The sachet also poses a real risk to consumers as large amounts of iron could be accidentally ingested and there is the danger that it could leak, causing contamination or undesirable changes in the odour and flavour of the packaged product. It is clear that active packaging solutions that do not depend on sachets would be an improvement. There have been attempts to disperse ferrous iron compounds directly into polymer matrices; however, this causes their effectiveness to diminish as the active compound is poorly dispersed or quickly deactivated. The development of new active oxygen scavenging packaging materials with higher levels of efficacy would be of benefit to the food industry. Some oxygen scavenging films have been developed by adding