American ginseng is a kind of valuable Chinese medicine, which has been used in medicine for more than 200 years. Ginseng is the dried root of American ginseng, which is a perennial herb of the family of Wujiake. American ginseng is an ancient plant, because it is produced in the United States, Canada and France, so it is called American ginseng, in recent years, China's northeast, Hebei, Shanxi and other places are cultivated. American ginseng is divided into two categories, namely, powdered ginseng and raw ginseng due to different processing. The best ginseng is the one with even strips, hard texture, light body, compact horizontal lines on the surface, fragrant gas and strong flavor. In the fall, the root of ginseng grown for 2-6 years is selected and dug, the fibrous root is removed, or the outer skin is peeled off, smoked with sulfur, dried in the sun, and used raw or processed into health food.

Radix Panax Ginseng contains saponin-like active ingredients, similar to those contained in ginseng. Radix Panax Ginseng contains saponin, the total content of 5% -l0%, wild Radix Panax Ginseng contains saponin 8%-11%, also contains volatile oil, polysaccharide, amino acids and trace elements. Modern research has proved that American ginseng has obvious central nervous system inhibitory effect, anti-arrhythmia, anti-myocardial ischemia, increase myocardial blood flow and reduce coronary artery resistance to the cardiovascular system, as well as haemostasis, antidiuresis, lowering blood lipids, anti-haemorrhagic shock and enhancement of the immune function, etc.; has the effect of anti-haemolytic, haemostatic, anti-platelet aggregation and increase the blood mobility in normal animals, as well as regulating blood lipids and lowering blood sugar; has the effect of anti-fatigue, anti-fatigue, anti-fatigue and lowering blood glucose. It has the functions of anti-fatigue, anti-hypoxia, anti-shock and increasing body tolerance; it has the functions of nourishing and strengthening, enhancing disease resistance and adjusting the physiological functions of the body; it has the functions of promoting hepatic RNA, protein synthesis and bone marrow protein synthesis; and it has the functions of anti-tumor and anti-virus.

Experimental studies have proved that: American ginseng has the ability to improve physical and mental labor, reduce fatigue and regulate the role of the central nervous system. It has good effect on hypertension, myocardial dystrophy, coronary heart disease, angina and other heart diseases, especially on heart disease caused by irritability, sultriness, thirst, etc. It is more suitable for cancer patients. For cancer patients, it can reduce the adverse reactions caused by radiation therapy and chemotherapy, such as dry throat, nausea, emaciation, leukopenia, poor appetite, atrophy of salivary glands, etc.; it can also change the stress state of the body, reduce the thymus gland, lymphatic atrophy, and it has a significant curative effect on diabetes.

Taste

Cynanchum is sweet and bitter in taste, and cool in nature. It enters heart, lung and kidney meridians. It has the effect of benefiting qi and nourishing yin, clearing heat and generating fluids. It can be used for treating cold and flu, cough with little sputum, shortness of breath, dry mouth and throat, tiredness and thirst, loss of appetite, tiredness and sweating.

Dosage

3-6 grams of Radix Panax Ginseng, another decoction, or 1.5-3 grams, powdered, or steeped in boiling water as tea.