pubmed-article:21628911 | pubmed:abstractText | A new minor polyoxygenated triterpene named glutinolic acid (1) and two new aeginetic acid quinovosides (2, 3) were isolated from the roots of Rehmannia glutinosa LIBOSCH. (Scrophulariaceae) cultivated in Gunwi-gun, Korea. The structures of these compounds were established as 3?,19?,20?,24,30-pentahydroxyurs-12-en-28-oic acid (1, glutinolic acid), aeginetic acid 5-O-?-D-quinovoside (2) and aeginetoyl ajugol 5?-O-?-D-quinovoside (3) on the basis of chemical and spectroscopic evidence. | lld:pubmed |