Stability and bioactivity of gibberellic acid in different solvents
1993
Du Preez, J.C. | Qian, X.M. | Kilian, S.G.
HPLC chromatograms indicated that transformation of gibberellic acid (GA3) to the corresponding dicarboxylic acid via iso-GA3 occurred in weak alkaline solution. The bioactivity of this dicarboxylic acid was about 20% that of GA3 and above 0.3 M NaOH this compound appeared to decompose. Aqueous solutions of NaOH cannot, therefore, be used as solvent in bioassays of GA3 activity.
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