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Sargassum
海藻 〔海藻〕hǎi zǎo
Latin pharmacognostic name: Sargassum
Alternate English names: sargasso gulfweed
Kingdom: Plant
Origin in PRC Pharmacopoeia: Sargassum fusiforme (Harv.) Setch.; Sargassum pallidum (Turn.) C. Ag. (PRC Pharmacopoeia)
Origin (other sources): Sargassum fusiforme (Harv.) Setch.*; Sargassum pallidum (Turn.) C. Ag.*; Sargassum tortile C. Ag.; Sargassum kjellmanianum Yendo; Sargassum thunbergii (Mert.) O. Ktze.
Use: Medicinal
Category: Phlegm-transforming cough-relieving panting-calming agents / Phlegm-transforming agents
Properties: Salty; cold.
Channel entry: Liver and kidney channels.
Indications:
- Disperses phlegm and softens hardness: Goiter; scrofula; painful swollen testicles.
- Disinhibits water and disperses swelling: Leg qì (jiǎo qì) with puffy swelling; water swelling.
Dosage & Method: Oral: 10–15g in decoctions; also used in powders and pills.
Warnings: Hǎi zǎo is traditionally said to clash with gān cǎo (Glycyrrhizae Radix).
Quality: Large, neat pieces without foreign matter are best.
Product Area: Shāndōng, Guǎngdōng, Fújiàn.
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