Grown in Honnan. Hopei and Mongloria
of China. Collect in Spring and Fall. Processed with wine, orange
peel and cardamom. Repeat steam and dry until they turn into a bright
black color with soft and oily quality.
Chemical Component
Rehmannin, mannitol, sucrose, amino acid, Vit.
A, catalpol.
Use Recommendations
Anemia, dizziness, palpitation, insomnia, seminal
emission, menorrhagia and diabetes.
Effects
Prepared Rehmannia root has action on
heart, decreases of blood sugar and is a diuretic. Experiments indicate
that Rehmannia also have anti-rheumatic and anticancer effects.
Dosage
9 – 30gm.
Contraindications
Because of its greasy character, it
is not to use to a person with indigestion, diarrhea or fullness
of abdomen.
Interesting facts
Rehmannia can be used without processing.
The raw form of rehmannia called Dry or fresh Rehmannia (Sheng Di
Huang) which used with direct cut from the root of the plant. Raw
or fresh Rehmannia have different pharmaceutical actions which can
cool the heat in the blood by producing more fluids. Prepared rehmannia,
on the other hand, has a strengthen action to the body especially
the blood formation. These two herbs came from the same spices of
plant but providing different effects. In fact, they are classified
into two different categories in Chinese herbology.
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