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HPLC Fingerprint of Bletillae Formosanae Rhizoma / 中国实验方剂学杂志
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 180-186, 2019.
Article in Chinese | WPRIM | ID: wpr-802438
ABSTRACT

Objective:

To study the chemical constituents of Bletillae Formosanae Rhizoma and the distribution characteristics of active components in the fingerprint by establishing its high performance liquid chromatography (HPLC) fingerprints.

Method:

HPLC was used to establish the fingerprint of Bletillae Formosanae Rhizoma. Four reference substances,i.e. militarine,coelonin,4-methoxy-9,10-dihydrophenanthrene-1,2,7-triol and batatasin Ⅲ were used to identify chromatographic peaks. The fingerprints of 17 batches of Bletillae Formosanae Rhizoma fingerprints were analyzed and compared by "Computer-aided-similarity evaluation soft" and stoichiometry,and then compared with the fingerprint of Bletillae Rhizoma.

Result:

The established HPLC fingerprint method of Bletillae Formosanae Rhizoma showed good repeatability and stability. 20 common peaks were marked,four of which were identified by reference substances; militarine was No.8 common peak,and others corresponded to No. 10, No. 14 and No. 18 common peaks. Results showed that the similarities of samples except S4 were higher than 0.85, but the relative peak area of common peaks was quite different. Within the cluster distance 10,the samples are clustered into 5 categories, reflecting certain origin correlation. Principal component analysis (PCA) showed that the difference in samples was mainly caused by the common peaks located after No. 9 peak,where chemical constituents such as bibenzyl and dihydrophenanthrene were distributed. Bletillae Formosanae Rhizoma and Bletillae Rhizoma showed similar chemical constituents.

Conclusion:

The method provided a theoretical basis for the further clinical application and quality control of Bletillae Formosanae Rhizoma,as a substitute for Bletillae Rhizoma.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2019 Type: Article