What is lyophilization (freeze drying) technology?

There are so many cat and dog snacks on the market, with different production techniques and different nutrition preservation. How should an owner choose the right snacks for pets to eat?

When it comes to the most nutritious, healthiest snacks, freeze-dried snacks must be mentioned, but what exactly is "freeze-dried" (freeze-dried)?

The so-called freeze-drying technology was originally a drying technology for space food. It is intended to dry the ingredients so as to preserve the nutrition and at the same time drain the water for easy storage.

Taking the freeze-dried snacks of PureBites, the largest brand in the United States, as an example, the following is the freeze-dried production process

1️⃣ First freeze the ingredients at -40°C, and at the same time, sterilize them with HPP autoclave

2️⃣ Freeze the water in the ingredients to the freezing point

3️⃣ Use vacuum to sublimate the frozen water in the ingredients into water vapor

4️⃣ After 24 hours of drying, the human edible grade freeze-dried snacks that preserve the original nutrition are complete.

In the future, as an owner, you must learn more about pet snacks, so as to ensure that you can choose healthy and nutritious snacks suitable for pets in addition to meals!

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