This product is the rhizome of the perennial herbaceous plant Imperata cylindrica (Imperata cylindrica Beauv. var. major (Nees) C. E. Hubb.) from the Poaceae family. It is produced in most regions of the country. The rhizomes are harvested in spring and autumn, washed, and dried in the sun. After removing the fibrous roots and membranous leaf sheaths, they are cut into segments and used either raw or stir-fried to scorch.

bubble_chart Properties and Meridians

Sweet, cold. act on lung, stomach and bladder channels.

bubble_chart Efficacy

Cooling blood and stopping bleeding, clearing heat and promoting diuresis.

bubble_chart Indications

1. Used for hemorrhagic syndrome due to blood heat, such as hemoptysis, hematemesis, epistaxis, hematuria, etc. This product can clear heat from the lung and stomach bladder, cooling blood and stopping bleeding. It can be used alone or in combination with other blood-cooling hemostatic agents.
2. Used for heat stranguria, edema, etc. This product can clear heat and promote diuresis, treating heat stranguria, combined with Akebia Stem, Talc, etc., such as Shengji Zonglu Maogen Decoction; for treating edema and dysuria, combined with Plantain Seed, etc.
3. In addition, this product can also treat warm heat vexation and thirst, stomach heat vomiting, lung heat cough, and dampness-heat jaundice, etc.

bubble_chart Documentation

1. Bielu: "Promotes urination, removes guest heat in the intestines and stomach, quenches thirst... women's menorrhagia."
2. Bencaozheng Yi: "Lalang grass rhizome, cold and very sweet in taste, can clear heat in the blood aspect without causing dryness, and is not sticky, thus cooling blood without worrying about stasis, mainly treating hematemesis. It is very effective in reducing the malpractice of heat therapy."

bubble_chart Usage and Dosage

Decoct and take 15-30g, double the amount for fresh product, with fresh product being preferable. It can be mashed to extract juice for consumption. Mostly used raw, and can also be stir-fried until scorched for hemostatic purposes.

bubble_chart Modern Pharmacology

This product contains imperatorin, arundoin, 5-hydroxytryptamine, potassium, calcium, etc. The decoction has diuretic effects and promotes blood coagulation. The decoction exhibits grade I inhibitory effects against Shigella sonnei and Shigella flexneri, and also has antipyretic effects.