Constituents of local plants. Part I. Chemical investigations on some cultivated Saudi Arabian plants

The 49 plant samples tested correspond to 19 family (Cactaceae to Vitaceae) exhibited a considerable variation with respect to their chemical composition which embraced the analysis of alkaloids leucoanthocyanidins, flavonoids, terpenes, steroles, cardiac glycosides, tannins, coumarins, steroid sapogenins, anthraquinones and phlobatannins.