5,20α (R)-Dihydroxy-6α,7α-epoxy-1-oxo-(5a)-witha-2,24-dienolide and solasodine inhibit
proliferation of murine spleen cell cultures. The steroidal lactone occurs in the
medicinal plants Withania somnifera and Lycium chinense. The steroidal alkaloid is contained inter alia in Solanum nigrum.
Withania somnifera - Lycium chinense - Solanum nigrum - Solanaceae - Withanolide -
Solasodine - Lymphocyte proliferation
