[Application of HPLC/ELSD fingerprint and constellation graphical clustering method applied to evaluate the quality of Qingkailing injection].

AIM: To evaluate the quality of Qingkailing injections effectively, and to develop a credible method for the quality control of traditional Chinese medicine. METHODS: Fingerprints of 18 Qingkailing injection samples from various manufacturers were obtained by HPLC/ELSD, and quality evaluation was performed by constellation graphical clustering method. RESULTS: HPLC/ELSD and constellation graphical clustering method properly revealed the quality information apparently and accurately. CONCLUSION: It was an apparent, credible and efficient method for quality evaluation of Chinese medicines.