Separation of gibberellic acid (GA3) by macroporous
adsorption resins

doi:10.1007/s11705-008-0025-0

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Front. Chem. Sci. Eng. ›› 2008, Vol. 2 ›› Issue (2) : 171-175. DOI: 10.1007/s11705-008-0025-0

Separation of gibberellic acid (GA3) by macroporous adsorption resins

WANG Ruifang¹, YANG Jialing², SHI Zuoqing³, OU Lailiang³

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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.

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WANG Ruifang, YANG Jialing, SHI Zuoqing, OU Lailiang. Separation of gibberellic acid (GA3) by macroporous adsorption resins. Front. Chem. Sci. Eng., 2008, 2(2): 171‒175 https://doi.org/10.1007/s11705-008-0025-0

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