Malihe Nasrabadi

[ 1 ] - Isolation and identification macrocyclic spermine alkaloid(protoverbine) from verbascum speciosum.

The 17-membered macrocyclic spermine alkaloid protoverbine (8-phenyl-1,5,9,13-tetra azacycloheptadecan-6-one) was isolated From the aerial part of verbascum speciosum. The natural polyamines are ubiquitous bases reported to have several important functions in animals, plants and microorganisms. They are involved in processes of transcription and translation in protein synthesis and influence gr...