Author: Admin View: Post Time: 2025 / 10 / 06 09:57:56
Chili peppers are grown extensively in my country. During harvest, in addition to being shipped and sold fresh, many products are dried and processed into various chili products. There are many important considerations during the chili drying process, such as stacking thickness, drying parameters, and temperature and humidity control.
1. Stacking Thickness: When drying chili peppers in a dryer, pay attention to the stacking thickness. A recommended stacking thickness of approximately 20-25 mm is recommended. Stacking the peppers too thinly: While this allows for good air permeability and minimizes air resistance, facilitating heat exchange, it shortens the contact time between the peppers and the hot air, resulting in reduced heat utilization. Stacking the peppers too thickly: This increases resistance to hot air flow, preventing the hot air from penetrating the material layer, resulting in poor drying results or even no drying at all.
2. Drying Temperature: The hot air temperature used in chili drying determines the drying quality and efficiency of the peppers. Therefore, it is important to test the drying quality and efficiency of different chili varieties at various temperatures to determine the optimal drying temperature and other parameters. It's important to note that chili peppers contain over a dozen key nutrients, some of which are easily lost or destroyed at high temperatures. To avoid reducing these nutrients, high hot air temperatures should be avoided.
3. Moisture Retention Before Packaging: After the drying process, chili peppers have a very low moisture content, resulting in a crisp, brittle texture and easy breakage. Therefore, they should be left indoors to rehydrate, allowing them to absorb a certain amount of water and soften before packaging and storage.
4. Moisture and Humidity Control: The key to controlling the moisture content of chili peppers during drying is moisture. Normally, the moisture content of dried chili peppers is around 14%. Excessively high moisture content can lead to mold and deterioration, while low moisture content can cause breakage. Therefore, proper moisture control is crucial.
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