Senna leaf (Fanxieye)
Cassia angustifolia Vahl (Fam. Fabaceae)
Pharmaceutical Name: Folium Sennae
Botanical Name: 1. Cassiaangustifolia Vahl; 2. Cassia
acutifolia Delile (Fam. Fabaceae)
Common Name: Senna leaf.
Source of Earliest Record: Yaoxue
Dacidian.
Part Used & Method for Pharmaceutical
Preparations:
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.
Properties & Taste: Sweet, bitter
and cold.
Meridian: Large intestine.
Functions: To purge feces downward.
Indications & Combinations: Constipation.
Senna leaf (Fanxieye) is used alone, or it is used with Immature bitter orange
(Zhishi) and Magnolia bark (Houpo).
Dosage: 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.
Cautions & Contraindications: Contraindicated during pregnancy,
menses, and lactation. Overdose can result in abdominal pain, nausea, and
vomiting.
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