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heat milk to make sterile, add milk proteins and stir well, add a starter culture of lactobacillus bacteria which ferments lactose (a sugar found in milk) in to lactic acid. This acid lowers the pH of the milk making it acidic. the milk proteins solidify (coagulate). you have now produced raw yogurt which you can add fruit and flavourings to.

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14y ago
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7y ago

if you just leave it out on the counter or in the sun. or you could put vinegar or lemon juice in it and let it stand.

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Q: How do you make yogurt from sour milk?
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Related questions

Is yogurt sour cows milk and pig wee?

Absolutely not. Yogurt is from cows milk (NOT sour) with bacterial culture and flavour added to it. No pig urine is added to it, none at all.


What products in milk cause the sour taste of yogurt and some chesse?

The probiotic bacteria that is added to the yogurt and cheese gives it that sour taste.


What are milk production?

3 types of cultured milk products:Cheese,Yogurt and Sour cream.


What Food Group does Sour Cream belong?

Milk, yogurt and cheese


How are curds use to make yogurt?

milk is boiled to kill of any unwanted microbes. bacteria are then added which release enzymes that make the milk go thick and slightly sour. flavouring can be added to yogurt to change the taste.


What type of organisms are in sour cream?

Well, to make sour cream, I dont know. But to make yogurt is Bacteria. "Yogurt production demonstrates fermentation by Streptococcus thermophilum and Lactobacillus bulgaricus. Heated milk is inoculated and maintained at a given temperature causing bacteria to grow and ferment lactose, the sugar in milk. The bacteria produce lactic acid which causes the milk to coagulate and adds a sour flavor." (from www.uwrf.edu/biotech/workshop)


What are some dairy products?

Eggs and milk are product.So are cheese, yogurt, butter, margarine and cream


Which acid is produced when milk go sour?

Tartic acid is present in sour milk. Generally the source of tartic acid is lemon, therefore sour milk gives taste of lime. Therefore it is clear that tartic acid is there. Sometimes when we want to make Paneer from milk, we put 1 or 2 miligram tartic acid to make milk separate from water.


How much milk and lemon juice will be needed to replace a cup of sour creme?

Milk and lemon juice become sour when combined and can be used to replace buttermilk or sour milk in recipes (one cup of milk with one tablespoon of lemon juice.) But they do not become thick enough to make a good replacement for sour cream. A better replacement for a cup of sour cream would be a cup of plain yogurt, preferrably Greek yogurt or strained yogurt. (Put a cup and a half of plain yogurt in a striner lined with a coffee filter, cheesecloth or nut milk sack, allow to drain 2-4 hours.) Other appropriate substitutions would be a cup of silken (not firm) tofu or a cup of the thick portion of canned coconut milk, each with a tablespoon of lemon juice.


Where these beneficial bacteria are found?

Lactobacillus :found in butter milk, yogurt, sour cream.


Does sour cream fall under the milk category?

Yes, its similar to yogurt Hope it helps


How do you make yogurt on alchemy?

Milk + Bacteria = Yogurt