tuber of Gastrodia elata Bl. (Orchidaceae) symbiosis with Armillaria mellea
(Vahl ex. Fr.) Quel. (Fungi), boiled with water ol steamed and dried after
the cortex is discarded.
The tuber appearing as long oval in shape, circular jointu with spotted
root scars over the cortex and a "parrot-beak" like bud at the top of
the tuber or stem base. On the cross section, the cutin appears translucent
without any fibre. Sweet in taste, mild in nature and attributive to liver
1. Calm the liver-wind: For syndrome of liver-wind stirring inside, such
as infantile convulsion, tetanus, epilepsy, as well as dizziness and headache
due to sthenia of liver-yang or the attack of wind-phlegm. Recently it
is also used for the treatment of neurasthenia, nervous headache and hypertension.
2. Expel wind evil and alleviate pain: For migraine, arthralgia due to
wind-dampness type, numbness of the extremities, and general fatigue,
1. Its active component gastrodin exerts as sedative, hypnotic and antispasmodic.
2. It may increase blood flow and decrease the peripheral resistance of
Powder: 1.0-1.5g bid or tid.