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Baby-formula brand embraces LN2-dosed canisters

HappyBellies' 7-oz canisters are injected with liquid nitrogen to extend shelf life.

Pw 5634 Happy Bellies

Organic baby foods manufacturer HappyFamily, Brooklyn, NY, is marketing its new HappyBellies™ brand dry mix infant formula in 7-oz composite, preformed, prelabeled canisters supplied by a leading, undisclosed manufacturer. The gas-barrier canisters are filled and bottom-seamed by a contract packer. After filling and before seaming, the canisters are injected with liquid nitrogen (LN2) to extend shelf life, using SoftDose technology from Cryotech International, Inc. (www.cryotechinternational.com).

LN2 injection provides important advantages over gaseous nitrogen injection for this application. For one thing, no floor-space-consuming gas tunnels are required. Also, LN2 can be dispensed in small, precise doses, reducing nitrogen supply requirements. One part of LN2, when warmed, will turn into 700 parts of gaseous nitrogen. But more traditional LN2 dosing systems have not been particularly successful in powder applications in the past. Large gas pockets can erupt, spewing the powder out of the container.

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