Are freeze-dried foods really nutritious?

Preserving activity and locking in nutrients, freeze-drying technology has some serious benefits! Freeze-dried fruits and vegetables, freeze-dried yogurt bites, probiotic freeze-dried powder, freeze-dried face masks… In recent years, the application of “freeze-drying technology” has expanded into more and more areas of everyday life, becoming a hallmark of quality and convenience in products. As these products gain more attention, people are not only amazed by the premium experience “freeze-drying magic” brings but also have more questions about this cutting-edge technology. Let’s dive into the secrets of freeze-drying with a closer look! What is freeze-drying technology? Freeze-drying technology, also known as vacuum freeze-drying, involves quickly freezing water-containing raw materials into a solid, then using the sublimation properties of water to remove the moisture in the form of vapor under vacuum conditions. This achieves the drying process [1]. Throughout the freeze-drying process, which occurs in a low-temperature, vacuum, and low-oxygen environment, the reproduction of aerobic microorganisms and the activity of certain biological enzymes are greatly inhibited. This allows for the preservation of the bioactive and heat-sensitive components of the raw materials. For these...