This plant, called Di Huang in China, is commonly used in Chinese herbalism, where it is one of the most popular tonic herbs and is considered to be one of the 50 fundamental herbs. The root is the main part used and it can be prepared in four different ways - charcoaled, prepared (but no details of the preparation are given) when it is called Shu Di Huang and fresh or dried when it is called Sheng Di Huang.
The roots are antibacterial, antiseptic, cardiac, diuretic, febrifuge, haemostatic, hypoglycaemic and tonic. They are used in the treatment of a wide range of ailments, including anaemia, cancer, bleeding, constipation, coughs, fever and premature ejaculation. The charcoaled root is used to stop bleeding and tonify the spleen and stomach. The fresh root is used to treat thirst, the rash of infectious diseases and bleeding due to pathological heat. The dried root is used to treat bleeding due to blood deficiency and to nourish the vital essence. The prepared root is used to treat dizziness and palpitations due to anaemia or blood deficiency, chronic tidal fever, night sweats, dry mouth, lumbago and nocturnal emissions. The roots of cultivated plants are harvested in the autumn or early winter, whilst wild plants are harvested in early spring. They can be used fresh or dried.
The root is an ingredient of 'Four Things Soup', the most widely used woman's tonic in China. The other species used are Angelica sinensis, Ligusticum wallichii and Paeonia lactiflora.
The leaves are bruised and used in the treatment of scaly eczema or psoriasis.
Possible Benefits:
Blood tonic and diuretic.
Relieves fatigue and helps with anemia.
Promotes healing of injured bones.
Strengthens the liver, kidney and heart.
Reduces blood pressure and lowers glucose levels and cholesterol.
Increases circulation to the brain.
Regulates menstrual flow and helps with urinary tract problems.
Helps with constipation.
Useful for hypoglycemia and diabetes.
Properties: Sweet and bitter in flavor, cold in nature, it is related to the heart, liver and lung channels.
Functions: Removes heat from the blood and reinforces yin (body fluids) to promote the production of body fluid.Rahmannia is one of 50 fundamental herbs used in traditional Chinese medicine.It is protective to the liver and helps prevent the depletion of stored glycogen, which can make it beneficial for hypoglycemia (an abnormally diminished concentration of glucose in the blood).
