Crouch Neil R, du Toit Karen, Mulholland Dulcie A, Drewes Siegfried E
Natural Products Research Group, School Chemistry, University of KwaZulu-Natal, Durban 4041, South Africa.
Phytochemistry. 2006 Oct;67(19):2140-5. doi: 10.1016/j.phytochem.2006.05.009. Epub 2006 Jul 10.
Bulbs of the ethnomedicinal hyacinthac Urginea lydenburgensis have yielded two bufadienolides, 16beta-acetoxy-3beta,14beta-dihydroxy-19-formyl-bufa-4,20,22-trienolide (scillicyanosidin) and 4beta,8beta,11alpha,14beta-tetrahydroxybufa-5,20,22-trienolide-12-one, 2alpha,3beta-O-4,6-dideoxy-L-glucose (lydenburgenin).
民族药开普海葱(Urginea lydenburgensis)的鳞茎已分离出两种蟾蜍二烯羟酸内酯,16β-乙酰氧基-3β,14β-二羟基-19-甲酰基-蟾蜍-4,20,22-三烯醇内酯(海葱花青素)和4β,8β,11α,14β-四羟基-蟾蜍-5,20,22-三烯醇内酯-12-酮,2α,3β-O-4,6-二脱氧-L-葡萄糖(莱登堡苷)。