Seed of Hydnocarpus anthelmintica Pier., family Flacourtiaceae.
Seed ovate, with obtuse ridges, forming 3-4 dimentional bodies, 2-3 cm
long, 1-2 cm in diameter. Surface grey-brown or dark-brown, the smaller
end with grooves extending to the middle. Acrid in taste, heat in nature,
toxic, and attributive to lung channel.
Expel wind, deprive dampness, clear away toxic material and kill parasite:
For leprosy, both internal and external use; external use for scabies,
tinea and syphilitic skin lesion.
Chaulmoogric oil inhibits the growth of Bacillus tuberculosis and other
acid-fast bacillus in vitro, its effect is as 100 times as that of phenol.
External use: Appropriate amount.