Anything extracted; an extract. "Extractives, of which the most constant are urea, kreatin, and grape sugar."
2.
(Chem.)
(a)
A chemical principle once supposed to exist in all extracts. (Obs.)
(b)
Any one of a large class of substances obtained by extraction, and consisting largely of nitrogenous hydrocarbons, such as xanthin, hypoxanthin, and creatin extractives from muscle tissue.
