In the Chinese herbal medicine and health product industry, product efficacy and safety begin with the most basic processing step—drying. Overheating, unsanitary conditions, and cross-contamination are common risks.

These hidden risks in traditional drying methods are quietly depleting the precious active ingredients in raw materials and creating potential problems for quality control and compliance certification for enterprises.

Faced with increasingly stringent GMP/GSP certification systems and the market’s extreme pursuit of product purity, an intelligent drying solution that meets pharmaceutical-grade hygiene standards and focuses on preserving active ingredients is no longer an upgrade option, but an essential foundation for production.

medicinal herbs Dryer

I. Why Clean Drying is Key to the Production of Chinese Herbal Medicines and Health Products

The effective components of Chinese herbal medicines (such as alkaloids, glycosides, and volatile oils) and heat-sensitive nutrients in health products are extremely sensitive to processing temperature and environmental hygiene. Drying in unclean environments easily introduces microbial contamination, while improper temperature and humidity control directly lead to component degradation and reduced efficacy.

II. Guoxin Machinery’s “Clean Drying” Solution

1. Ultimate Cleanliness, Compliant with GMP/GSP Standards: All contact parts of the equipment are made of 316L stainless steel or higher grade materials, with polished welds, eliminating any unsanitary corners. An integrated HEPA high-efficiency air filtration system ensures the cleanliness of the drying medium (air) meets pharmaceutical production standards, preventing secondary contamination at its source.

2. Precise Intelligent Control, Maximizing the Retention of Active Ingredients: Utilizing an intelligent multi-segment temperature and humidity control model, it simulates the optimal drying curve to achieve rapid dehydration or freeze-drying at low temperatures. This effectively avoids the damage of heat-sensitive substances caused by high temperatures, locking in key efficacy and nutrients, ensuring high efficiency and stability between product batches.

3. Full Traceability, Easier Verification: The equipment design follows the “Quality by Design” (QbD) principle, providing complete validation support documentation (DQ/IQ/OQ/PQ). Key process parameters can be monitored and recorded in real time, providing solid data support for your quality audits and product certifications.

III. Customized Core Equipment for Pharmaceutical-Grade Production

• Mesh Belt Dryer:

Suitable Materials: Roots, slices, granules of Chinese medicinal herbs, and plant extracts.

Clean Design: Equipped with a Class A air purification unit, a fully removable and washable conveyor belt, and a CIP online cleaning system. Ensures a sterile operating environment is maintained even in continuous large-scale production.

• Heat Pump Low-Temperature Dryer:

Suitable Materials: Fresh medicinal herbs that are extremely sensitive to temperature, probiotics, and high-end health food raw materials.

Activity Preservation: Highly efficient dehydration at low temperatures of 40-65℃, reducing energy consumption by more than 60% compared to traditional methods, perfectly preserving the natural color, shape, and biological activity of the raw materials.

• Microwave Drying and Sterilization Equipment:

Suitable Materials: Powdered and granular health products, and medicinal herbs prone to microbial growth.

High-Efficiency Sterilization: Utilizes microwave penetrating heating to simultaneously perform pasteurization or sterilization while rapidly drying, significantly reducing the initial total bacterial count and extending shelf life.

• Freeze Dryer (FD):

Applicable Materials: Precious medicinal herbs (such as cordyceps and ginseng extracts), high-end health foods, collagen, etc.

Peak Quality: Sublimation of moisture under vacuum and low temperature results in excellent rehydration properties and near 100% activity retention, making it the ultimate drying solution for products seeking top-quality manufacturing.

IV. One-Stop Clean Production Line from Pre-treatment to Finished Product Packaging

We are not only drying equipment experts, but also provide turnkey projects for complete production lines covering pre-treatment (GMP standard bubble washing machine, peeling machine, slicing/dicing), blanching/blanching, low-temperature air drying, vacuum freeze drying, aseptic powder grinding mill, and even final packaging. We ensure that every step from raw materials to finished products operates under unified clean standards and controllable processes.

Successful Applications

We have partnered with numerous well-known Chinese herbal medicine companies, listed plant extract companies, and health food manufacturers to successfully deploy clean drying production lines that meet the new GMP requirements for their products, such as astragalus, goji berries, turmeric, Ganoderma lucidum spore powder, enzymes, and freeze-dried fruit slices*. These projects not only achieved breakthroughs in active ingredient retention rates but also helped clients successfully pass international authoritative certifications and expand into high-end markets.

If you are seeking reliable answers to the following questions:

•  How to design a medicinal herb drying production line that meets FDA or GMP standards?
•  How to increase the content of active ingredients in your products to obtain more authoritative testing reports and market trust?
• How to reduce drying energy consumption and overall costs while ensuring zero compromise on quality?

Please contact us immediately. Our engineering team will provide you with a customized “Pharmaceutical-Grade Clean Drying Solution and Investment Benefit Analysis Report” based on your specific material characteristics and production capacity requirements.

Start a conversation to give your products impeccable cleanliness and ultimate performance.