What is "quinic"

Quinic \Quin"ic\, a. [See Quinine, and cf. Kinic.] (Chem.) Pertaining to, derived from, or connected with, quinine and related compounds; specifically, designating a nonnitrogenous acid obtained from cinchona bark, coffee, beans, etc., as a white crystalline substance. [Written also chinic, kinic.]

a. Of, pertaining to, or derived from quinine