An investigation on the dextrose nucleation carried out in the presence of seeds is reported. Induction time and nucleation point were measured in seeded solutions by eye and by using a nephelometer. The nucleation point was interpreted as the instant when crystallites, generated by seeds, grow up to crystals of detectable size. By applying the approach proposed by Kashchiev [1], the induction time values obtained were satisfactorily predicted when a birth and spread growth rate model was assumed. Moreover, by extending the same approach to the prediction of the nucleation point, obtained by linear cooling, a nucleation curve in good agreement with the experimental points was determined.