The raw materials are prepared and frozen solid, and then freeze dried in a vacuum chamber. Under this process, water contained as ice in the cells of products will be converted to be steam, while the shape, size, color and other properties are retained in the productsSelecting the Vacuum Freeze Drying Process and dark-air-tight packing is the best method of long term food preservation, it retains the aroma, color, texture and nutrients without requiring the addition of preservatives, Fruits maintain their visual appeal as well as their nutritional value and original flavour.