The feature of an 8-tray freeze dryer is its multiple trays. With 8 trays, this freeze dryer provides ample space for freeze-drying a larger quantity of food or multiple batches simultaneously. The multiple trays allow for efficient and organized drying, making it easier to process different types of food items at once. This feature is especially beneficial for users who wish to freeze dry a variety of ingredients or larger quantities of food in a single operation.
How much does a decent freeze dryer cost?
The price of a decent freeze dryer varies depending on several factors, including the brand, model, size, features, and where you purchase it. In general, the price range for home-use freeze dryers is quite broad, ranging from a few hundred to several thousand dollars.
Less expensive home freeze dryers may have basic functionalities and are suitable for light usage and small-scale freeze-drying needs. However, if you require a larger capacity, more advanced features, or a freeze dryer for commercial purposes, the price will be correspondingly higher.
What food Cannot be freeze-dried
While freeze-drying is a versatile method for preserving various types of food, there are some foods that are not well-suited for the process. These include:
High-fat content foods: Foods with high-fat content, such as whole avocados or fatty cuts of meat, are not ideal for freeze-drying. The freeze-drying process does not effectively remove all the fat, leading to potential rancidity and spoilage.
High-sugar content foods: Foods with high sugar content, like jams, jellies, and syrups, do not freeze-dry well. The sugar can crystallize during the process, resulting in a gritty texture.
Very dense foods: Foods with a dense structure, such as whole citrus fruits or thick cuts of meat, may not freeze-dry evenly due to the longer drying time required to remove moisture from the center of the food.
Watery vegetables: Vegetables with high water content, like lettuce, cucumbers, and watermelon, do not freeze-dry successfully. The structure of these vegetables may collapse during the process, resulting in an undesirable texture.
Eggs: Whole eggs or foods containing raw eggs cannot be freeze-dried due to the risk of bacteria growth and safety concerns.
Carbonated beverages: Carbonated beverages should not be freeze-dried as the pressure changes during the process can cause the containers to rupture.
How long does freeze dried meat last
Freeze-dried meat can last a long time when stored properly. With proper storage in airtight containers, away from moisture, heat, and light, freeze-dried meat can remain safe to consume for 15 to 25 years or even longer. The removal of moisture during the freeze-drying process inhibits the growth of bacteria, yeast, and mold that cause food spoilage. However, the quality of freeze-dried meat may gradually deteriorate over time due to factors like storage conditions and exposure to air and temperature fluctuations. To maximize its shelf life, store freeze-dried meat in a cool, dry place, follow packaging guidelines, and check for signs of spoilage.
Freeze Dryer Comparisons
| No. | Parameter | HFD-4 | HFD-6 | ||
| Old | New | Old | New | ||
| 1 | Cold Trap | Φ295×520 | Φ295×520 | Φ470×520 | Φ470×520 |
| 2 | Shelf（mm） | 235x450x175 | 210x440x195 | 440x290x320 （4 trays） 440x290x335 （8 trays） | 440x290x320 （4 trays） 440x290x335 （8 trays） |
| 3 | Tray（mm） | 200x420x20 | 200x420x20 | 430x315x30 （4 trays） 430x265x30 （8 trays） | 430x315x30 （4 trays） 430x265x30 （8 trays） |
| 4 | Size（mm） | 600x640x900 | 500x640x900 | 770x710x1200 | 640x680x1200 |
| 5 | Net weight （kg） | 84 | 98 | 130 | 125 |
| 6 | Package size（mm） | 720x850x1240 | 630x840x1260 | 860x830x1500 | 830x800x1500 |
| 7 | Gross weight（kg） | 148 | 140 | 203 | 197 |
cookbook
A freeze dryer cookbook is a collection of recipes specifically designed for freeze-dried food. These cookbooks provide creative and practical ideas for utilizing freeze-dried ingredients in various meals and dishes
Why Freeze Drying
Freeze Dried Candies
Freeze dried milk/yogurt
Freeze-dried chicken
Liquid freeze-drying operation - egg liquid
Recipes for freeze dryer fruits---Home Freeze Dryer
Are Freeze Dryers Worth It?
Whether or not freeze dryers are worth it depends on your specific needs, preferences, and circumstances. Here are some factors to consider when evaluating the value of a freeze dryer:
