## Abstract A preparative highβspeed counterβcurrent chromatography method for isolation and purification of bufadienolides from ChanSu was developed by using a stepwise elution with twoβphase solvent system composed of __n__βhexane/ethyl acetate/methanol/water at the ratios of 4:6:2:4βv/v, 4:6:2.5
Preparative separation of gallic acid from Chinese traditional medicine by high-speed counter-current chromatography and followed by preparative liquid chromatography
β Scribed by J.J. Lu; Y. Wei; Q.P. Yuan
- Book ID
- 108262225
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 153 KB
- Volume
- 55
- Category
- Article
- ISSN
- 1383-5866
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract Platycosides (PSs), the saponins found in the root of __Platycodon grandiflorum__ (Jacq.) A. DC. (Platycodi Radix), are typically composed of oleanene backbones with two side chains; one is a 3β__O__βglucose linked by a glycosidic bond, and the other is a 28β__O__βarabinoseβrhamnoseβxyl
## Abstract Capsaicin and dihydrocapsaicin are two main bioactive components of __Capsicum frutescens__ and are widely used as food additives and drugs in China and India. Due to their similarity in structures, isolation of capsaicin and dihydrocapsaicin with traditional methods such as silica gel