Not all visually opaque milk packaging effectively
protects milk nutrients and flavor over an ESL period.
Packaging can be modified to protect milk sensory quality
and control photo-oxidation of Rb by manipulating
photo-responsive molecules in the packaging. Levels of
TiO2 greater than 1.3% incorporated with HDPE resin
during package production may effectively protect milk
quality during an extended period of retail lighting exposure.
A TBARS of 1.3 mg/L or higher is indicated as
a marker of milk sensory quality changes due to light
exposure. The dairy industry can use this information
to assist with packaging selection to improve fluid milk
quality for ESL fluid milk.