How long can milk sit out of the fridge before it goes bad. No one wants to drink a bad or poisonous milk. At room temperature, or when in a sippy cup or bottle, milk can stay for up to 2 hours before it gets bad. To keep your milk fresh store in the refrigerator all the time when not in use. It is also bad for a baby or toddler to drink spoiled milk.
How long your milk can last unrefrigerated also depends on the temperature of the room and what season of the year you are in. A milk left out of the fridge in a hot country in summer time would spoil faster than a milk left out in a cooler country or at a cooler temperature.
In America for example, if the milk is pasteurised traditionally, it must be kept in the fridge at a temp of 40 degree Fahrenheit and below.
Not all milk are kept in the fridge, especially in Europe and USA and these milk have a longer shelf life. These types of milk are Ultra High Temperature Pasteurised (UHT).
Ultra High-Temperature Pasteurisation means that the milk was heated to kill both the good and bad bacteria at a really high temp of about 280 degree Fahrenheit to give it a longer shelf life. Milk that doesn't need to be refrigerated are UHT milk and they are sold in most supermarkets in the USA and Europe.
How Long Can Milk Sit Out in a Sippy Cup
It depends on what type of milk is left in a cup and the room temperature.
If you accidentally left cow's milk out overnight in a sippy cup or a jug, I'll advise you throw it away. Formula milk can last longer in a closed cup or in a feeding bottle for up to 4 hours.
According to Babycenter.com, freshly expressed breast milk can last for 6-8 hours in a bottle at room temperature because it contains antibodies.
Reheated breast milk should be taken within an hour of warming it!.
If the milk looks bad, taste sour or has a bad smell then it is bad. Do not drink or feed to your baby or toddler. It can make them sick!.
How Long Can It Stay in the Fridge
When you purchase a bottle of whole milk or a carton, it comes with a label of the expiration date (this is when the milk is expected to spoil or go bad). Milk can last in the fridge once opened for about 7 days. If unopened, follow instructions according to the shelf life date specified the manufacturer.
Unopened milk that is traditionally pasteurised has a shelf life of 2-3 weeks and must be stored in the refrigerator.
Remember once opened, the milk will expire faster or quicker than an unopened milk. Ideally you should consume your milk within 1 week of opening and store it at a temperature of 40 degrees Fahrenheit or below to prevent bacteria or mould from growing or developing in it.
How Long Can It stay in the Car
So you went to do your groceries but you left them in the car, including your bottle of fresh unopened milk. According to the US Drug and Food Administration Agency, perishable foods should not be left unfrigerated for more than 2 hours.
Especially if the weather outside is hot, you are advise not to drink it. If the weather is cool or cold and it is less than 3 hours unfrigerated you can drink it.