Onion is a perennial herb of Liliaceae and Allium. The harvesting time of onions is generally from the end of May to the first ten days of June. In our daily life, fresh onions are generally used as vegetables, while dried onions are generally used in food and chemical industries. Do you want to know the onion drying process? Today we will give you a detailed introduction.
洋蔥乾燥過程
在洋蔥乾燥過程中，需要注意溫度、濕度和乾燥時間。
- 溫度：洋蔥的乾燥溫度不應超過50℃，在乾燥時除濕率應達到20%以上。乾燥可以分為多個階段。初始乾燥溫度設為50-40℃，第二階段設為40-30℃，第三階段降至約35℃。
- 濕度：對於含水分較高的蔬菜，必須控制濕氣的排出。因為這也是決定乾燥品質的重要因素之一。
- 乾燥時間：洋蔥的乾燥週期通常約為15小時。快速乾燥會損害乾燥品質。
如何商業化乾燥洋蔥？
The water content of onions is relatively high. The traditional onion drying method takes a long time and is easy to breed bacteria. With the development of food technology, most food processing plants use 洋蔥乾燥機s to dry onions. In the onion drying process, the onion dryer machine generally adopts the method of low temperature hot air and constant temperature drying. Because high temperature will destroy the nutritional value of vegetables and make them lose nutrients.
Onion dryer machine adopts the drying technology of hot air circulation, which is also the best way to dry onions. If you need an onion dryer, please feel free to contact us. In addition, you can also use this machine to dry vegetables, fruits and traditional Chinese medicine such as chilli.