Exocarpium Citrulli


The exocarp of Citrullus lanatus (Thunb.) Mansfeld, family Cucurb itaceae.

Crude drug irregular pieces, margin curled inward, about 1 mm thick. Outer surface deep green or yellow-brown, some with deep coloured lines; inner surface yellow-white, with reticular vascular bundles. Sweet and bland in taste, cool in nature, and attributive to spleen and stomach channels.

Clear away summer-heat, promote the production of fluid and diuresis: For summer-heat syndrome with fever, thirst and oliguria with yellowish urine and edema.

Pharmacological Action
1. An active component, citrulline, raises urea level in blood and in urine, thus promotes diuresis.
2. Oral administration of cucurbocitrin, another active component, or its aqueous extract can lower blood pressure and capillary pressure in healthy person.

Administration Decoction: 15-30g.


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Mr. Wang Tao

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