Has shown same saponin content as present day ginseng. The total amount of ginsenosides in the lateral roots are often more than double that in the root hairs and more than double that in the main root. There are differences between the ginsengs, and many contraindications. Rg 1 and Rb 1 are diametrically opposed to each other. Chinese ginseng contains much higher amounts of Rg 1 than the American ginseng does, while there is more Rb 1 in the American ginseng .
Chinese ginseng has more of a tonic or adaptogenic effect than the American ginseng.
It would also appear, since many of these factors are opposite, that the two ginsengs might cancel each other out. This is not true, these opposing properties tend to balance each other, not combat each other. By hastening the nervous reflexes , this herb increases analytical and overall mental performance , while diminishing fatigue . It is useful for insomnia. An extract, causes the heart to contract more strongly, with a hypertensive action.