These results are in
agreement with CIE-Lab color parameters and inverse relationships
between L*, b* or C* and color from extruded products were obtained
(r2 ¼ 0.9625, r2 ¼ 0.9622 and r2 ¼ 0.9904, respectively).
MPc3 color exceeded the limit value given by the panel (6) and
could be considered as not adequate.