Drinking expired milk
rosebette
Posts: 1,660 Member
So I had a gallon of whole milk in the refrigerator before we went on vacation. It's expiration date was the day we returned. It was unopened and I've been using it for the past week. It hasn't turned sour yet or started to separate, at which point I'll use it for baking. I'm starting to wonder if sell by dates are just to get consumers to throw stuff out and buy more. Anyway how dangerous is spoiled milk, since yogurt, cottage cheese, etc. are made from sour milk?
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A "sell by" date is designed to give people a window of opportunity to use it after they purchase it, an expiration date is the date on which a product commonly would not be good. Both, I believe, have a fair amount of caution built into them.2
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Of course it is to sell more. And to avoid lawsuits
Food spoils more quickly as soon as the package is opened and air is let in. It can often be kept far beyond expiration date if left unopened. Use your head, eyes, nose and tongue to determine if a food is safe
The bacteria that make food spoil, are not quite the same bacteria that are used in cultured, controlled fermentation. (In some cases, yes, but it's still under some kind of control and you need to know what you are doing.)1 -
The 'Sell by Date' is to force stores to police their displays and not keep stuff around forever (I have also heard that the sell by date is the window for optimum freshness/taste/etc, but I don't know if that is really true or not).
The expiration date has a built-in window of 7-10 days before the item should start turning into a science project.1 -
janejellyroll wrote: »A "sell by" date is designed to give people a window of opportunity to use it after they purchase it, an expiration date is the date on which a product commonly would not be good. Both, I believe, have a fair amount of caution built into them.
This^
I've eaten yogurt 10 days after the date on the package. Interestingly enough, this brand of yogurt doesn't say sell by or use by, nothing. You're just supposed to guess what the date means.
I think there are some dates that are designed to sell more product .......soda. Sugar (or artificial sweetener) and carbonated water.......I can't see that going "bad" a month after purchase.
Spoiled milk would likely make you sick. If it doesn't smell bad or change texture you should be okay. Otherwise just pitch it.
http://mentalfloss.com/article/58358/when-actual-expiration-date-your-milk0 -
I personally wouldn't but I have a lot of food neuroses.1
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You mean cheese?1
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kommodevaran wrote: »Of course it is to sell more. And to avoid lawsuits
Food spoils more quickly as soon as the package is opened and air is let in. It can often be kept far beyond expiration date if left unopened. Use your head, eyes, nose and tongue to determine if a food is safe
The bacteria that make food spoil, are not quite the same bacteria that are used in cultured, controlled fermentation. (In some cases, yes, but it's still under some kind of control and you need to know what you are doing.)
There's actually a lot of analysis that goes into determining those dates. My brother-in-law worked for a meat factory and he will not touch the stuff once it's reached expiry. There are calculations companies do to calculate dangerous bacteria growth.0 -
The 'Sell by Date' is to force stores to police their displays and not keep stuff around forever (I have also heard that the sell by date is the window for optimum freshness/taste/etc, but I don't know if that is really true or not).
The expiration date has a built-in window of 7-10 days before the item should start turning into a science project.
This^^^ I've worked in retail, trust me, some folks need a nudge to do their jobs and a customer holding up a pizza and saying "Hey this says it's expired. Do you have fresh ones?" is vital.
But yes, if milk smells bad or tastes off, toss it. Milk is often set off by light (that's why the ones in cartons and opaque bottles last longer.) It was sealed and sitting in the dark while you were on vacation so it didn't go when it would have under normal user conditions.0 -
There are several things to take into account, including the temperature it's been stored at, if it's been opened, how long it's been opened and used, if anyone drank straight out of the jug, milkfat percentage, etc. Best case scenario is a jug of milk that's a lower percentage of milk fat, carried home either on a short trip or in a cooler, only poured out (no bacterial backwash!), and was never opened on its expiration date. If it's whole milk, I won't touch it after the expiration date. 1% gets a week after expiration.0
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kommodevaran wrote: »The bacteria that make food spoil, are not quite the same bacteria that are used in cultured, controlled fermentation. (In some cases, yes, but it's still under some kind of control and you need to know what you are doing.)
I make cultured dairy items and yeah, you have to set up everything that ONLY the strains of bacteria you want are growing. If something else gets in there and outcompetes the useful bacteria...OMG it is disgusting. I have only had one bad batch of yogurt in the hundreds by now I have probably made and it stank up the whole kitchen like rotting vomit left in the sun in only 11 hours of incubation time. That happened because I got lazy about a step. Never again.1 -
"Backwash"? Does that mean some people drink from the bottle. Eww! Anyway today it started to turn sour so I used it up in pancakes instead of buttermilk.0
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janejellyroll wrote: »A "sell by" date is designed to give people a window of opportunity to use it after they purchase it, an expiration date is the date on which a product commonly would not be good. Both, I believe, have a fair amount of caution built into them.
This^
I've eaten yogurt 10 days after the date on the package. Interestingly enough, this brand of yogurt doesn't say sell by or use by, nothing. You're just supposed to guess what the date means.
I've eaten yogurt 6 months past the date on the package and lived to tell the tale. If it doesn't reek, it's fine in my book.0 -
The sell by date is only on the package because that's how long the store can guarantee the foods freshness and sometimes stores will even lie about it. So smell your milk or whatever it is and go based on your instincts. If it smells funny, don't drink/eat it.1
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