Last updated: 22 Jul 2022  |  8284 Views  | 


Atractylodis Macrocephalae Rhizoma (白术) is the dried rhizome of Atractylodes macrocephala Koidz, family Asteraceae (Compositae).

Other name   
Baizhu (Chinese name), Largehead Atractylodes Rhizome

Macroscopic character
Irregularly plump mass. External greyish-yellow or greyish-brown, with warty protrudings, interrupted longitudinal wrinkles and grooves, and scars of fibrous rootlets; remains of stems and bud scars attached to the apex. Texture hard, uneasily broken, fracture uneven, yellowish-white to pale brown, scattered with brownish-yellow dotted oil cavities. Odor, aromatic; taste, sweet and slightly pungent, slightly viscous on chewing.

Important cultivation area

Zhejiang , Anhui, Hunan, Hubei provinces

Processing method

1.   Baizhu: Eliminate foreign matters, wash clean, soften thoroughly, cut into thick slices, and dry.

2.   Tuchaobaizhu: Stir-bake Zaoxintu (soil inside ancient stove) on a medium fire until loose, add Baizhu (use 25 kg of Zaoxintu for 100 kg of Baizhu), then continuously stir-bake and sift out Zaoxintu.

3. Fuchaobaizhu: Stir-bake wheat bran already stir-fried with honey on a medium fire until smoke, add the slices of Baizhu (use 10 kg of wheat bran for 100 kg of Baizhu), then stir-bake on a medium fire until the color turns yellowish-brown with burnt aroma, and sift out wheat bran.

Traditional Chinese Medicine action
Bitter and sweet; warm. Enter spleen and stomach channels.

1. Baizhu : Fortify the spleen and replenish qi, dry dampness and induce diuresis, check sweating, prevent miscarriage.

2. Tuchaobaizhu : Enhance tonifying spleen and anti-diarrhea.

3. Fuchaobaizhu : Moderate dryness. Enhance fortifying spleen and anti-flatulence.

Usage and dosage    6-12 g, decoction for oral use.

* Contraindication and precaution *

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