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Quantitative analysis of acankoreoside A and acankoreagenin in the leaves of Schefflera octophylla and Schefflera actinophylla using pressurized liquid extraction and high‐performance liquid chromatography coupled with evaporative light scattering detection
- Cao, Kai‐Yue, Qiao, Chun‐Feng, Zhao, Jing, Xie, Jing, Li, Shao‐Ping
- Journal of separation science 2015 v.38 no.13 pp. 2201-2207
- Schefflera actinophylla, acetonitrile, bioactive properties, cluster analysis, formic acid, high performance liquid chromatography, leaves, light scattering, quality control, quantitative analysis, rapid methods, triterpenoids
- A rapid method based on pressurized liquid extraction followed by high‐performance liquid chromatography coupled with evaporative light scattering detection was firstly developed for the quantitative analysis of two bioactive triterpenoids (acankoreoside A and acankoreagenin) in the leaves of Schefflera octophylla and Schefflera actinophylla. The analysis was performed on an Agilent Zorbax SB‐Aq column (4.6 × 50 mm, 3.5 μm) with gradient elution of 0.1% formic acid and acetonitrile. Calibration curves of two analytes showed good linearity (R² > 0.9990) within the tested ranges. This novel method is simple, rapid and accurate, and the results of quantification showed that contents of each investigated compound is significant high in natural S. octophylla (6.36–14.83%), which indicated that natural S. octophylla as potential medicinal resource. Furthermore, hierarchical clustering analysis based on the typical peaks of acankoreoside A and acankoreagenin from the 17 tested samples showed that natural and cultured Schefflera species were in different clusters, which could provide a means of discriminating between Schefflera species from different origins. Thus, acankoreoside A and acankoreagnin could be selected markers for quality control of S. octophylla and S. actinophylla.