[29P-am] Pharmacognosy and Phytochemistry 1

[29P-am085] Development of screening and quantification method for impurities (Pyrrolizidine alkaloids) in crude drugs using HPLC-quadrupole-time-of-flight mass spectrometry

○Mizuki Tomiyasu¹, Shota Yoshida¹, hongyan zhang¹, yasuyuki honda¹ (1. Kampo Research Laboratory, Pharmaceutical Company, Kracie, Ltd.)