Tianma, Rhizoma Gastrodiae

Tianma, Rhizoma Gastrodiae Gastrodiae Rhizoma (tianma) or tall gastrodia Rhizome is the dried rhizome of Gastrodia elata Blume, family Orichidaceae. Gastrodiae Rhizoma has sedative, hypnotic, anti-convulsion and anti-epileptic activities. The active substances are gastrodin, gastrodin aglycone and polysaccharides. Gastrodiae Rhizoma has significant anti-anxiety activity and can improve coginitive learning ability and memory. Gastrodiae Rhizoma can protect animal neurons from ischmia/reperfusion injury, has anti-myocardial infarction activity by increase coronary blood circulation. Gastrodiae Rhizoma, gastrodin and gastrodin aglycone have vasodilatation and blood pressure reducing effects. Gastrodiae rhizoma and its polysaccharides can enhance the function of speicific and non-speicific immunity system, and has anti-aging activity. Gastrodiae Rhizoma also has anti-inflammatory activity. enhances DNA and protein systhesis, and gastric mucosa protection. Sweet in flavor, neutral in nature. Enter liver channel. Subdue liver-wind to relieve spasm, stabilize liver-yang, expel wind and dredge meridians.