Supercritical Antisolvent Precipitation of Microparticles of Quercetin
摘要
Supercritical antisolvent (SAS) process is a recently developed technology to produce micro- and nanoparticles. This paper presents a continuous apparatus to conduct experiment of SAS process. With the apparatus,the effects of pressure, temperature and flow ratio of CO2 to the solution on the shape and size of particles are studied for the quercetin-ethanol-CO2 system. Spherical quercetin microparticles with diameters ranging form i μm to 6μm can be obtained while ethanol is used as organic solvent. The most effective fact on the shape and size of particles is pressure, the next is temperature and the last is the flow ratio of CO2 to solution.
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刘学武, 李志义, 韩冰, 等. Supercritical Antisolvent Precipitation of Microparticles of Quercetin[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.
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