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Valuation Traceability of Reference Extract of Total Lactones from Ginkgo Leaf for Quantitative Analysis / 医药导报
Herald of Medicine ; (12): 554-557, 2017.
Article in Chinese | WPRIM | ID: wpr-512341
ABSTRACT
Objective To prepare the phmaceutical reference materials of total lactones extract from ginkgo leaf for quantitative analysis.Methods A HPLC determination method was developed to investigate the uniformity and stability of the reference extract of ginkgo leaf total lactones using with bilobalide, ginkgolide A, ginkgolide B and ginkgolide C as the indexes.Three laboratories participated in the collaborative calibration test.Results The four components in reference extract had good uniformity and stability with RSD less than 2.0%;the marked values of the four components had been determined through statistical data analysis which provided by assigned traceability values.The values of bilobalide, ginkgolide A, ginkgolide B, and ginkgolide C were 39.54%, 29.03%, 15.96% and 11.69%, respectively.Conclusion The reference extract of ginkgo leaf total lactones can be prepared for quality control in future quantitative analysis.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Herald of Medicine Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Herald of Medicine Year: 2017 Type: Article