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Latin pharmacognostic name: Zosterae Marinae Herba

Alternate English names: grasswrack

Kingdom: Plant

Origin (other sources): Zostera marina L.; Laminaria japonica Aresch.; Phyllospadix scouleri Hook.

Use: Medicinal

Category:

Properties: Salty; cold; nontoxic*.

Indications:

Softens hardness and transforms phlegm; disinhibits water and drains fire.

goiters and tumors of the neck; mounting (shàn) and concretions; water swelling; leg qì (jiǎo qì).

Dosage & 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 also: Kūn bù (昆布 Laminariae/Eckloniae Thallus, kelp)

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