Discussion from the chowhound general discussion yogurt food community.
Yogurt room temperature okay.
First of all the yogurt is packaged air tight no additional bacteria can enter and the only bacteria inside should be the yogurt culture that makes the yogurt yogurt.
For average room temperature above 40 degrees fahrenheit yogurt is best discarded if kept out for more than two hours.
I have also been making yogurt for years and have had good luck with commercial yogurt as the starter.
Keeping cultures warm in winter 1.
Second most bacteria needs good conditions to reproduce most need.
How long yogurt can be unrefrigerated depends on the room temperature.
The yogurt needs to be discarded after just one hour.
It will only be a problem if it is already opened it sat a few days and the room temperature is rather high.
For me i just set my house s thermostat to get 70f where i make my yogurt and let it do it s thing.
My favorite so far is the trader joe s greek whole milk yogurt as starter and fresh local organic raw milk that is only heated to 110 f.
When room temperature dips below 70ยบ f try setting your yogurt jars in a closed oven to culture.
Maintaining temperatures when culturing thermophilic yogurt.
If it says on the package that it contains live cultures it should be fine.
This guideline also applies when it s taken out of the fridge for a snack.
Department of health human services yogurt can sit at room temperature for 2 hours.
However if the temperature exceeds 90 f yogurt can sit outside the refrigerator for no longer than one hour.
Any longer than that and you should throw it out.
According to the u s department of heath human services yogurt should be discarded after two hours of sitting out at room temperature between 41 f and 90 f.
While milk for instance will spoil after a few hours at room temperature some cheeses are safe to eat after the same amount of time.
Now if the temperature is above 90 degrees fahrenheit you can just blindly reduce the time by half i e.
Eat your yogurt quickly or at least before the two hour crucial minimum.
Read the safe to eat yogurt left out at room temperature.
According to the u s.