Abstract: The characteristics, research progress and process conditions of vacuum processing technology of vacuum frying, variable temperature and pressure expansion, microwave drying equipment and freeze drying are reviewed.
Analyze and compare the advantages and disadvantages of these kinds of fruit and vegetable vacuum processing methods, and point out the current defects and shortcomings of the fruit and vegetable chip processing industry. Based on this, the countermeasures and suggestions for the research breakthrough of the future fruit and vegetable chip processing industry breakthrough are put forward, which has certain reference value.
Key words: fruit and vegetable chips microwave drying, vacuum frying, variable temperature differential pressure puffing, vacuum microwave drying, vacuum freeze drying
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