Certain compounds are effective oxygen scavengers. (RDC 7/21/2009) 

Compounding
Scavengers

Recent Journal Articles

Modification of linear low-density polyethylene film using oxygen scavengers for its application in storage of bun and bread
(55–63)
Journal of Applied Polymer  Science 122 #1 (2011)
Matche, Sreekumar and Raj of Central Food Technological Research Institute, India, modified linear low-density polyethylene (LLDPE) film by blending with zinc, iron, or ascorbic acid as oxygen scavenger.  The sensory analysis showed good taste and texture of bun and bread till the fifth day. The control sample was not acceptable even on second day.  (RDC 7/13/2011)