Seed of Myristica fragrans Houtt., family Myristicaceae.
Seed ovate or elliptical, about 3 cm long, and 2 cm in diameter, Surface
with reticulate marks, the preparations covered with white lime powder.
A raphe with longitudinal groove presenting on one side; a hilum at the
broader end, and a chalaza at the other end. Hard in texture. Prepared
as thin pieces, section showing dull brown perisperrn extending inwards
and crossing with white endosperm forming betel-nut like patterns. Acrid
in taste, warm in nature, and attributive to spleen stomach and large
1. Astringe the intestine and relieve diarrhea: For prolonged diarrhea
due to deficiency-cold of spleen and stomach, used together with Rhizoma
Atractylodis Macrocephalae and Rhizoma Zingiberis; for diarrhea before
dawn due to deficiency-cold of spleen and kidney, used together with Fructus
Psoraleae and Fructus Schisandrac.
Warm the middle-jiao and alleviate pain: For stomach-cold with stagnation
of vital energy manifested as abdominal pain, poor appetite and vomiting,
used with Radix Aucklandiae together; and those complicated with deficiency
of spleen-energy, used together with Atractylodis Macrocephakie and Radix
1. Its volatile oil stimulates gastrointestinal tract and expels wind.
2. Oral administration of its powder (1.9g/kg) or hypodermic injection
of its volatile oil (0.12 ml/kg) may cause serious damage of cat's liver,
leading to coma and death within 24 hours.