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The bark and leaves of Eucommia ulmoides Oliv(Eucommiaceae) and “Siberian ginseng” (Ezoukogi inJapanese) prepared from the root bark or stem bark ofEleutherococcus senticosus Maxim (Acanthopanax senti-cosus Harms) have been used as tonic and anti-stressdrug. The extracts of Eucommia showed anti-hyperten-sive, anti-complementary, anti-oxidative, and anti-gastric ulcer effects, and promting collagen synthesis,accelating granuloma formation, and other pharmacologi-cal effects. The Siberian ginseng exhibited anti-fatigue,anti-stress, immuno-enhancing effect, CNS activity, andanti-depressive effect. By now, 40, 28, and 10 com-pounds have been isolated from Eucommia ulmoidesbark, Eucommia ulmoides leavs, and Siberian ginseng,respectively, and their structures were elucidated. Theirpharmacological activities were mainly due to lignans andiridoid glycosides.
The bark and leaves of Eucommia ulmoides Oliv(Eucommiaceae) and “Siberian ginseng” (Ezoukogi in Japanese) prepared from the root bark or stem bark of Eleutherococcus senticosus Maxim (Acanthopanax senti-cosus Harms) have been used as tonic and anti-stressdrug. The extracts of Eucommia showed anti-hyperten-sive, anti-complementary, anti-oxidative, and anti-gastric ulcer effects, and promting collagen synthesis,accelating granuloma formation, and other pharmacologi-cal effects. The Siberian ginseng exhibited anti-fatigue, Anti-stress, immuno-enhancing effect, CNS activity, and anti-depressive effect. By now, 40, 28, and 10 com-pounds have been isolated from Eucommia ulmoidesbark, Eucommia ulmoides leavs, and Siberian ginseng, variously, and their structures were Elucidated. Theirpharmacological activities were mainly due to lignans andiridoid glycosides.