D ETERMINATION OF TRANS ISOMER OF CAFFEIC ACID IN ISOMERIC CHANGE UNDER THE INFLUENCE OF LIGHT
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Abstract
The isomeric change of caffeic acid after exposure to different light was described.The cis and trans isomers of caffeic acid could be separated by paper chromatography using 20% (v/v) acetic acid as the developing solvent, and then determined by the dual
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