LIU Guo-xiong, LI Hua, ZHANG Jun. Rapid Evaluation on Quality Control of Ginkgo Leaves Extract and Preparations by UPLC Fingerprint[J]. Chinese journal of experimental traditional medical formulae, 2017, 23(1): 64-68.
LIU Guo-xiong, LI Hua, ZHANG Jun. Rapid Evaluation on Quality Control of Ginkgo Leaves Extract and Preparations by UPLC Fingerprint[J]. Chinese journal of experimental traditional medical formulae, 2017, 23(1): 64-68. DOI: 10.13422/j.cnki.syfjx.2017010064.
Objective: To establish the ultra performance liquid chromatography (UPLC) fingerprint method for effective quality control of Ginkgo leaves extract and Ginkgo leaves solid preparation. Method: The chromatographic fingerprint was obtained with Agilent UPLC column (2.1 mm×100 mm
1.8 μm)
with acetonitrile-0.1% formic acid solution as the mobile phase for gradient elution. The flow rate was 0.2 mL·min-1
and the column temperature was maintained at 30℃. The detection wavelength was set at 360 nm. The fingerprints of samples were further evaluated by chemometrics methods including similarity analysis(SA)
hierarchical clustering analysis(HCA) and principal component analysis(PCA). Result: The fingerprint was obtained within 16 minutes. There were 14 common peaks in the fingerprints
and 4 peaks were identified.With the fingerprint of control herb and control extract as the reference fingerprint
the samples can be divided into two types according to the similarity results:one type with similarity of 0.312-0.585
and the other type with similarity of 0.978-0.993.The results of HCA and PCA were consistent with those of SA. Conclusion: The method is fast and efficient. It can be used for the quality evaluation of Ginkgo leaves extract and Ginkgo leaves solid preparation.