The material of traditional Chinese medicine is loose and high in sugar and fiber, which can easily absorb moisture, breed microorganisms, and attach insect eggs during transportation, storage, and processing, affecting the appearance, medicinal properties, and shelf life. The microwave drying sterilization and insecticidal egg equipment has a wide range of applicability, which can be used for remedial treatment of damp Chinese medicinal materials after transportation and before storage, as well as for standardized processing operations before finished product packaging, covering multiple important links before and after the production and storage of Chinese medicinal materials.
In the transportation and warehousing process of traditional Chinese medicinal materials, the raw materials undergo long-distance transportation, stacking and turnover, and are generally affected by environmental humidity and sealed water vapor, resulting in hidden moisture regain problems. Traditional air drying and hot air drying can only treat surface moisture and are difficult to eliminate internal adsorbed moisture. After treatment, it is still prone to later mold growth, softening, and insect infestation. Using microwave equipment for pre storage treatment, relying on the penetrating uniform heating characteristic, excess moisture absorbed during the transportation of medicinal materials can be quickly removed, and the overall moisture content of medicinal materials can return to the storage standard. At the same time, it can kill bacteria, molds, and latent insect eggs that grow during transportation, restore damp medicinal materials to a dry and clean state, meet long-term storage conditions, and avoid the deterioration and loss of the entire batch of medicinal materials during storage.
In the pre-processing stage of traditional Chinese medicine packaging, microwave technology is also suitable for refined production needs. Freshly processed Chinese medicinal materials may appear dry, but there are often trace amounts of insect eggs, mold spores, and hidden moisture remaining in their fibers, folds, and tissue gaps, which are difficult to distinguish with the naked eye. Therefore, after packaging the finished product, there may be problems such as insect infestation, bag swelling, and mold growth in the later stages.
By using microwave equipment for integrated processing before packaging, deep drying, sterilization, insecticide eggs and other processes can be completed in a low-temperature and fast processing environment. And the processing process does not damage the tissue structure of traditional Chinese medicine, does not lose the effective ingredients of the medicine, does not change the color and appearance of the medicine, and can effectively improve the hygiene level of the finished product.
Overall, microwave equipment can be used as a repair and remediation device for medicinal materials that have been affected by moisture, as well as a standardized processing equipment for finished products before leaving the factory, suitable for the full process production needs of Chinese medicinal material enterprises for storage and preservation, and product quality improvement.
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