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Hai Zao

Hai Zao
Hai Zao #

Hai Zao2
Hai Zao2 #

Naming

Hai Zao (Sargassum)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)

  1. Seaweed
  2. 海藻
  3. Sargassum

The Processing of Hai Zao

Origin

The dry algae of plant Sargassum pallidum (Turn.) C. Ag. or S. fusiforme. (Harv.) Setch. of family Sargassaceae.

Location

Littoral areas in China.

Harvest

Collected in summer and autumn.

The actual smell and taste

Fishy smell, lightly salty taste.

Best quality

Dry, black and brown, less salt efflorescence, tender twig, without sand.

Processing

Unprocessed.

The Effect of Hai Zao

Property

Salty, cold; liver, stomach and kidney meridians entered.

Actions

Dissolve phlegm and soften hardness, induce diuresis and alleviate edema.

Indications

A. Scrofula, goiter, swollen and painful testis

This herb can remove phlegm, soften hardness and dissipate nodulation mainly indicated for scrofula, goiter, swollen arid painful testis resulted from phlegm and qi accumulation together and congealing transforming into mass. For scrofula and goiter, it is usually combined with other hardness-softening and phlegm-resolving herbs. For instance it is combined with Kun Bu and Bei Mu in Hai Zao Yu Hu Tang from Yi Zong Jin Jian. For swollen, distending and painful testis caused by phlegm congealing and qi stagnation, it is combined with liver-soothing, qi-regulating and phlegm-resolving herbs. For instance it is combined with Ju He, Kun Bu and Chuan Lian Zi in Ju He Wan from Ji Sheng Fang.

B. Edema, downward flow of damp turbidity to the foot

This herb has the action of inducing diuresis and resolving swelling but the action is not strong enough. It is usually combined with diuresis-inducing and damp-draining herbs to enhance the action such as Fu Ling, Zhu Ling and Ze Xie, etc.

Dosage and Administrations

Decoct 10~15 g. Proper dose in wine, or pill and powder.

Cautions

Contradicated to Gan Cao.