What is yogurt?
Q: What is yogurt?
A: Yogurt is a milk product made by bacterial fermentation of milk.
Q: What happens to the lactose in milk during fermentation?
A: The lactose in the milk becomes lactic acid when it is fermented.
Q: How does lactic acid affect the milk protein during yogurt production?
A: Lactic acid acts on the protein in the milk to make yogurt thick and sour.
Q: What temperature is the milk heated to during yogurt production?
A: The milk is heated to about 80°C to kill any bacteria present, and to change the milk proteins so that they set together, instead of becoming curd.
Q: How long is the milk kept at a specific temperature during fermentation?
A: The milk is kept at a temperature of about 45°C for 4 to 7 hours to ferment.
Q: Can yogurt be made from plant milk?
A: Yes, Yogurt can also be made from plant milk such as almond milk, soy milk, and coconut milk.
Q: What nutrients are found in yogurt?
A: Yogurt is rich in protein, calcium, riboflavin, vitamin B6, and vitamin B12.
