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Limonitum

Limonite

禹余粮 〔禹餘糧〕 yǔ yú liáng

Alternate Chinese names: 太一余粮 tài yī yú liáng; 禹余石 yǔ yú shí

Kingdom: Mineral

Origin in PRC Pharmacopoeia: Mineral mainly consisting of FeO(OH).

Use: Medicinal

Category: Astringing agents / Sweat-checking agents

Properties: Sweet and astringent; balanced.

Channel entry: Stomach and large intestine channels.

Actions and indications:

Dosage and method: Oral: Decoct (9–20g); or use in powders or pills. Topical: Grind and sprinkle on affected area or apply mixed.

Quality: Unbroken dark-colored lumps with pronounced layers are the best.

Production area: Hénán, Jiāngsū, Zhèjiāng, Sìchuān.

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