[HPLC fingerprint of flavonoids in fruits of Polygonum orientale].

Objective: To compare HPLC fingerprint of flavonoids in fruits of Polygonnm orientale from different regions.

Methods: Diamonsil C18 (250 mm x 4.6 mm, 5 microm) had been used, the mobile phase consisted of methanol and 0.

[Content analysis of bilirubin in niuhuang compound suppository by HPLC].

Objective: To establish a method of determinating content of bilirubin in Niuhuang Compound Suppository by HPLC.

Method: C18 column was used. The mobile phase was consisted of dimethylsulfoxide: acetonitrile: 0.