Fruit and vegetable drying
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Fruit and vegetable drying
Fruit and vegetable products have high water content and are easy to rot. At present, the loss rate of fresh fruits and vegetables in my country reaches 30% for fruits and 40%-50% for vegetables, while the loss rate in developed countries is less than 7%. Fruit and vegetable products have strong seasonality and regionality, and the harvest and listing period is short and concentrated, forming obvious peak seasons and off-seasons; in addition, if a large number of juicy and nutritious fruit and vegetable products are not sold, stored and processed in time, they will be piled up, shrink or even deteriorate and rot, causing economic losses, and fruit and vegetable products will be difficult to meet market demand. At present, by drying fruit and vegetable products and processing them into dried fruits and vegetables, fruit and vegetable powder, especially the edible skin and core can be used, the application range of fruit and vegetable raw materials has been broadened, becoming a good nutritious deep-processed product. The traditional methods of drying fruits and vegetables are coal-fired drying, electric heating drying, etc., which are relatively polluting and energy-consuming. As a high-efficiency and energy-saving product, heat pump drying has significant energy-saving effects compared with traditional drying, and the drying quality of dried materials is better maintained. It is especially suitable for drying sensitive and volatile products, which improves the quality of materials. At the same time, the entire heat pump drying process adopts intelligent control technology and built-in multiple drying process curves, which greatly saves labor costs, time and labor.
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