separate groups of rats were chronically fed diets adulterated with either bitter tasting quinine sulfate ( qso4 ) , equal amounts of quinine in the less bitter form of quinine tannate ( qt ) , or an amount of sucrose octaacetate ( soa ) determined to have aversive taste properties equal to the qso4 diet .
C0034422
quinine sulfate
C0034417
quinine