| abstract |
The present invention involves the use of Tripterygium Wilfordii Hook F extracts or a component thereof such as triptolide, triptodiolide, triptonide, polpunonic acid, polpunonic methyl ester, triptophenolide, triptophenolide methyl ether, triptonoterpenol, wilformine, wilforine, wilforgine, or wilforzine to suppress the immunity of an animal. This use which is particularly effective to suppress autoimmune disease is a most preferred embodiment of this invention. |