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What is the Temperature and Time for Tunnel Pasteurization?

Views: 274 Update date: Apr 26,2023
If you're in the food or beverage industry, chances are you've heard of tunnel pasteurization. This process is used to extend the shelf life of perishable products by heating them to a specific temperature for a certain period of time. But what exactly is the temperature and time required for tunnel pasteurization? 

Tunnel pasteurization is a method of heat treatment that is commonly used in the food and beverage industry. The process involves heating the product to a specific temperature and holding it at that temperature for a set period of time. This effectively kills any bacteria or microorganisms that may be present, extending the shelf life of the product.

Tunnel pasteurization is often used for products that are packaged in glass bottles or cans, such as beer, juice, and milk. The process is preferred over other pasteurization methods, such as batch pasteurization, because it is faster and more efficient.
Automatic steam heating pasteurization tunnel for flexible packaging
Temperature and Time Requirements for Tunnel Pasteurization

The temperature and time required for tunnel pasteurization can vary depending on the product being pasteurized. Generally speaking, the temperature range is between 145°F and 165°F (63°C and 74°C), and the time range is between 15 and 30 seconds.

For example, the temperature and time requirements for tunnel pasteurization of beer are typically between 145°F and 150°F (63°C and 65.6°C) for 30 seconds. For juice, the temperature and time requirements are typically between 160°F and 165°F (71°C and 74°C) for 15 seconds.

It's important to note that the temperature and time requirements for tunnel pasteurization must be carefully controlled to ensure that the product is effectively pasteurized without being overcooked or compromised in any way.
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