More recently 1-methylcyclopropene vapor has been found to inhibit the hormonal effect of ethylene on the senescence of produce. Inserts that release 1-MCP into packages have become available commercially and have some regulatory approval for produce application in the USA.
Active packaging for fresh ment
Packaged unprocessed meats are supplied in several forms including fresh retail cuts MAP cuts and chilled vacuum-packed primal.
These packages often exhibit ambient increased and decreased levels of oxygen respectively.
Uum packaged cuts feature raised carbon dioxide levels.The major chemical route to quality loss involves the formation of brown metmyoglobin at oxygen levels of between around 0.1 and 2.0 .