Summary
By Martha Stewart
Question: Why does organic milk often have an extended expiration date?See the full content of this document
Extract
Heat Makes Organic Milk Keep Longer
Answer: All Grade A milk sold in stores is pasteurized, or heated to kill most of the microorganisms that can make it spoil quickly.
But many organic milk companies employ a process known as ultrapasteurizat...See the full content of this document
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