Influence of development stage on the content of biologicaly active compounds of Salvia miltiorrhiza Bunge roots



Studies on contents of phenolic compounds and diterpenes in Salvia miltiorrhiza Bunge root during the vegetation period were carried out. In Polish climate and soil condition, the tanshinone II A occurred as the dominant compound from diterpenes group. Obtained results show that the most profitable period for harvesting Salvia miltiorrhiza raw material is fructification stage. However, it is very difficult to decide on the accurate harvest date in this period. After all, taking into account various weather conditions, harvest of the Salvia mitiorrhiza Bunge should be done at the end of the vegetation period (in November). Key words: Salvia miltiorrhiza, tanshinones, phenolic compounds
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