Production RegionsPrimarily produced in the Chinese provinces of Fujian, Guangdong, Guangxi, and southern Fujian.
Macroscopic FeaturesRound or sub-spherical thick pieces, 1.5~2cm diameter, 2~6mm thick. Outer skin is reddish-brown, wrinkled, sometimes can see root scars and remnants of scales and rings. Fractured surface is grayish-white, powdery, smooth and fine, slightly raised up, and with wrinkled outer skin. Brittle texture, easily broken. Aromatic odor, slightly similar to camphor; spicy and acrid tastes (but different with ginger).
Quality RequirementsSuperior medicinal material is white, powdery, full, with potent aroma and strong spicy and acrid taste.
FunctionsWarms the middle, digests food, stops pain. Apply to chest and abdominal cold pain, indigestion, traumatic injury, toothache. Chest and diaphragm swelling and fullness, abdominal cold pain, indigestion.
Technical Terms'Shrunken skin with protruding flesh’: This refers that specifically pertains to the identification of shan nai. Its special characteristic is that the edges of horizontally sliced pieces have an outer skin that is tight and shrunken around the center, while the center portion often bulges slightly outward.
OriginThe dried rhizome of Kaempferia galangal L.(Zingiberaceae)