Separation of gibberellic acid (GA3) by macroporous adsorption resins

2008, Volume 2, Issue 2

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Frontiers of Chemical Science and Engineering >> 2008, Volume 2, Issue 2 doi: 10.1007/s11705-008-0025-0

Separation of gibberellic acid (GA3) by macroporous adsorption resins

1.College of Bio-engineering, Jimei University; 2.Tianjin Product Quality Inspection Technology Research Institute; 3.Key Laboratory of Bioactive Materials, Ministry of Education Nankai University;

Available online: 2008-06-05

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Abstract

The adsorption effects of several macroporous adsorption resins for gibberellic acid (GA3) were investigated. The dynamic adsorption capacity is 58.38 mg/g dry beads for resin R4 and 96.46 mg/g dry beads for resin R5 which is consistent with the surface area. Aqueous methanol (50%, V/V) is a good eluent and the yield of GA3 is above 95%. The concentration of GA3 could increase five-fold after an adsorption-elution cycle and this is important when considering further crystallization of GA3 in an industrial process.

Keywords

industrial ; gibberellic ; adsorption capacity ; crystallization ; consistent

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