Identification and Determination of Flavonoids in Astragali Radix by High Performance Liquid Chromatography Coupled with DAD and ESI-MS Detection
β Scribed by Lv, Yan-Wen; Hu, Wei; Wang, Yu-Ling; Huang, Lan-Fang; He, Yun-Biao; Xie, Xian-Zhen
- Book ID
- 111685675
- Publisher
- Molecular Diversity Preservation International
- Year
- 2011
- Tongue
- English
- Weight
- 199 KB
- Volume
- 16
- Category
- Article
- ISSN
- 1420-3049
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## Abstract An improved quality control method was developed to simultaneously determine 15 major constituents (eight flavonoids and seven saponins) in various Radix Astragali preparations, using SPE for pretreatment of samples, HPLC with diodeβarray and evaporative light scattering detectors (DADβ
## Abstract A microwave assisted extraction (MAE) procedure was first developed for the simultaneous determination of isoflavonoids and astragalosides in Radix Astragali (RA). MAE showed the highest extraction efficiency when compared to Soxhlet, reflux, and ultrasonic extraction. It was found that