Herbal medicine has been used in principle as sole medicine from ancient time all over the world. At present, herbal medicine is included from healthy foods to medical drugs. In western medicine using modern clinical therapies, the drugs derived from herbal drugs are quite a few; for instance, digitalis, atropine, morphine, ephedrine, reserpine, curare, aspirin, and so on. Traditional herbal medicine is composed of a lot of herbs, and one herb (crude drug) ...
