Fig. 3. Color profile of yogurt supplemented with 1–3% lentil flour and 1–3% skim milk
and control sample after production and after 14 and 28 days storage; (SM: skim milk,
LF: lentil flour; a (a value)+ve red, −ve green; b (b value)+ve yellow, −ve blue;
c (L value): −0 to 100, black to white).