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Dehydrated vegetables, also known as rehydrated vegetables, are dried vegetables made by washing and drying fresh vegetables to remove most of the water in the vegetables.
Although you may be unfamiliar with the proper name of dehydrated vegetables, if you mention the vegetable packs in instant noodles (containing dehydrated carrots and various dehydrated vegetables), you will probably know what dehydrated vegetables are. The following introduces the basic knowledge of dehydrated vegetables and their nutritional value.
It is understood that after the dehydration process of dehydrated vegetables, the finished product has the characteristics of small size, light weight and instant recovery when entering water, which is convenient for storage and transportation, can effectively regulate the peak season of vegetable production, and can be stored for more than half a year. People can eat it by simple processing in a short time. The original color, nutrition and flavor of vegetables are basically preserved. In addition, dehydrated vegetables generally can effectively retain dietary fiber, and can promote intestinal peristalsis and improve constipation just like ordinary vegetables and fruits. However, some water-soluble nutrients such as vitamin B family and vitamin C may be lost during dehydration. Therefore, it is not recommended to eat dehydrated vegetables for a long time to replace traditional fruits and vegetables.
At present, the domestic production of dehydrated food (including dehydrated vegetables) mainly includes hot air drying, microwave drying, infrared drying and freeze drying, and the production process is relatively mature. Among them, freeze-drying is better than other methods in terms of production process and retention of nutritional value.
The principle of freeze-drying is mainly to freeze the rinsed vegetables at -20°C to -40°C, take them out after an appropriate period of time, and put them into a freeze dryer for freeze-drying. At this time, the frozen water in the vegetables will be sublimated into water vapor and be pumped away. The shape, volume and color of the final product remain basically unchanged, and it has the advantages of high rehydration rate (easy to re-absorb water), relatively small nutritional damage, good flavor and high quality.
Phone: 0086-185 3819 2032
Tel: 0086-185 3819 2032
Email: info@fitaky.com
Add: Zhongmu,Zhengzhou city, Henan Province China
Contact0086-185 3819 2032
E-Mailinfo@fitaky.com
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