Extrudates packed in LDPE showed an increase in L* value from
51.84±0.25 to 58.42±0.12, a decrease in a* value from 8.21±0.13 to
7.07±0.07, a decrease in b* value from0.57±0.01 to 0.50±0.06, and a
decrease in colour retention from45.58±0.23% to 38.24±0.17% during
this period.