Explore our premium selection of high-purity herbal extracts and active ingredients manufactured under strict GMP standards.
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is China's leading manufacturer and exporter of herbal extracts and their derivatives, with a rich legacy spanning more than 20 years. As a pioneer in botanical extraction, TRB integrates cutting-edge research and development, state-of-the-art manufacturing, and international sales to deliver premium ingredients to the global nutraceutical, cosmetic, and pharmaceutical industries.
Our dedication to quality and innovation was recognized globally when we were honored with the prestigious 2026 Global Biotechnology and Life Sciences Award as the "Best Global Herbal Extract Provider 2026". We operate three specialized manufacturing facilities dedicated to herbal extracts, bee products, and animal-derived extracts.
TRB's production lines are certified under the most stringent international standards, including GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER, ensuring complete traceability, safety, and compliance for our global clientele.
A scientific exploration of its phytochemical composition, health benefits, and therapeutic potential.
Nasturtium officinale, commonly known as watercress, is a rapidly growing, aquatic perennial plant native to Europe and Asia. It is one of the oldest known leaf vegetables consumed by humans. Beyond its culinary uses, watercress has been revered in traditional medicine for centuries due to its high concentration of bioactive compounds.
Modern scientific research has validated many of these traditional claims, revealing that Nasturtium Officinale Extract is a powerhouse of secondary metabolites. The primary active compounds include glucosinolates (specifically gluconasturtiin), which hydrolyze into phenethyl isothiocyanate (PEITC) when the plant tissue is disrupted. PEITC has been extensively studied for its potent antioxidant, anti-inflammatory, and chemopreventive properties.
Additionally, the extract is rich in flavonoids (such as quercetin and kaempferol), carotenoids (lutein and beta-carotene), and essential vitamins (A, C, and K). This complex phytochemical profile makes Nasturtium Officinale Extract an invaluable ingredient for formulating advanced dietary supplements, functional foods, and cosmeceuticals.
| Specification Parameter | Standard Value / Range | Testing Method |
|---|---|---|
| Product Name | Nasturtium Officinale Extract (Watercress Extract) | Visual / Botanical Identification |
| Botanical Source | Nasturtium officinale R. Br. | Taxonomical Verification |
| Active Ingredients | Glucosinolates > 1.0%, PEITC Standardized, Ratio Extract (4:1, 10:1, 20:1) | HPLC / UV-Vis |
| Appearance | Fine Yellow-Brown to Greenish-Brown Powder | Visual |
| Odor & Taste | Characteristic, slightly pungent and peppery | Organoleptic |
| Loss on Drying | ≤ 5.0% | USP <731> |
| Heavy Metals | ≤ 10 ppm (Pb ≤ 2 ppm, As ≤ 1 ppm, Cd ≤ 0.5 ppm, Hg ≤ 0.1 ppm) | ICP-MS |
| Microbiological Control | Total Plate Count ≤ 1000 cfu/g, Yeast & Mold ≤ 100 cfu/g, E. Coli / Salmonella Negative | USP <61> & <62> |
Why sourcing Nasturtium Officinale Extract from China, and specifically TRB, offers unparalleled value.
China's diverse climatic zones and vast water systems provide the ideal habitat for cultivating high-quality, pesticide-free watercress. TRB partners with local agricultural cooperatives to establish GAP-compliant cultivation bases, ensuring a stable, year-round supply of fresh raw materials with optimal active compound profiles.
TRB utilizes state-of-the-art extraction technologies, including low-temperature vacuum concentration, membrane filtration, and spray drying. These advanced techniques preserve the delicate glucosinolates and volatile PEITC compounds, preventing thermal degradation and ensuring high potency and solubility in the final extract.
By leveraging China's highly integrated industrial supply chains and TRB's large-scale production capacities across our three factories, we offer highly competitive pricing without compromising on quality. Our optimized logistics network ensures prompt delivery to over 60 countries worldwide.
How Nasturtium Officinale Extract addresses modern consumer demands and regulatory shifts.
Global consumers are increasingly demanding transparent, minimally processed, and plant-derived ingredients. Nasturtium Officinale Extract fits perfectly into this "clean-label" trend. It is a 100% natural botanical ingredient that can replace synthetic antioxidants and preservatives in food and cosmetic formulations, appealing to health-conscious demographics.
In recent years, TRB has focused heavily on the research and development of Nootropics, including Brain Health, Anti-Aging, and Longevity Herb Extracts. Nasturtium Officinale Extract, rich in antioxidants and neuroprotective compounds, is being integrated into cognitive support formulations to combat oxidative stress in brain tissues and support overall mental clarity and longevity.
Urbanization has led to increased exposure to environmental pollutants, which accelerate skin aging. The personal care industry is actively seeking active ingredients that strengthen the skin barrier. Watercress extract has been clinically shown to stimulate the production of detoxification enzymes in skin cells, helping to neutralize heavy metals and free radicals from air pollution.
Practical formulations and product concepts utilizing Nasturtium Officinale Extract.
Formulated into capsules, tablets, or softgels targeting cellular health, detoxification, and immune support. Often combined with other cruciferous extracts (like broccoli seed extract) to create a synergistic glucosinolate blend.
Incorporated into green powder blends, detox shots, and wellness juices. The water-soluble grades of TRB's extract ensure clear dissolution, minimal sedimentation, and a pleasant, characteristic herbal taste profile.
Added to anti-aging serums, pollution-defense creams, and clarifying facial cleansers. Its antimicrobial properties also make it suitable for formulations targeting acne-prone skin and scalp health.
Meeting the rigorous compliance demands of international buyers.
For global procurement managers, sourcing botanical extracts involves navigating complex regulatory landscapes. TRB simplifies this process by providing comprehensive documentation and compliance support. Every batch of Nasturtium Officinale Extract is accompanied by a detailed Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and Technical Data Sheet (TDS).
Our three state-of-the-art factories are equipped with advanced analytical instruments, including HPLC, GC-MS, AAS, and ICP-MS, allowing us to perform rigorous in-house testing for active ingredient content, heavy metals, pesticide residues, and microbiological contaminants. This ensures that our products meet or exceed the regulatory standards of the US FDA, European Food Safety Authority (EFSA), and other global regulatory bodies.
Furthermore, our logistics team is experienced in handling international customs procedures, ensuring smooth transit and timely delivery to your warehouse, whether you are located in North America, Europe, Asia-Pacific, or Latin America.
Expert answers to common technical and commercial inquiries regarding Watercress Extract.
High-quality botanical ingredients tailored to your specific formulation needs.
Get in touch with our sales and technical support teams to request samples, quotes, or custom formulations.
Pioneer Bio-Park, No 127 North Road Xishan Bridge, Yu Hua Tai District, Nanjing, China 210012
86-25-52863298 / 86-13770771528
Fax: 86-25-52867040
