Alkaloids isolated from indigenous South African Amaryllidaceae: Crinum buphanoides (Welw. ex Baker), Crinum graminicola (I. Verd.), Cyrtanthus mackenii (Hook. f) and Brunsvigia grandiflora (Lindl)
Makaleler > Tam Makale · 2018
Yazarlar: M. Masi, B. Mubaiwa, T. Mabank, Ç. Karakoyun, A. Cimmino, W.A.L. Van Otterlo, I.R. Green, A. Evidente
South African Journal of Botany, Uluslararası, Wos, 2018, cilt 118, ss 188-191
DOI: 10.1016/j.sajb.2018.07.021
Özet
Screening for alkaloids produced in four indigenous South African Amaryllidaceae plants, namely, Crinum buphanoides Welw. ex Baker, Crinum graminicola I. Verd., Cyrtanthus mackenii Hook. f and Brunsvigia grandiflora Lindl, leads to the isolation of lycorine as the one metabolite produced by all the species studied. C. graminicola produced lycorine in the best yield (2.1 g/kg). Moreover, 1- O -acetyl- and 2- O -acetyl-lycorine, pratorimine, hippadine and tazettine were isolated from C. buphanoides . Haemanthidine, haemanthamine and criwelline were isolated from C. graminicola , while tazettine and 11-hydroxyvittatine were produced by C. mackenii . Finally, crinamine and 11-hydroxyvittatine were isolated from B. grandiflora . This is the very first report on the isolation of these alkaloids from the four South African Amaryllidaceae. Furthermore, some interesting chemosystematic evaluations are reported.