cinchonine

/sing-kuh-neen, -nin, sin-/US // ˈsɪŋ kəˌnin, -nɪn, ˈsɪn- //UK // (ˈsɪŋkəˌniːn) //

辛可宁,辛克宁,丁香园,金鸡纳霜

Definitions

n.名词 noun

1
Pharmacology.
- : a colorless, crystalline, slightly water-soluble alkaloid, C19H22N2O, a stereoisomer of cinchonidine, obtained from the bark of various species of cinchona and used chiefly as a quinine substitute.

The operation is then repeated, the ether being replaced by chloroform in which both quinine and cinchonine are soluble.
Red bark contains not only quinine and cinchonine, but also cinchonidine.
Cinchonine may be prepared from its sulphate or disulphate in the same way as quinine.
It is stated that incomplete examinations have detected cinchonine in the bark.
When cinchonine is distilled with solid potassium hydrate, it yields pyrrol and bases of both the pyridine and quinoline series.