Lont Pet Food
Mar 09,2026
Application and Characteristics of Freeze-Drying Technology in Pet Canned Food
In the pet canned food sector, the introduction of freeze-drying technology has expanded the product range beyond traditional formats.
In the pet canned food sector, the introduction of freeze-drying technology has expanded the product range beyond traditional formats. By incorporating freeze-dried ingredients or applying freeze-drying to specific components during production, these products exhibit distinct characteristics compared to conventional high-temperature sterilized canned foods.
I. Process Pathways: Integration Methods of Freeze-Drying and Canning
Freeze-drying technology is primarily applied in canned products through two distinct methods, each corresponding to different product positioning:
Freeze-Dried Ingredient Addition Type: Freeze-dried meat, organ meats, or fruit/vegetable chunks are canned together with broth or minced meat. Upon contact with the liquid, the freeze-dried ingredients partially rehydrate, retaining some texture and form.
Whole-Can Freeze-Dried Type: Prepared ingredients undergo vacuum freeze-drying within the can, yielding a dry freeze-dried block. Rehydration with water during consumption restores a moist texture resembling traditional canned goods.
II. Product Characteristics: Distinct Features from Traditional Canned Goods
Benefiting from freeze-drying's low-temperature processing, these canned products exhibit several differences from conventional high-temperature sterilized canned goods:
Texture Layers: In canned goods containing freeze-dried ingredients, the freeze-dried chunks retain structural integrity after rehydration, creating a textural contrast with smooth meat purees or soups.
Flavor Retention: Low-temperature processing preserves volatile flavor compounds more effectively, resulting in a more pronounced aroma upon opening.
Nutrient Retention: Heat-sensitive nutrients suffer minimal degradation during freeze-drying, leading to higher retention rates in the final product.
III. Usage Experience: Convenience in Feeding
From a daily feeding perspective, freeze-dried canned food offers notable advantages:
Controllable rehydration: For whole-can freeze-dried products, owners can adjust water volume based on pet preferences to control final texture and broth quantity
Flexible storage: Unfinished portions of opened whole-can freeze-dried products can be stored at room temperature in sealed containers without refrigeration, facilitating portioned feeding
Versatile Mixing: Freeze-dried chunks from ingredient-enriched canned foods can be removed separately as treats or training rewards, expanding usage scenarios.
Freeze-drying technology introduces novel elements to traditional canned food categories, allowing pets to experience more authentic flavors and textures derived directly from the ingredients in their daily diet.
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