Although freeze-dried strawberries and frozen strawberries have similar names, they have essential differences in processing technology, taste and texture, storage methods, and nutritional characteristics.
1. Different processing techniques
Frozen strawberries: The process is relatively simple, usually by washing freshly picked strawberries and rapidly freezing them in a low temperature environment of -18 ℃ to -35 ℃. This process retains the moisture inside the strawberry, but turns it into ice crystals.
Freeze dried strawberries: The process is complex and uses vacuum freeze-drying technology (sublimation drying). Strawberries are first frozen instantly to -40 ℃ to -50 ℃, and then placed in a vacuum chamber. Through sublimation, the ice inside is directly turned into water vapor and discharged. This process removes over 90% of the moisture from strawberries, resulting in completely dry strawberries.
2. Different taste and texture
Frozen strawberries: Due to the retention of moisture, the cell structure of thawed strawberries can be damaged by the expansion of ice crystals, resulting in a soft, juicy, and even slightly rotten texture. It retains the moisture of fresh strawberries, but cannot be as crisp as fresh strawberries.
Freeze dried strawberries: The water is completely extracted, leaving behind a porous solid skeleton. The texture is very light and crispy, with a crisp feeling when bitten, and even melts in the mouth, with a strong strawberry sweet and sour flavor.
3. Different storage methods and shelf life
Frozen strawberries: must be stored in a frozen environment below -18 ℃ throughout the entire process. The shelf life is usually around 6 to 12 months. If the temperature fluctuates or the storage time is too long, it is easy to cause "frostbite", flavor loss, or spoilage.
Freeze dried strawberries: Due to their almost zero moisture content and shelf stability, they only need to be sealed and stored in a cool, dry place at room temperature, away from light. The shelf life is extremely long, usually up to 1 to 2 years or even longer.
4. Differences in Nutritional Composition and Calories
Nutrients: Both of them effectively preserve the dietary fiber, minerals, and antioxidants of strawberries. Frozen strawberries have a very high retention rate of vitamin C due to the retention of moisture; During the low-temperature dehydration process of freeze-dried strawberries, the loss of thermosensitive nutrients such as vitamin C is relatively small, and the nutrient density is extremely high (at the same weight, the nutrition of freeze-dried strawberries is several times that of fresh strawberries).
Calories and sugars: Freeze dried strawberries have much higher calorie and sugar content per unit weight due to dehydration and concentration. The calorie content of freeze-dried strawberries can reach over 340 calories per 100 grams, and some commercially available products may also add extra sugar. When consuming, it is necessary to control the amount; The calorie content of frozen strawberries is basically the same as that of fresh strawberries.
5. Different applicable scenarios
Frozen strawberries: Perfect for cooking scenarios that require moisture and a soft texture, such as making jams, milkshakes (smoothies), ice cream, baking pastries, or boiling syrup.
Freeze dried strawberries: suitable for direct consumption as a daily snack, or as an ingredient sprinkled on yogurt, oats, and grains to enhance their crispy texture. In baking, it is often ground into powder for natural coloring and seasoning of cream, macarons, or cake preforms.

E-mail:

sales@syguanfeng.com

Tel: 
+86 15088506234
 

Address: 

South Industrial Park of Dongguan, Shangyu District, Shaoxing City,Zhejiang Province,China.