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Analysis and Identification of Sesquiterpenes in Alpinia oxzphylla Miq Based on UPLC-Q-Orbitrap HRMS / 中草药
Chinese Traditional and Herbal Drugs ; (24): 6168-6177, 2020.
Article in Chinese | WPRIM | ID: wpr-845978
ABSTRACT

Objective:

To establish a rapid and accurate analytical method for the identification of complex system of traditional Chinese medicine, and to systematically clarify the chemical composition of sesquiterpenes in Alpinia oxyphylla.

Method:

On the basis of optimizing the extraction process of sesquiterpenes, the accurate molecular weight and secondary fragment ions information of unknown compounds were captured by ultra-high performance liquid chromatography-quadrupole/orbitrap high resolution mass spectrometry (UHPLC-Q-Orbitrap HRMS). Compared with the relative retention time and mass spectrometry data of the reference substance, combined with relevant references and databases, the sesquiterpene unknown compounds in the fruits of A. oxyphylla were accurately and rapidly characterized.

Results:

A total of 24 sesquiterpenes were identified and classified into four categories according to their skeleton structure, including nine eudesmane-type, six cadinane-type, eight eremophilane-type, and one oplopanone-type.

Conclusion:

In this study, the established analytical method was used to realize the rapid and accurate identification of sesquiterpenes in the fruits of A. oxyphylla, which provided a theoretical basis for the research on the pharmacodynamic substance basis and quality control of the fruits of A. oxyphylla.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article