Du Huo【New Wt: 100g】

NPN 80095507

【Macroscopic Features】
Root head and main root is thick and short, slightly cylindrical, 1.5~4cm long, 1.5~3.5cm diameter; lower portion has numerous curved lateral roots that are 12~30cm long and 0.5~1.5cm in diameter. Externally rough, grayish-brown, with irregular longitudinal wrinkles and horizontal cracks, and numerous horizontally-oriented lenticels; root head has ring striations with numerous scars of leaf stem, inner center has indented scar of stem. Hard texture; fractured surface is grayish-yellow-white, cambium is brown, cortex has brown oil spots, xylem is yellowish-brown; fractured surface of root head has large pith and oil spots. Distinctively aromatic odor; bitter and acrid taste, slightly numbing to the tongue.

【Properties】Acrid, bitter; slightly warm.

【Channels (meridians) entered】kidney and bladder.

【Functions】
Dispels wind, eliminates dampness, frees cold, stops pain. apply to wind-cold and damp impediment, pain of waist and knees, subside wind of Shao Yin and headache, headache and toothache.