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A ohemical investigation of peach bark for flavonoid contents has been carried out by a number of workers.1-4 The conflicting nature of their results and the fact that no work seems to have been done on the indigenous variety led us to reinvestigate the problem. During the progress of our work Christiansen and Boll5 reported the isolation of a new flavanone which was characterized as 5,3'-dihydroxy-7,4'dimethoxyflavanone (I) by synthetic and spectral evidences.
Rahman et al. (Thu,) studied this question.