BACKGROUND
The objective of this study was to evaluate the effects of herbal medicines, such as Radix Dipsaci (RDD), Pyrola Herb (PHD), and Cynomorium songaricum decoction (CSD), on osteoporotic rats induced by ovariectomy (OVX).
METHODS
OVX or sham operations were performed on 69 virgin Wistar rats
OBJECTIVE
To investigate the chemical constituents of Pyrola calliatha.
METHODS
The chemical constituents were isolated by various column chromatographic methods. The structures were identified by spectral data.
RESULTS
Ten compounds were isolated and identified as chimaphilin (1), uvaol(2), ursolic