Active constituents in Rheum acuminatum and Rheum australe (Polygonaceae) roots: A variation between cultivated and naturally growing plants
2012
Abstract
The concentrations of five anthraquinones (chrysophanol, emodin, aloe-emodin, physcion and rhein) and two stilbenes (piceatannol and resveratrol) present in the roots of Rheum acuminatum and Rheum australe were determined and compared in cultivated and naturally grown plants. The results suggest that the two species could be used interchangeably.
The cultivated plants can be used when high levels of piceatannol and resveratrol are desired, whereas plants from natural habitats can be used to obtain higher levels of the other compounds