How Should Panax Notoginseng Root Extract Powder Be Stored?

May 7, 2025

Proper storage of Panax Notoginseng Root Extract Powder is essential to maintain its potency, efficacy, and shelf life. This valuable botanical extract contains numerous bioactive compounds including saponins, flavonoids, and polysaccharides that are sensitive to environmental factors such as light, temperature, and humidity. Whether you're a manufacturer, retailer, or consumer, understanding optimal storage conditions will help preserve its therapeutic properties. This article provides guidelines on proper storage to maximize stability and maintain the beneficial properties of Panax Notoginseng Root Extract Powder.

What are the optimal temperature conditions for storing Panax Notoginseng Root Extract Powder?

How does temperature affect the stability of saponins in Panax Notoginseng Root Extract Powder?

Temperature significantly impacts the stability of bioactive compounds in Panax Notoginseng Root Extract Powder. The primary active constituents are saponins, particularly ginsenosides and notoginsenosides, which are temperature-sensitive. Exposure to high temperatures accelerates degradation through hydrolysis and oxidation. When stored above 25°C (77°F), saponin content can decrease significantly within months, reducing efficacy. The degradation rate approximately doubles with every 10°C increase in temperature. Conversely, lower temperatures slow degradation reactions, preserving saponin content. Studies show that storage at 2-8°C (refrigerator temperature) maintains saponin stability for up to 24 months with minimal potency loss, making refrigeration ideal for long-term preservation of Panax Notoginseng Root Extract Powder.

Should Panax Notoginseng Root Extract Powder be refrigerated or kept at room temperature?

Whether to refrigerate or store at room temperature depends on storage duration, packaging, and climate conditions. For short-term storage (less than 3 months), Panax Notoginseng Root Extract Powder can be kept at controlled room temperature (20-25°C or 68-77°F) if properly sealed and protected from light. For storage exceeding 3 months, refrigeration at 2-8°C is recommended to maintain stability. When refrigerating, use airtight containers to prevent moisture absorption during temperature fluctuations. It's advisable to bring refrigerated powder to room temperature before opening to prevent condensation, which could introduce moisture and lead to clumping or contamination. In commercial settings or tropical climates where temperatures regularly exceed 25°C, refrigeration should be considered even for short-term storage.

Does freezing extend the shelf life of Panax Notoginseng Root Extract Powder?

Freezing Panax Notoginseng Root Extract Powder below -18°C (0°F) can significantly extend shelf life by slowing chemical degradation. Research indicates frozen storage preserves over 95% of the original saponin content for more than 36 months, compared to approximately 85% retention when refrigerated. Ultra-low temperatures immobilize reactive molecules, preventing oxidative reactions and enzymatic degradation. However, the powder must be stored in moisture-proof, airtight containers to prevent freeze-thaw cycles from introducing condensation. The extract should gradually warm to room temperature before opening. For large-scale operations and research facilities, freezer storage represents the gold standard for long-term preservation. For typical consumer use, refrigeration provides a practical balance between convenience and preservation.

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What humidity and moisture controls are necessary for Panax Notoginseng Root Extract Powder?

Why is moisture control critical for preserving Panax Notoginseng Root Extract Powder quality?

Moisture control is critical due to the hygroscopic nature of Panax Notoginseng Root Extract Powder. The powder readily absorbs moisture, triggering degradation pathways that compromise quality. Excess humidity causes hydrolysis reactions, particularly affecting glycosidic bonds in saponins, leading to less active metabolites. Increased moisture creates favorable conditions for microbial growth, which can produce toxins and further degrade active compounds. Physical changes occur as moisture causes fine powder to clump, reducing flowability. Research shows that storage above 60% relative humidity results in accelerated degradation, with up to 30% reduction in total saponin content after just three months. Maintaining low moisture environments is essential for preserving both chemical integrity and microbiological safety throughout shelf life.

What packaging materials best protect Panax Notoginseng Root Extract Powder from humidity?

Selecting appropriate packaging materials is crucial for protecting Panax Notoginseng Root Extract Powder from humidity. High-barrier materials that minimize moisture vapor transmission rates are essential. Aluminum foil laminate pouches provide excellent protection due to the aluminum layer's impermeable nature. These typically combine polyethylene (inner layer), aluminum foil (moisture barrier), and polyester or nylon (outer layer). Alternatively, high-density polyethylene (HDPE) containers with silicone gaskets and desiccant packs offer good protection in retail settings. Glass containers with airtight closures provide excellent barriers but may not be practical for larger quantities. For bulk industrial storage, specialized barrier films like metallized polyester or PVDC-coated materials provide adequate protection while maintaining cost-effectiveness. Incorporating moisture-absorbing desiccant sachets significantly enhances protection by actively removing moisture that penetrates packaging.

How do desiccants and humidity indicators help preserve Panax Notoginseng Root Extract Powder?

Desiccants and humidity indicators are critical tools for moisture management. Desiccants actively remove moisture from packaging headspace, creating a microenvironment with low relative humidity that protects from hydrolysis and contamination. Silica gel is commonly used due to its high absorption capacity, chemical inertness, and cost-effectiveness. Molecular sieves offer superior performance for critical applications, reducing relative humidity below 10%. The appropriate desiccant quantity typically ranges from 3-10 grams per 100 grams of product. Complementing desiccants, humidity indicator cards provide visual monitoring of moisture conditions. These cards contain chemicals that change color when exposed to specific humidity levels (commonly at 30%, 40%, and 60% RH), allowing verification that the product has been maintained under appropriate conditions. Some manufacturers implement integrated packaging solutions combining desiccant technology with humidity indicators, providing both active moisture control and continuous monitoring.

How does light exposure affect the stability of Panax Notoginseng Root Extract Powder?

What types of light cause the most degradation to Panax Notoginseng Root Extract Powder?

Light exposure significantly threatens the stability of Panax Notoginseng Root Extract Powder due to photosensitive bioactive compounds. Ultraviolet (UV) radiation (wavelengths 200-400 nm) causes the most severe degradation, triggering photolytic and photo-oxidative reactions in saponins, particularly targeting unsaturated bonds in ginsenosides and notoginsenosides. This photo-degradation modifies structures, diminishing pharmacological activities. High-energy visible light (400-500 nm, blue-violet region) also contributes to oxidative degradation, albeit slower than UV radiation. Research shows that samples exposed to direct sunlight lost approximately 35% of total saponin content after four weeks, while samples exposed to artificial indoor lighting experienced about 15% degradation over the same period. Fluorescent lighting, common in retail environments, presents an intermediate risk compared to direct sunlight or complete darkness.

What packaging colors and materials provide the best light protection for Panax Notoginseng Root Extract Powder?

Appropriate packaging colors and materials are crucial for protection from light-induced degradation. Amber or brown glass containers provide excellent protection by blocking over 90% of UV light, making them ideal for premium formulations. Similarly, opaque high-density polyethylene (HDPE) containers in dark colors (particularly black, deep blue, or dark green) offer strong protection while providing practical advantages for commercial quantities. For flexible packaging, aluminum foil laminate pouches represent the gold standard, as the metallic layer provides complete light blockage. Alternatively, metallized films offer good protection with enhanced physical properties. For products requiring consumer visibility, specialized UV-blocking transparent films can be utilized, though these should be coupled with secondary packaging for complete protection. Research shows​​​​​​​ that properly selected light-protective materials can preserve over 95% of original saponin content for up to 24 months under normal storage conditions.blog-1-1

How should Panax Notoginseng Root Extract Powder be displayed in retail settings to minimize light damage?

Optimizing display conditions in retail environments requires careful consideration of lighting exposure. Products should be positioned away from direct sunlight, which can penetrate even light-protective packaging during prolonged exposure. Display cases with reduced lighting intensity or directional lighting focused away from products provide a protective environment that minimizes photodegradation risk. For retailers utilizing glass display cases, UV-filtering films can be applied to glass surfaces to reduce harmful radiation while maintaining visibility. Implementing a store layout that positions botanicals away from windows and fluorescent lighting further reduces cumulative light exposure. Some retailers keep most inventory in light-protected storage areas while displaying only representative samples, bringing additional units from protected storage at the point of sale. For bulk powder sold in health food stores, storing products in drawers or cabinets that remain closed except during customer interaction represents an effective compromise. Digital retail channels eliminate light exposure concerns during display, making online sales particularly advantageous for preserving quality.

Conclusion

Proper storage of Panax Notoginseng Root Extract Powder is essential for maintaining its potency and extending its shelf life. By controlling temperature (preferably refrigerated or in cool, dry conditions), minimizing exposure to moisture through appropriate packaging and desiccants, and protecting from light with opaque containers, this valuable extract can maintain its bioactive properties for extended periods. These comprehensive storage practices ensure that manufacturers, retailers, and consumers can maximize the benefits of this traditional herbal extract for health applications.

Angelbio is a pioneering enterprise, jointly established by Angel Holding Group and the Institute of Life and Health Research of Xi'an Jiaotong University, dedicated to the research, production, and distribution of natural ingredients for various industries, including healthy food, nutritional supplements, cosmetics, personal care, pharmacy, and flavor & fragrance. With over 18 years of independent R&D and testing expertise, Angelbio prioritizes technological innovation and supply chain integration to promote natural origins and global health. Striving to meet international quality standards, Angelbio continually improves safe production and quality control measures. Currently, its factory holds FDA registration and certifications such as ISO9001, ISO14001, ISO18001, KOSHER, HALAL, and QS, ensuring compliance with GMP requirements. Additionally, for ingredients exported to the EU market, full REACH registration is secured. Angelbio's purpose and philosophy revolve around its research and development laboratory, serving as a platform for innovation and integration, with a steadfast commitment to providing high-end, high-quality, and stable products and services for human health. As a leading Panax Notoginseng Root Extract Powder manufacturer in China, Angelbio's products are trusted and praised by customers. For inquiries about this product or others, please contact angel@angelbiology.com for dedicated service. These represent Angelbio's corporate advantages.

References

1. Wang, Y., Choi, H.K., & Brinckmann, J.A. (2021). Quality assessment of Panax notoginseng (Sanqi) and implications for storage conditions. Journal of Ethnopharmacology, 267, 113513.

2. Li, X., Chen, Y., & Wang, Q. (2020). Effect of environmental factors on stability of saponins in Panax notoginseng extract powder. Phytochemical Analysis, 31(5), 598-607.

3. Zhang, S., Chen, R., Wu, H., & Wang, C. (2022). Packaging technologies for traditional Chinese medicine extracts: A review focusing on moisture and oxygen barrier properties. Journal of Food and Drug Analysis, 30(1), 76-91.

4. Liu, J., Wang, Z., & Li, S. (2019). Photostability studies of ginsenosides and notoginsenosides in Panax notoginseng extracts: Identification of degradation products and pathways. Journal of Pharmaceutical and Biomedical Analysis, 172, 223-233.

5. Chen, X., Yuan, K., & Liu, H. (2020). Storage stability of bioactive components in Panax notoginseng preparations: Effects of temperature, humidity, and packaging materials. Pharmacognosy Magazine, 16(70), 441-448.

6. Zhao, G., Jiang, Y., & Sun, C. (2021). Current advances in stabilization technologies for botanical extracts with special reference to ginsenosides from Panax species. Industrial Crops and Products, 162, 113289.

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