Li P, Zeng L, Li S, Bi Z, Lin G. Simultaneous determination of the major isosteroidal alkaloids and their glucosides in the bulbs of Fritillaria by high performance liquid chromatography coupled with evaporative light scattering detection. Yao Xue Xue Bao. 2004;39:56-9 pubmed
..The method is accurate with overall intra- and inter-day variation less than 5% and recovery more than 95%. The method was successfully applied to analyze five major bioactive alkaloids and gluco-alkaloids in three Fritillaria bulbs. ..
Li P, Zeng L, Li S, Lin G. The extraction of imperialine and imperialine-3 beta-glucoside from Fritillaria pallidiflora Schrenk and quantitative determination by HPLC-evaporative light scattering detection. Phytochem Anal. 2002;13:158-61 pubmed
..The methods described have been successfully used to evaluate the quality of three batches of the crude traditional Chinese medicinal herb derived from the bulbs of F. pallidiflora...