Keeping a product (usually food or drug) refrigerated or frozen all the way from its creation through its distribution to its point of sale.
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"When these one-pound bags of frozen vegetables got to the store, they were no longer frozen. Someone broke the cold chain somewhere along the way."
"When these one-pound bags of frozen vegetables got to the store, they were no longer frozen. Someone broke the cold chain somewhere along the way."
by al-in-chgo June 21, 2010