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Questions and Answers
What is the process of changing milk into yogurt called?
What is the process of changing milk into yogurt called?
- Fermentation (correct)
- Distillation
- Evaporation
- Pasteurization
Which of the following processes converts milk into yogurt?
Which of the following processes converts milk into yogurt?
- Crystallization
- Sterilization
- Emulsification
- Curdling (correct)
How does milk transform into yogurt?
How does milk transform into yogurt?
- Bacterial fermentation (correct)
- Chemical oxidation
- Electrolytic reduction
- Ultraviolet irradiation
What is the transformation of milk into yogurt called?
What is the transformation of milk into yogurt called?
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Which process converts milk into yogurt?
Which process converts milk into yogurt?
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What causes milk to change into yogurt?
What causes milk to change into yogurt?
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Study Notes
Yogurt Production Process
- The transformation of milk into yogurt is known as fermentation.
- Specific bacteria, primarily Lactobacillus bulgaricus and Streptococcus thermophilus, are essential for this conversion.
- These bacteria metabolize lactose (the sugar in milk), producing lactic acid.
- The increase in lactic acid causes milk proteins to coagulate, resulting in a thicker texture characteristic of yogurt.
- The fermentation process typically occurs at warm temperatures, around 110°F (43°C), for several hours.
- Yogurt production can be done at home or on an industrial scale, both requiring controlled conditions for optimal bacterial activity.
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