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The milk used to make yogurt does not have to be bacteria free, but it helps. The reason is that yogurt is made by adding good bacteria "Dairy yoghurt is produced using a culture of Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus salivarius subsp. thermophilusbacteria" which means those cultures will be in competition with any other bacteria, good or bad, which may be present in the milk.
For home yogurt making, it is recommended you heat milk to 190F before cooling it down and adding the culture - that kills any other bacteria present and changes the proteins in the milk to increase the firmness of the resulting yogurt.
What else can I help you with?
How do you make yogurt on alchemy?
Milk + Bacteria = Yogurt
How do you make yogurt in alchemy droid?
bacteria+milk
Does yogurt have cow bone in it?
No. Yogurt comes from the milk from a cow, not from the bones of a cow. Bacteria and flavour is added to it to make it yogurt.
Why should there be bacteria in yogurt?
we use bacteria (called starter) to make yoghurt from boiled milk.
Does algae turn milk into yogurt?
No. Bacteria help turn milk into yogurt; usually a bacteria named acidophilus.
What are to foods that bacteria helps make?
cheese,milk,yogurt,sausages etc.
Why will the yogurt not occur when you add a antibiotics?
The antibiotics prevent the growth of the bacteria that is needed to make the milk become yogurt.
Which organisms help make yogurt?
Yogurt is typically made by adding live cultures of Lactobacillus bulgaricus and Streptococcus thermophilus bacteria to milk. These bacteria ferment the sugars in the milk, producing lactic acid which gives yogurt its tangy flavor and thick texture.
What turns milk into yogurt?
BACTERIA
What is 1 food that bacteria are used to make?
Well, the bacteria change lactose into lastic acid, and the Lactic Acid preserves and adds flavor to the food. That's the answer I hope this work Anne
What microscopic bacteria turns milk into yogurt?
Lactobacillus bulgaricus and Streptococcus thermophilus are the most common bacteria used to ferment milk into yogurt. These bacteria consume the lactose in milk and produce lactic acid, which causes the milk to thicken and develop the characteristic tangy flavor of yogurt.
When bacteria convert milk to yogurt is it a physical or chemical change?
The conversion of milk to yogurt is a chemical change. The bacteria in yogurt culture ferment the lactose in the milk into lactic acid, which changes the chemical composition and properties of the milk, resulting in the formation of yogurt.
