AN′TIARINE

(-ĭn; -ti′—Brande). [Eng., Fr.] Syn. An′thiarine , Eng., Fr.; Antiari′na , Anthiari′na , Antia′′ria , Upa′sia (-zh′ă), L. The active principle of the upas poison of Java. It is extracted from the partially inspi ated juice (upas poison) of the upas tree by alcohol, and may be obtained under the form of small pearly crystalline scales by careful evaporation.— Prod. About 3 1 ⁄ 2 % (Mulder). Prop., . Soluble in 27 parts of boiling water; freely soluble in alcohol; scarcely so in ether; heat decomposes it. It is a frightful poison, to which no antidote is known. Even a minute quantity introduced into a wound rapidly brings on vomiting, convulsions, and death. “It renders the heart insensible to the stimulus of the blood.” (Sir B. Brodie.)