The tools employed for this specialised preservation course of is a freeze dryer, particularly designed for meals purposes. These machines function on the precept of sublimation, the place ice transforms straight into vapor with out passing by a liquid part. A typical freeze dryer consists of a chamber, a vacuum pump, and a refrigeration system to decrease the temperature and stress, facilitating the sublimation course of. Freeze-dried candies usually retain their unique form, colour, and taste profile, whereas exhibiting a lightweight and ethereal texture.
This technique affords a number of benefits in confectionery preservation. It considerably extends shelf life by eradicating nearly all moisture, inhibiting microbial progress and enzymatic reactions. The low processing temperatures defend delicate elements, reminiscent of unstable taste compounds and pigments, making certain a better high quality completed product. Whereas traditionally used for prescription drugs and organic samples, the applying of freeze drying within the meals trade, particularly with delicate objects like candies, has gained vital recognition resulting from its potential to protect product high quality over prolonged durations.