Carthamus tinctorius L Fam Asteraceae

HONG HUA

Carthamus tinctorius L. (Fam. Asteraceae) I. Branch with flowers; 2—3. Tubular flower; 4. Pistil pharmaceutical name Folium Sennae english name senna leaf part used dried leaflet

Folium Sennae is produced chiefly in India, Egypt, and the provinces of Hainandao and Yunnan in China. Collected in September, the leaves are dried in sunlight after cleaning and used unprepared.

flavor, property, and channel tropism

Sweet and bitter in flavor, cold in property, acts on the Large Intestine channel.

functions

Purges Heat, relaxes the bowels, and induces diuresis.

clinical use and major combinations

For constipation, especially with accumulation of Heat. A small dose of Folium Sennae has a mild effect, whereas a large dose has a drastic effect. It is used with Cortex Magnoliae Officinalis (Hou Po) and Fructus Aurantii Immaturus (Zhi Shi).

dosage and administration

1.5—3 g, for a mild effect, 5 —10 g, for a drastic effect. Steep the herb in boiling water for an oral dose or decoct in water longer than other herbs.

precautions

Contraindicated during pregnancy, menses, and lactation. Overdose can result in abdominal pain, nausea, and vomiting.

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