurica , Pulsatillae Chinensis, Veratrum dah uricum Loes.

6 OBJECTIVE To observe the relieving cough and eliminate phlegm effects of total alkaloid from Chelidonium majus L. (TACM).