Purfresh has released the results of a comparative analysis confirming Purfresh Transport effectively safeguards stone fruit during shipment. In side-by-side comparison of nectarine shipments, Purfresh’s active atmosphere consistently outperformed traditional gas injection controlled-atmosphere (CA) systems, indicating significant advantages in preserving produce quality as evidenced by measurable differences in firmness, weight and sugar content.
In the Purfresh study, Kay Pearl nectarines were transported by ocean from California to Taiwan, a 14-day voyage. The post-trip evaluation of the fruit surface and reefer environment revealed that Purfresh Transport outperformed the CA treatment on net weight loss, fruit pressure, Brix content, and microbial counts. By maintaining freshness of produce during transit, Purfresh Transport extends fruit shelf life, minimizes waste and repack, and reduces waste-related claims processing.
Purfresh Transport, based on patented active atmosphere technology, delivers continuous low-concentration doses of ozone into refrigerated containers to provide a combination of ripening control, decay prevention, and enhanced food safety. To manage the container’s atmosphere throughout the voyage, Purfresh Transport actively monitors and adjusts to changes in the organic load of cargo, from causes such as microbial load, VOCs, and ethylene levels, as well as changes in the environmental conditions such as temperature and relative humidity.
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