What is pasteurized fresh milk? What are its pros and cons compared to UHT fresh milk?

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1. What does 'pasteurization' mean?

2. What is UHT fresh milk?

3. Pros and Cons of Pasteurized Fresh Milk

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If you're wondering why pasteurized milk comes with a higher price tag, these details might help.

As a nutrient-packed food, fresh milk with a high consumption rate today. Fresh milk is divided into two types: pasteurized fresh milk and UHT fresh milk, with the former being evaluated as better.

There are quite a few brands producing UHT fresh milk nowadays.

So what exactly is UHT fresh milk? What are its health benefits for consumers and how should it be stored? Let's find out with Webosanh and get some answers.

1. What does 'pasteurization' mean?

Before delving into what UHT fresh milk is, let's grasp the concept of UHT processing.

According to Wikipedia, 'Ultra-High Temperature' (UHT) processing involves heating food to 60-90°C to eradicate harmful microorganisms such as bacteria, viruses, yeast, and molds.

UHT processing employs various methods, utilizing heat or mechanical means to eliminate harmful microorganisms, extending shelf life without affecting taste, aroma, color, clarity, or minimal loss of nutritional components and vitamins within the solution.

2. What is UHT fresh milk?

UHT fresh milk is raw milk processed at a lower temperature (75°C) for about 30 seconds, then rapidly chilled to 4°C.

In addition to heat treatment, some UHT fresh milk brands like Vinamilk or TH True Milk often employ additional methods to ensure maximum retention of nutrients, with a shelf life ranging from 10 to 20 days.

Pasteurizing fresh milk helps preserve more nutrients while ensuring no harmful microorganisms for consumers.

3. Pros and Cons of Pasteurized Fresh Milk

Due to not raising the temperature too high compared to pasteurization (temperature up to 130-140°C), vitamins, minerals, etc., in milk are better preserved. In other words, pasteurized milk will have more nutrients than sterilized milk.

However, while pasteurized milk can be stored at room temperature for up to 6 months, pasteurized fresh milk can only be refrigerated at 2-5°C for a maximum of 10-20 days depending on the brand.

Moreover, compared to pasteurized fresh milk, the price of pasteurized fresh milk is also higher (due to the costs of storage, transportation, and more complex production).

Các câu hỏi thường gặp

What is the main difference between pasteurized milk and UHT fresh milk?

The primary difference between pasteurized milk and UHT fresh milk lies in the processing temperatures. Pasteurized milk is heated to a temperature of 60-90°C to eliminate harmful microorganisms, whereas UHT fresh milk is processed at 75°C for about 30 seconds. This means that pasteurized milk generally retains more nutrients and has a shorter shelf life.

How does the pasteurization process impact the nutritional value of milk?

Pasteurization significantly impacts the nutritional value of milk by helping to preserve vitamins and minerals that may be lost during higher temperature processes. This ensures that consumers receive a nutrient-rich product while eliminating harmful microorganisms, making pasteurized milk a healthier choice.

Is UHT fresh milk considered safe and nutritious for regular consumption?

Yes, UHT fresh milk is considered safe and nutritious for regular consumption. The UHT process effectively eliminates harmful microorganisms, and many brands implement additional methods to retain nutrients, making it a healthy option for consumers.

What are the storage requirements for pasteurized fresh milk compared to UHT milk?

Pasteurized fresh milk should be stored in a refrigerator at temperatures between 2-5°C and has a shelf life of 10-20 days, depending on the brand. In contrast, UHT milk can be stored at room temperature for extended periods, up to 6 months, due to its processing method.

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