A comparative investigation of n-hexane soluble compounds from aerial parts of dandelion (Taraxacum officinale Weber ex F.H. Wigg.) collected during different vegetative stages was carried out. The GC-MS analysis of the n-hexane (unpolar) fraction showed the presence of 30 biologically active
OBJECTIVE
To study the chemical constituents of Taraxacum mongolicum.
METHODS
Repeated column chromatography over silica gel, C-18 and Sephadex LH-20 were used to isolate chemical constitutes and their structures were elucidated by spectroscopic methods MS, 1H-NMR, 13C-NMR including 2D-NMR
OBJECTIVE
To investigate the chemical constituents of the herbs of Taraxacum mongolicum.
METHODS
The chemical constituents were isolated by various column chromatographic methods and their structures elucidated mainly by NMR and MS evidences.
RESULTS
Forty-four components were obtained and
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