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When making yogurt, one needs to bring milk to 85 degrees to kill any undesirable bacteria and to denature the milk proteins. Cooling for 48 degrees will allow fermentation.

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Q: Why do you need to bring milk to 85 degrees and then cool to 48 degrees when making yogurt?
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In making yogurt why do you need to cool the milk to 50 degrees Celsius?

You have to cool the milk to 50 degrees celsius or less before adding the starter culture because otherwise all the microorganism you will use for fermentation will die and the fermentation won't take place. Most of the bacteria (Lactobacillus, usually) need 37 degrees celsius for growing and fermentation. Temperatures higher than their optimum temperature will decrease their grown and the fermentation process will be slow or can kill these bacteria.


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Related questions

What are the conditions necessary for making yogurt?

The conditions of making yoghurt are cool and dry.There are also other conditions which are not important.


In making yogurt why do you need to cool the milk to 50 degrees Celsius?

You have to cool the milk to 50 degrees celsius or less before adding the starter culture because otherwise all the microorganism you will use for fermentation will die and the fermentation won't take place. Most of the bacteria (Lactobacillus, usually) need 37 degrees celsius for growing and fermentation. Temperatures higher than their optimum temperature will decrease their grown and the fermentation process will be slow or can kill these bacteria.


Who is dusk?

Dusk is a cool person who likes animal crackers dipped in yogurt haha Dusk is a cool person who likes animal crackers dipped in yogurt haha


Who created yogurt?

Gurtrude people always said Yo gurt cause and Gurtrude thought it would be cool if it was yogurt


Where can you buy miss cool setting lotion in Tennessee?

You can buy Miss Cool Setting Lotion in any of the beauty shops in Tennessee.


Where can I find some great yogurt smoothie recipes online?

Smoothies are a pretty great way to cool down, I must agree. You can find just about any kind of yogurt smoothie here: http://www.smoothieweb.com/category/yogurt-smoothies/


Why is yogurt kept in a refrigerator?

Yogurt is kept in a fridge because it needs to to stay cool & fresh for when you eat it. You can put it in a freezer as well if you have yogurt tubes and you want to make it into an ice lollypop1


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What can be used as a replacement for Cool Whip?

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