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Freshness extension for fresh produce

Laser film perforation technology helps control oxygen transmission rates in bean sprout bags, protecting product color and odor.

IMPROVED FRESHNESS & SALES. Bean sprouts packaged in the oxygen barrier film bags have yielded prolonged product freshness and increased sales.
IMPROVED FRESHNESS & SALES. Bean sprouts packaged in the oxygen barrier film bags have yielded prolonged product freshness and increased sales.

Based in Kangwon Province, South Korea, ADD FARM, Ltd., supplies and packages bean sprout products for CJ Foods, one of the largest food companies in South Korea.

The bean sprouts are packaged in 200g (7-oz), 220g (7.8-oz), 230g (8-oz), 240g (8.5-oz), 280g (10-oz), and 380g (13-oz) bag sizes. The bags are filled and sealed on vertical form/fill/seal equipment (equipment manufacturer not identified). These products are sold at super discount stores and retail stores throughout South Korea.

Until March 2011, ADD FARM had been using a mechanically scratched film imported from Japan as the modified atmosphere packaging film for the bean sprouts. But, due to randomly scratched surfaces, the film could not provide a consistently constant transmission rate. The transmission rate of the film being used had a margin of error of 150% and was not adjustable for package sizes and seasonal conditions. And sometimes scars on the scratched surfaces of the film broke during the on-line packaging process. So this film could not reliably maintain product freshness. In fact, many consumers complained about the disagreeable odor and color of the packaged sprouts.

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