It's all crisp. What's the difference between vacuum frying and vacuum freeze-drying?
Crisp fruit and vegetable is a snack food favored by consumers at present, and crisp fruit and vegetable according to the different processing technology, is divided into two kinds of crisp vacuum freeze dried fruit and vegetable and vacuum fried fruit and vegetable, both are crisp fruit and vegetable, vacuum fried and vacuum freeze dried where is the difference? Let's analyze it together.
One, processing principle is different
Are crisp fruits and vegetables, vacuum frying and vacuum freeze-drying difference is mainly reflected in the two types of processing principle.
The principle of vacuum frying machine mainly uses low temperature vacuum frying technology, in the vacuum environment, the boiling point of oil to 100 degrees below, compared with ordinary frying, low temperature processing is not easy to produce fruit and vegetable burnt phenomenon, and to avoid the occurrence of harmful substances in the oil caused by high temperature thin phenomenon.
The working principle of vacuum freeze-drying machine made from fresh frozen immediately after harvesting, low temperature to minus 40 degrees, through the lyophilizer equipment will ice ingredients by vacuum dewatering technology, the solid state of water directly sublimate to gas, middle without liquid, do not destroy the fruits and vegetables original organizational structure, can keep the product color, fragrance, taste and shape, More than 95 percent of the nutrients can be retained. After freeze-dried fruit, dehydration rate of more than 95 percent, in the case of no need to add any preservatives, to take the way of dry and sealed under room temperature preservation for more than a year.
Two, crisp appearance difference of fruits and vegetables
The second difference between vacuum frying and vacuum freeze-drying is the crispy appearance of fruits and vegetables. Fruit and vegetable crisp low-temperature after vacuum Fried Fried, conforms to the concept of health consumers for cold, but compared with fruits and vegetables the lyophilizer, its appearance is a certain damage to fruit and vegetable crisp appearance after vacuum freeze-dried machining is complete, smooth surface, sensual lover, and can have a longer shelf life. So vacuum freeze-dried fruits and vegetables are crispy and visually superior.
Second, different taste
The second difference between vacuum frying and vacuum freeze-drying is the crunchy texture of fruits and vegetables. The crisp fruits and vegetables are processed by two different processing methods, and their taste is different. After the vacuum frying machine, the crisp fruits and vegetables are more crisp, and the taste is more crisp. For consumers who love fried food, because the crisp fruits and vegetables are fried at low temperature, it is more in line with the concept of modern consumers for healthy frying. While the crispness of fruits and vegetables processed by vacuum freeze-drying machine is slightly inferior to that of fruits and vegetables processed by vacuum frying in taste, but the crispness of fruits and vegetables processed by vacuum freeze-drying machine is also very popular among consumers because it does not contain oil and has a long shelf life.
It's all crisp. What's the difference between vacuum frying and vacuum freeze-drying?
To sum up, can see is all fruit and vegetable crisp, vacuum Fried and vacuum freeze-dried difference is very big still, of course, different processing technology and processing of product faced by consumer groups are also different, so we are in the process of fruit and vegetable crisp, for the choice of equipment, only need to choose according to fruit and vegetable crisp process accordingly can!