Review on explosion puffing drying for fruits and vegetables at variable temperature and pressure difference

As a method of drying, the explosion puffing drying for fruits and vegetables at variable temperature and pressure difference is a new technology, which combine the advantages of hot-air drying and vacuum freeze drying. The puffed fruits and vegetables are natural, healthy foods and contain plentiful nutrition, also have the excellent qualities and the wide application prospects. Review on the explosion puffing drying equipments, as well as the national and international technics and mechanism of explosion puffing drying processing were carried out, meanwhile the characteristics and difficulties of explosion puffing drying were also analyzed in this paper. Finally, the development trend and application prospects of this technology were discussed. It provides a reference for further research on explosion puffing drying for fruits and vegetables at variable temperature and pressure difference.