urface of the uncooked and cooked spaghetti (OCT and equilibrated
for 5 min at room temperature before analysis) using a tristimulus
colour analyser (Minolta Chroma Meter CR210, Minolta
Camera Co., Japan). The illuminant C (CIE, standard, 6774 K) was
used. Results were expressed as L* (brightness), a* (redness) and b*
(yellowness). The instrumentwas calibrated using a standard white
tile (L* ¼ 98.03, a* ¼ 0.23, b* ¼ 0.25).