Processing method for non-fried vacuum-frozen puffed winter jujubes
A technology for vacuum freezing and puffing winter jujube, which is applied in the fields of food preservation, fruit and vegetable preservation, food science, etc., can solve the problems affecting the sensory and quality of puffed and puffed winter jujube, affecting product sensory evaluation, and skin folds of winter jujube, and achieving a complete and good appearance. Crispy, jujube full effect
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[0017] Refer to the attached figure 1 , attached figure 2 And attached image 3 The processing method of a kind of non-fried vacuum frozen puffed winter jujube of the present invention is described in detail below.
[0018] A processing method of non-fried vacuum frozen puffed winter jujube according to the present invention, its structure (1) raw material pretreatment: the fresh winter jujube is subjected to inspection, cleaning, core penetration, and Vc color protection treatment;
[0019] (2) Non-fried vacuum freeze puffing drying by non-frying vacuum freeze puffing dryer: the operation process is: after the pretreated raw materials are quick-frozen, spread them into a single layer, evenly distribute them on the material tray 13, put them into puffed The tank 3 is placed on the heating plate 4, the door 12 of the expansion tank is closed, and the expansion tank 3 is closed;
[0020]Turn on the vacuum unit 7 and the refrigeration unit 6, open the first pneumatic valve 17...
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