Objective: To study the Chemical constituents from Przewalskia tangutica.
Methods: The compounds were isolated and identified from n-butanol extract of Przewalskia tangutica by various chromatographic and spectral techniques.
Results: Twelve polar compounds were isolated and identified as scopolin( 1),fabiatrin( 2),rutin( 3),queroetin-3-O-rutinoside-7-O-β-D-glucopyranoside( 4),protocatechuate( 5),vanillic acid( 6),thymine( 7),uracil( 8),cytosine( 9),adenine( 10),uridine( 11) and adenosine( 12).
Conclusion: Compounds 3 ~ 5,8 ~ 12 are obtained from Przewalskia tangutica for the first time.