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