A new nor-oleanane triterpene from Vitis vinifera

Document Type : Original Article

Author

Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt

Abstract

A new nor-​oleanane having the structure 3β,​28-​dihydroxy-​19-​oxo-​27-​noroleanane (I) has been isolated from the stem bark of Vitis vinifera L variety Thompson seedless, beside the known compds., β-​sitosterol, betulin and betulinic acid.  The identification of these compds. was based on different methods of phys. and spectral anal.