The decoction of four Chinese herbal medicines can be used to improve the blood-supply of cardiac muscle; to treat hypertension and atherosclerosis; to prevent cerebral apoplexy and senile dementia etc. And the long history of its clinical applications has proved its excellent curable effects and low side effects.
However its bitter taste, larger oral does, inconvenience of decocting and the inconstancy and inaccuracy of its active principle etc have been regarded as its shortages.
A...