ABSTRACT
Natural Products ......................................................................................... 217 7.3 Status of SFE in Processing TCM and Natural Products in China ............ 219
7.3.1 National Symposiums on SCF Technology ..................................... 219 7.3.2 SCF Equipment Made in China ....................................................... 219 7.3.3 Summary of Applying SFE in Processing TCM and
Natural Products ..............................................................................220 7.3.3.1 SFE with Pure Supercritical Carbon Dioxide ....................220 7.3.3.2 SFE with CO2 in Presence of Cosolvent ............................220 7.3.3.3 SFE with CO2 in Presence of Surfactant ............................ 221 7.3.3.4 Combing SFE with Ultrasound-Enhanced
Extraction Method ..............................................................223 7.3.3.5 Combining SFE with Enhanced Separation Methods .......223 7.3.3.6 Combining SFE with Other Techniques to
Make Full Use of Herbal Materials....................................224 7.4 Select Examples of SFE of TCM and Natural Products .............................225