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We report in this communication the isolation of cardamonin (2', 4'-dihydroxy–6'-methoxy chalcone) and alpinetin (7–hydroxy–5–methoocy flavanone) from the seeds of Amomum subulatum Roxb. (Zingiberaceae). An earlier chemical investigation on the seeds [1] revealed the presence of a number of terpenes.
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Rao et al. (1976) studied this question.
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