Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/63335
標題: Supercritical carbon dioxide anti-solvent process for purification of micronized propolis particulates and associated anti-cancer activity
作者: Wu, J.J.
楊秋忠
Shen, C.T.
Jong, T.T.
Young, C.C.
Yang, H.L.
Hsu, S.L.
Chang, C.M.J.
Shieh, C.J.
張傑明
謝淳仁
鍾婷婷
關鍵字: Supercritical carbon dioxide;Anti-solvent;Micronization;Purification;Propolis;colon-cancer cells;brazilian propolis;artepillin-c;antisolvent;precipitation;extraction;derivatives;flavonoids;origin;growth;fluids
Project: Separation and Purification Technology
期刊/報告no:: Separation and Purification Technology, Volume 70, Issue 2, Page(s) 190-198.
摘要: 
This study elucidates the supercritical carbon dioxide (SC-CO(2).) anti-solvent micronization of Brazilian propolis particulates that contain the bioactive compound, 3,5-diprenyl-4-hydroxycinnamic acid (DHCA). The effects of the concentration of propolis solution and flow rate of CO(2) on purity, recovery and mean particle size of DHCA-rich particulates are studied using a two-factor central composite response surface methodology. Experimental results indicate that the purity of DHCA increases as the CO(2) flow rate decreases. The mean particle size increases as the feed concentration exceeds 27 mg/mL The growth of human colon (Colo 205) and breast (MDA-MB-231) cancer cells that were treated with these SC-CO(2) precipitates was inhibited at concentrations from 25 to 250 mu g/mL This work demonstrates that the SC-CO(2) anti-solvent micronization of the propolis solution, activated by these DHCA-rich precipitates, is a feasible means of inhibiting the growth of human colon and breast cancer cells. (C) 2009 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/11455/63335
ISSN: 1383-5866
DOI: 10.1016/j.seppur.2009.09.015
Appears in Collections:生物科技發展中心

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