| 초록 |
In this study, we evaluated the effiency of different adsorbents for the removal of plant-derived impurities during the pre-purification of paclitaxel from plant cell cultures. Using the synthetic adsorbents and active clay and their major components SiO2 and MgO, we performed adsorbent treatment and analyzed the paclitaxel precipitates recovered from hexane precipitation.When SiO2 was used, the highest purity(~58.1%) and yield(~91.5%) of paclitaxel were obtained.We also determined differences in the effectiveness of the adsorbent treatment according to changes in the surface area, pore volume and pore diameter of SiO2. Adsorbent treatment was more effective when pore diameter was larger(silica I [2.19 nm]< silica II [4.92 nm] ＜ silica III [9.07 nm]).The highest purity(~74.3%) and yield (~92.9%)of paclitaxel were obtained when silica III was used in the adsorbent treatment.Pore diameter had a greater effect on the removal of plant-derived impurities during the pre-purification of paclitaxel compared with surface area and pore volume.
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