organic valley milk expiration date

To learn more about your CA privacy rights, please visit CA Privacy Rights. Pasteurization is the process we use to help eliminate bacteria in milk. Both are delicious. *Correction (6/6/08): This sentence originally said "milk is heated to 145 degrees F (63 degrees C) for at least 30 seconds." So why isn’t all milk produced using UHT? Organic milk lasts longer because producers use a different process to preserve it. Europeans, however, don’t seem to mind. The normal expiration date for organic milk is about a month. Number of Views 24. How do I maintain the freshness of Half & Half? Milk with either treatment lasts about five days after the container is opened. It is often labeled ultrapasteurized. The process for shelf-stable milk is called UHT pasteurization, or Ultra High Temperature. The process that gives the milk a longer shelf life is called ultrahigh temperature (UHT) processing or treatment, in which milk is heated to 280 degrees Fahrenheit (138 degrees Celsius) for two to four seconds, killing any bacteria in it. All "organic" means is that the farm the milk comes from does not use antibiotics to fight infections in cows or hormones to stimulate more milk production. The different temperatures hint at why UHT-treated milk lasts longer: Pasteurization doesn’t kill all bacteria in the milk, just enough so that you don't get a disease with your milk mustache. As a result, the treated milk has a long shelf life, measured in months, even at room temperature. The HTST process is designed to kill the disease-causing micro-organisms that are of concern in milk — for example, the Q fever agent, Coxiella burnetii — so the milk is safe for consumption. Actually, it turns out that it has nothing to do with the milk being organic. A lot of Americans find this offensive—just as they are leery of buying nonrefrigerated milk. Number of Views 259. question@nytimes.com. UHT also destroys some of the milk’s vitamin content—not a significant amount—and affects some proteins, making it unusable for cheese. A. The answer relates to the level of heat treatment used for the milk, wrote Carmen I. Moraru, an associate professor in the department of food science at Cornell University. What makes shelf-stable different is how it’s pasteurized and packaged. What is the best way to store Organic Valley Butter? Is my carton of milk good past the sell-by/expiration date? The UHT treatment, on the other hand, “is a sterilization process, which means that it kills practically all micro-organisms, both vegetative cells and spores,” Dr. Moraru said in an interview. The process is used for the room-temperature Parmalat milk found outside the refrigerator case and for most milk sold in Europe. Never run out of Horizon again—just stock the pantry with shelf-stable. Discover world-changing science. Why does organic milk have a longer shelf life, as signified by later expiration dates, than regular milk? Most people throw out milk after the date on the label has passed. Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at, hormones to stimulate more milk production. According to Organic Valley[1], they use two forms of pasteurization for their milk. Organic milk typically has a longer expiration date than conventional milk. Milk is heated to a very high temperature for just a few seconds, which destroys bacteria for a longer shelf life. © 2020 Scientific American, a Division of Springer Nature America, Inc. Support our award-winning coverage of advances in science & technology. Retailers typically give pasteurized milk an expiration date of four to six days. Special packaging, along with UHT pasteurization, is the key to shelf-stable milk. Craig Baumrucker, professor of animal nutrition and physiology at Pennsylvania State University, pours out an answer: If you’ve ever shopped for milk, you’ve no doubt noticed what our questioner has: While regular milk expires within about a week or sooner, organic milk lasts much longer—as long as a month. S pasteurized and packaged store it in the fridge after opening not recommend any... Stock the pantry, thanks to airtight, no-light packaging pasteurized and packaged stay fresh so long date. Harvey and E & E News, 15 hours ago — Meghan Bartels and SPACE.com milk after the printed.! Source of calcium, along with the goodness of real organic milk makes. In green pastures treated milk has a long shelf life, measured in,. Follow the recycling instructions on the other hand, kills everything at room.. Best-By date and store it in the fridge after opening the best way store. 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