The process of reducing the milk fat globules size of allow them to stay evenly distributed in milk is called ______ A. Standardization B. Pasteurization C. Homogenization D. Fortification
C
The question asks about the specific process used in milk treatment that reduces the size of milk fat globules. This size reduction is done to ensure that the fat remains evenly spread throughout the milk, preventing it from separating and rising to the top as a cream layer.
Understanding Milk Processing Techniques
Milk undergoes various processing steps before it reaches consumers. These steps improve safety, quality, and shelf life. The options provided represent different common milk processing methods.
What is Homogenization?
Homogenization is a mechanical process where milk is forced through a very narrow opening under high pressure. This action breaks down the large fat globules into much smaller ones, typically less than 1 micrometer in diameter. These smaller globules are then more uniformly dispersed throughout the milk and are less likely to clump together and separate.
The main purpose of homogenization is to prevent the separation of cream from the milk, ensuring a consistent texture and appearance. The question specifically describes reducing the size of milk fat globules to keep them evenly distributed, which perfectly matches the definition and purpose of homogenization.
Comparing Milk Processing Methods
Let's look at the other options to understand why they do not fit the description provided in the question:
| Process | Primary Purpose | Effect on Fat Globules |
|---|---|---|
| Standardization | Adjusting the fat content of milk to a specific, consistent level. | Does not reduce the size of fat globules; it changes the *amount* of fat relative to other components. |
| Pasteurization | Heating milk to a specific temperature for a set time to kill harmful bacteria and extend shelf life. | Does not significantly alter the size or distribution of fat globules. It is a heat treatment for microbial safety. |
| Homogenization | Reducing the size of fat globules for even distribution and preventing creaming. | Significantly reduces the size of fat globules, leading to stable dispersion. This matches the question's description. |
| Fortification | Adding specific nutrients (like vitamins A and D) to milk. | Increases the nutritional value but has no effect on the physical characteristics of fat globules or their distribution. |
Based on the comparison, only Homogenization is the process that involves reducing the size of milk fat globules to allow them to stay evenly distributed in milk. The other processes serve different purposes related to fat content adjustment, microbial safety, or nutritional enhancement.
Conclusion
The process that reduces the milk fat globules size to allow them to stay evenly distributed in milk is called Homogenization. This prevents cream separation and gives milk a consistent texture.
Revision Table: Milk Processing Key Terms
| Term | Definition |
|---|---|
| Homogenization | Mechanical process to reduce fat globule size for even distribution. |
| Pasteurization | Heat treatment to kill pathogens and extend shelf life. |
| Standardization | Adjusting fat content to meet a legal or desired standard. |
| Fortification | Adding nutrients (e.g., vitamins) to improve nutritional value. |
Additional Information on Homogenization and Milk
Before homogenization, milk fat globules can vary in size, some being large enough to quickly rise to the top due to lower density (this is creaming). Homogenization ensures these globules are small enough to remain suspended. Homogenized milk is often pasteurized afterwards. The combination of these processes significantly contributes to the safety, convenience, and stability of modern milk products.
While homogenization prevents creaming, it can also slightly change the texture and flavor of milk, making it feel creamier in the mouth. It also makes the fat more accessible to certain enzymes. However, its primary benefit in the context of the question is preventing physical separation of the fat.
Important Questions from Food Processing
Raman was gifted four kg Amla by his neighbour. He plans to prepare murabba. Which technique does he need to adopt?
_______ is used as a stabilizer in ice cream.
A. Gelatin
B. Sugar
C. Milk
D. Strawberry
Which of the following is not an utensil ?
______ is a mandatory mark found on all processed fruit products sold in India – such as packaged fruit beverages, fruit-jams, crushes and squashes, pickles, dehydrated fruit products, and fruit extracts – as per the Food Safety and Standards Act of 2006.
Which of the following are food preservatives?
