The Strategy of Freeze-Drying
Freeze-drying is a posh means of preserving contemporary or already-cooked meals by eradicating as much as 98% of the meals’s moisture, leaving intact the meals’s texture, taste, aroma and dietary worth.
The method requires that the contemporary or cooked meals be rapidly frozen at temperatures as little as -50°C. The frozen meals is then positioned right into a vacuum chamber. This vacuum chamber lowers the pressure, and raises the temperature to simply about zero°C.
At this particular temperature and pressure, the ice crystals within the meals evaporate into water vapor, bypassing water’s liquid kind, by a course of known as sublimation.
This course of preserves the cell construction and dietary content material of the meals, leading to a product that, when rehydrated, very carefully resembles the unique meals.
The method additionally prevents the water from being reabsorbed by the meals and thus decreases its weight considerably. 먹튀검증
Most meals gadgets equivalent to fruits, greens and meats are well-suited to freeze-drying, and can be utilized for long-term meals storage and preservation.
The Strategy of Dehydration
Dehydrating meals is a meals preservation methodology which has been used for hundreds of years. Native Individuals dehydrated their buffalo kills of their hunting camps to make it easier to move. Pemmican (a dehydrated concoction of buffalo meat blended with fats and berries) was a staple of most of the nomadic North American tribes. This low-heat dehydration course of concerned both air drying (with close by campfires), or solar drying strips of meat on drying racks.
Dehydrators are a contemporary methodology for slowly eradicating the moisture from meals with out really cooking it. A disadvantage of dehydration is the restricted quantity of meals which will be dried at one time. The constructive side of dehydration is that this methodology of processing for meals storage will be simply carried out at home.
How Do These Two Strategies Have an effect on the Meals?