Gan Jiang
Zingiber officinale Rosc.
☯ TCM Properties
Warms the Interior and Dispels Cold; Restores Yang and unblocks the channels; Warms the Lungs and Transforms Phlegm-Fluids; Warms the Channels and Stops Bleeding
Western Herbalism Properties
Botanical Description
Zingiber officinale Roscoe (Zingiberaceae) is a herbaceous tropical perennial growing 0.6 to 1.2 meters tall from a thick, branched, aromatic rhizome. The leafy aerial pseudostems bear distichous, lanceolate leaves 15 to 30 cm long with sheathing bases. Flowers are produced on separate scapes arising from the rhizome in cone-like spikes of imbricate green bracts; the small yellow-green flowers have a purple, cream-spotted labellum. The species is native to tropical Asia and cultivated globally for its rhizome. In traditional Chinese medicine, Gan Jiang refers to the mature rhizome that has been cured and dried, typically harvested in autumn or winter when the plant has died back. Drying intensifies the warming, drying and dispersing qualities of the rhizome relative to the fresh form (Sheng Jiang); Gan Jiang is regarded as more deeply warming to the interior, particularly the Spleen, Stomach and Lung, and is used as a separate substance from fresh ginger in Chinese materia medica.
Dosage
| Form | Amount | Frequency | Duration | Population | Notes |
|---|---|---|---|---|---|
| decoction | 3-9g | Daily | — | — | — |
Cultural & Historical Context
Traditional Chinese Uses
Gan Jiang (dried ginger) occupies a central position among warming herbs in Chinese medicine. Unlike fresh ginger, which acts primarily at the body's surface, dried ginger penetrates deeply to restore warmth to the interior — particularly the Spleen, Stomach, and Lung. It is the principal herb for cold-induced abdominal pain, vomiting, and diarrhea, and it is also effective for chronic cough with thin, watery phlegm. Its ability to revive Spleen Yang and dispel cold makes it essential in formulas for Yang deficiency.
Traditional American Uses
None Documented
Important Disclaimer
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.