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Silkworm droppings

蚕砂 〔蠶砂〕cán shā

Latin pharmacognostic name: Bombycis Faeces

Alternate Chinese names: 晚蚕沙 wǎn cán shā; 蚕沙 cán shā; 蚕砂 cán shā

Kingdom: Plant

Origin (other sources): Bombyx mori L.

Use: Medicinal

Category:

Properties: Sweet and acrid; warm; nontoxic*.

Channel entry: Liver and spleen channels.*

Indications:

Dispels wind and eliminates dampness; quickens the blood and settles pain.

wind-damp impediment (fēng shī bì) pain; wind papules itch; head wind headache; insensitivity of the skin; inhibited joints; acute vomiting and diarrhea with cramp; cold pain of the lumbus and feet; wind ulceration of the eyelid rim.

Quality: Dry firm uniform black droppings without impurities are the best.

Product Area: Zhèjiāng, Jiāngsū, Guǎngdōng.

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