Production RegionsPrimarily produced in the Chinese provinces of Shaanxi, Gansu, Henan.
Macroscopic FeaturesSpherical or flat spherical, 4~6mm diameter. Externally brownish-red to dark brown, shriveled, wrinkled, shrunken, flesh sticks tightly to seeds. 1~2seeds with a kidney-like shape; externally brownish-yellow, lustrous, seed coat is thin and brittle. Flesh has faint odor, slightly sour taste.
Quality RequirementsSuperior medicinal material has large granules, thick flesh, moisture and soft, purplish-red fruit skin.
PropertiesSour, sweet, warm.
FunctionsInducing astringency, benefiting qi-flow engendering liquid, tonifying kidney and calming the heart. Apply to lingering cough and dyspnea due to deficiency, nocturnal emissions and spermatorrhoea, anischuria and urinary frequency, lingering diarrhea, spontaneous perspiration, night sweat, hydrodipsia due to depletion of body fluids, shortness of breath and feeble pulse, feverish dysphoria and diabetes, palpitation and insomnia.
Processed FormVinegar nan wu wei zi: Steam cleaned nanwuweizi till turned black. Pound to pieces. Externally brownish-black, dry and shriveled, flesh sticks tightly to seeds, not sticky. Seed is brown not lustrous.
OriginThe dried mature fruit of Schisandra sphenanthera Rehd. et Wils.(Magnoliaceae)