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Zosterae Marinae Herba

Eelgrass

海带 〔海帶〕 hǎi dài

Alternate English names: grasswrack

Kingdom: Plant

Origin in unofficial sources: Zostera marina L.; Laminaria japonica Aresch.; Phyllospadix scouleri Hook.

Use: Medicinal

Properties: Salty; cold; nontoxic.

Actions and indications: Softens hardness and transforms phlegm; disinhibits water and drains fire. Treats goiters and tumors of the neck; mounting (shàn) and concretions; water swelling; leg qì (jiǎo qì).

Dosage and method: Oral: Decoct (4.5–9g); use in pills or powders.

Notes: The term hǎi dài 海带 is now used to denote plants of the laminariaceae eaten as food, notably kūn bù 昆布, kelp.

See: Kūn bù (昆布 Laminariae/Eckloniae Thallus, kelp)

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