Good Breeding Increases Shelf Life Of Lettuce And Related Produce

The lettuce cut and packaged for food service and salad mixes is an increasingly important component of the produce industry. Lettuce is highly perishable, and the cutting required in processing further shortens its shelf life. Packaging cut lettuce and other fresh produce in semipermeable plastic films extends shelf life via a technique called "modified-atmosphere packaging". Romaine and "crisphead" (such as iceberg) are the most widely produced for salad-cut products.

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