Food and pharmaceutical coating equipment, drying equipment, and modification equipment

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2026-03-25 08:39

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The food and pharmaceutical industries impose stringent requirements on the safety, functionality, and stability of raw materials. Unmodified conventional powder materials often suffer from numerous shortcomings, whereas specially formulated, coated and modified materials can precisely meet the core needs of these industries, with applications spanning the entire production process and covering a wide range of product categories.

In the food processing industry, the core applications of modified materials are concentrated in three main areas: first, the protection and sustained release of nutritional components, such as vitamins, probiotics, and fish oil. First, heat-sensitive and oxidation-prone nutrients such as DHA can be protected from external factors like oxygen and temperature through coating modification, thereby preventing nutrient loss, extending shelf life, and achieving targeted sustained release in the intestinal tract to enhance nutrient absorption efficiency. Second, coating modification can optimize food texture and form: for example, powdered ingredients such as cocoa powder, milk powder, and dietary fiber can exhibit improved flowability and resistance to agglomeration and caking, thus resolving issues like layering during reconstitution and a coarse mouthfeel and enhancing the overall eating experience. Third, functional enhancement can be achieved: for instance, food additives and filling powders can benefit from coating modification to lock in flavor, prevent moisture absorption and stickiness, and reduce off-flavors associated with additives, thereby balancing functionality with food safety and meeting the diverse production needs of baked goods, beverages, health supplements, and other food categories. In addition, modified powders can be used to formulate food-preserving coatings and functional packaging materials, further expanding their applications in food processing.

In the pharmaceutical processing field, modified materials serve as critical carriers for enhancing drug efficacy and ensuring medication safety, with their applications primarily manifesting in four key areas: first, sustained- and controlled-release delivery, in which active pharmaceutical ingredients are encapsulated within specialized carrier materials to precisely regulate the rate of drug release in the body, thereby prolonging therapeutic duration, reducing dosing frequency, and minimizing gastrointestinal irritation; second, enhanced drug stability—particularly for labile drugs such as antibiotics and biologics, which are prone to degradation and inactivation—where coating and modification can shield these agents from environmental factors like light, humidity, and temperature, thus preventing degradation and maintaining consistent pharmacological performance; third, solubilization of poorly soluble drugs, whereby coating and modification improve the dissolution properties of such compounds, increase bioavailability, and facilitate more efficient absorption by the body; and fourth, optimization of medical-material functionality, exemplified by hydroxyapatite and titanium alloys. Medical-grade powders such as TiO₂, when surface-coated and modified, can enhance biocompatibility, making them suitable for orthopedic implant materials and medical dressings, thereby reducing the body’s immune rejection response. At the same time, such modifications improve the mechanical properties and corrosion resistance of the materials, ensuring the safety and reliability of medical products.

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