Freiburghaus F, Jonker S A, Nkunya M H, Mwasumbi L B, Brun R
Swiss Tropical Institute, Basel, Switzerland.
Acta Trop. 1997 Sep 30;67(3):181-5. doi: 10.1016/s0001-706x(97)00064-8.
Extracts prepared from 15 rare Tanzanian medicinal plants were tested for their in vitro antitrypanosomal activity against human pathogenic trypanosomes (Trypanosoma brucei rhodesiense). Of 37 extracts investigated, two were found to have strong activity with IC50 values below 1 microgram/ml and ten extracts revealed promising activities with IC50 values between 1 and 5 micrograms/ml.