To search for potential drugs with potent antitussive,expectorant,antiasthmatic activities and low toxicity,a series of verticinone-bile acids salts were prepared based on the clearly elucidated antitussive,expectorant and antiasthmatic activities of verticinone in bulbs of Fritillaria and different bile acids in Snake Bile.

Research on Dynamic of Chlorothalonil Residue in Zhebei;

Effects of Supplemental UV-B Radiation on Photosynthesis and Yield of Fritillaria Thunnbergii Miq.in Defferent Periods;

METHODS To improve the industrialization of Fritillaria thunnbergii Miq.

Objective:To observe the influence of verticinone and its derivatives on the levels of cyclic adenosine monophosphate(cAMP) of bronchus smooth muscle of guinea-pig.

Objective To study the analgesic effect and the physical dependence of verticinone, which is an isosteroidal alkaloids isolated from Fritillariae Bulbus.

Total RNA Extraction from the Bulbs of Fritillaria thunbergii Miq.;

Callus Induction and Plant Regeneration from Bulbs of Fritillaria thunbergii Miq.;

Simultaneous determination of peimine,peiminine and zhebeinine in Fritillaria thunbergii from different habitat by HPLC-ELSD;

Suitability evaluation of Fritillaria thunbergii′s producing areabased on GIS;

Determination of peimine and peiminine in Fritillaria thunbergii by HPLC-ELSD;