The highest mean L⁄ value was found in the control group, and it was similar to that noted in MIX samples, while no significant (P < 0.05) differences were observed between the additives.
The highest mean L⁄ valuewas found in the control group, and it was similar to that notedin MIX samples, while no significant (P < 0.05) differences wereobserved between the additives.