Explore our premium selection of standardized herbal extracts and nutritional powders manufactured under strict GMP compliance.
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is a premier technology-based enterprise specializing in the research, development, manufacturing, and global distribution of high-quality herbal extracts and their derivatives. With over 20 years of industry expertise, TRB has established itself as a trusted partner for the pharmaceutical, nutraceutical, cosmetic, and functional food sectors worldwide.
Our comprehensive portfolio includes standardized Herbal Extracts, Natural Sweeteners, Nootropics, Vegetable & Fruit Juice Powders, Essential Oils, and Bee Products. Our commitment to scientific innovation and rigorous quality control has earned us the prestigious 2026 Global Biotechnology and Life Sciences Award as the "Best Global Herbal Extract Provider 2026".
TRB operates three state-of-the-art manufacturing facilities: one dedicated to herbal extracts, one for bee products, and another specialized in animal-derived extracts. All facilities comply with international quality standards, holding certifications such as GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER.
Understanding the market dynamics, supply chain integrity, and global demand for Polygonatum (Huang Jing) extract.
Polygonatum extract, traditionally known as "Huang Jing" in East Asia, is experiencing a surge in global demand. Driven by the growing consumer interest in adaptogens, natural longevity supplements, and metabolic health, the market is expanding rapidly across North America, Europe, and Asia-Pacific. Modern clinical research validating its role in blood sugar regulation and immune support has transitioned this botanical from traditional medicine to a mainstream functional ingredient.
As a leading manufacturer, TRB addresses the critical challenge of raw material standardization. Polygonatum species (such as Polygonatum sibiricum, Polygonatum kingianum, and Polygonatum cyrtonema) vary in their bioactive profiles. We ensure botanical identity and traceability from wild-crafted and cultivated farms, preventing adulteration and ensuring consistent bioactive yields—specifically targeting high-molecular-weight polysaccharides.
Industrial buyers require reliable, large-scale supply partners. TRB's dedicated herbal extraction facility utilizes advanced counter-current extraction and membrane separation technologies. This allows us to scale production to meet multi-ton wholesale demands while maintaining strict batch-to-batch consistency, low heavy metal profiles, and zero pesticide residues, satisfying global regulatory standards.
How Polygonatum Extract aligns with modern consumer wellness shifts and scientific advancements.
In recent years, TRB has focused heavily on the research and development of Nootropics products, such as Brain Health Herb Extract, Anti-Aging Herb Extract, and Longevity Herb Extract. Polygonatum extract is emerging as a key ingredient in these formulations. Studies indicate that its active polysaccharides and saponins support neuroprotection, enhance synaptic plasticity, and combat oxidative stress in brain tissues, making it a highly sought-after component in cognitive health supplements.
Modern consumers are actively seeking adaptogenic herbs to manage chronic stress and fatigue. Polygonatum functions as a powerful adaptogen, helping the body restore homeostasis. Furthermore, its ability to improve insulin sensitivity and support healthy glucose metabolism has positioned it as a dual-action ingredient for both metabolic wellness and energy restoration formulations.
The global nutraceutical market is shifting toward clean-label, organic, and non-GMO ingredients. TRB's Polygonatum extract is available in certified organic grades. Our solvent-free water extraction processes ensure that the final powder remains free from chemical residues, aligning perfectly with the clean-label demands of premium health brands.
Formulators are increasingly combining Polygonatum with other adaptogens like Siberian Ginseng, Milk Thistle, or Artichoke extracts to create targeted health solutions. These synergistic blends optimize cellular energy, liver detoxification, and immune defense, offering comprehensive health benefits that appeal to modern, health-conscious consumers.
TRB's commitment to advancing botanical science through innovative extraction and standardization technologies.
Our technical roadmap focuses on the molecular characterization of Polygonatum polysaccharides. By utilizing advanced chromatography (HPLC-ELSD) and molecular weight distribution analysis, we standardize our extracts to guarantee specific bio-activity. Looking forward, TRB is pioneering enzymatic-assisted extraction methods to increase the yield of low-molecular-weight polysaccharides, which exhibit superior bioavailability and faster absorption rates in the human digestive tract.
We are also investing in clinical trials to further substantiate the efficacy of our Polygonatum formulations in supporting cellular longevity and mitigating age-related cognitive decline. This scientific backing provides our wholesale partners with the clinical evidence needed to make strong, compliant structure-function claims on their retail products.
Tailored formulations and delivery formats for diverse global industries.
Standardized Polygonatum Extract powder is ideal for capsules, tablets, and softgels. It serves as a cornerstone ingredient in anti-aging, immune-support, and glucose-management formulations. Its excellent stability makes it compatible with multi-ingredient blends.
With high water solubility and a pleasant, slightly sweet taste profile, our extract is easily incorporated into functional beverages, wellness shots, meal replacement shakes, and nutritional bars. It provides adaptogenic benefits without compromising flavor.
Rich in antioxidants and anti-inflammatory compounds, Polygonatum extract is increasingly used in topical formulations. It helps protect the skin from UV-induced oxidative damage, promotes collagen synthesis, and supports deep hydration in premium anti-aging skincare lines.
Technical insights and sourcing guidance for procurement managers and product formulators.
Our Polygonatum Extract is primarily standardized to Polysaccharides (ranging from 30% to 70% by UV-Vis spectroscopy). We also monitor and standardize specific saponins and flavonoids depending on the client's formulation requirements.
We source and process three primary species: Polygonatum sibiricum, Polygonatum kingianum, and Polygonatum cyrtonema. Each species is authenticated using DNA barcoding and macroscopic identification to ensure botanical purity.
Yes, our standardized extract powders are optimized for excellent cold-water solubility, leaving minimal sediment. This makes them highly suitable for functional beverages, instant tea premixes, and liquid supplements.
Our three factories operate under strict quality management systems and hold GMP, ISO 9001, ISO 22000, HACCP, USDA Organic, EU Organic, FDA registration, Halal, and Kosher certifications.
Every batch of raw material undergoes rigorous testing before entering the extraction line. We utilize Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for heavy metals and Gas Chromatography-Mass Spectrometry (GC-MS) for pesticide residue screening, ensuring compliance with strict USP and EP limits.
The standard shelf life of our Polygonatum Extract powder is 24 months when stored in the original unopened packaging in a cool, dry place away from direct sunlight and moisture.
Yes, our R&D and production teams can customize active ingredient concentrations, color profiles, and particle sizes (e.g., mesh size for direct compression or encapsulation) to match your specific formulation needs.
Scientific literature suggests that Polygonatum polysaccharides exhibit strong anti-glycation properties, reduce cellular oxidative stress, and support telomere maintenance. These mechanisms help mitigate age-related cellular damage, making it a premier ingredient in longevity formulations.
High-quality, standardized natural ingredients manufactured to support global health and wellness brands.
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is committed to providing pure, natural, and scientifically validated plant extracts dedicated to the health of all humanity. Contact our sales and technical teams today to discuss your sourcing requirements, request samples, or obtain detailed specification sheets.
Pioneer Bio-Park, No 127 North Road Xishan Bridge, Yu Hua Tai District, Nanjing, China 210012
Phone: 86-25-52863298
Mobile: 86-13770771528
Fax: 86-25-52867040 
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