Studies on Antifatigue Activity of Crude Drug Extracts( II ) -Extracts of Poria Cocos and Sophora japonica-

수종추출체제(數種抽出製劑)의 항피로효과(抗疲勞效果)에 관(關)한 연구(硏究) (제 2 보)(第 2 報) -Poria cocos 및 Sophora japonica의 추출제(抽出劑)-

Extract of drugs in commerce was administered to mice for 3 days and its fatigue effects were compared with those of P. ginseng extract and A. sessiliflorum extract. Mice were used for these experiments divided into ethyl alcohol and water extract of P. cocos, S. japonica, P. multiflorum, L. chinense, A. cochinchinensis, S. indicum, N. nucifera were given ordinary dose orally. For antifatigue test, swimming performance were determined after administration of the extract The group of P. cocos gave high improvement of the swimming performance in ethyl alcohol extract group. And the group of S. japonica an improvement was also observed in water extract group.