1828, DissertatioMedica Inauguralis, de Cinchonino, Chinino Eorumque Salibus, Inprimis Sulphate Chinini, Pharmaceutica ac Therapeutica Ratione Consideratis, page 3:
Ad hanc ultimam Alcaloideorum classem, amarorumscilicetnon venenatorum, pertinent, praeter principum Angusturinum ex Cortice Angusturae, Gentianinum ex Radice Gentianae luteae, Coffeinumex fabis Coffeae etc., Cinchoninum et Chininum,[…]