Explore our premium selection of standardized herbal extracts and natural powders manufactured under strict GMP compliance.
Understanding the rising global demand for standardized Nigella Sativa (Black Seed) extract in functional foods and pharmaceuticals.
Nigella Sativa extract owes its therapeutic efficacy primarily to Thymoquinone (TQ). As a leading manufacturer, we utilize advanced HPLC testing to guarantee standardized concentrations of TQ ranging from 5% to over 20%, catering to clinical-grade applications worldwide.
The global market is witnessing a major shift toward natural immunomodulators. Nigella extract is increasingly formulated into immune-support softgels, respiratory health syrups, and metabolic wellness supplements across North America and Europe.
Navigating international regulatory frameworks requires rigorous documentation. Our Nigella Sativa extracts comply with USP, EP, and FCC standards, backed by comprehensive allergen declarations, heavy metal limits, and pesticide residue testing.
A trusted pioneer in the botanical extraction industry with over two decades of innovation and global reach.
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB), is the China Leading manufacturer and exporter of herbal extracts and its derivatives for more than 20 years.
TRB is a technology-based company that combines research and development, production and international market sales. TRB products include the Herbal extracts, Sweeteners, Nootropics, Vegetable & Fruit Juice powder, Essential oil, Bee Products.
TRB's rapid development and dedicated service in the plant extract industry over the years, we have been awarded the 2026 "Global Biotechnology and Life Sciences Award" - ''Best Global Herbal Extract Provider 2026''
TRB currently has three factories, one is a herbal extract factory, the other is a bee product factory and the another is for animal extract products, and the factory has a series of certificates such as GMP, ISO, HACCP, ORGANIC, FDA, HALAL, KOSHER Certificates
In recent years, TRB has focused on the research and development of Nootropics products, such as Brain Health Herb Extract, Anti-Aging Herb Extract, Longevity Herb Extract which have good feedback from our customers. TRB products have been exported to more than 60 countries and regions and have gained a good reputation and respect. We are committed to the research and development of pure natural plant extracts, dedicated to the health of all humanity.
How TRB achieves industry-leading purity and stability in Nigella Sativa extraction through scientific precision.
We source premium Nigella Sativa seeds from optimal geographic regions, ensuring high initial Thymoquinone content. Every batch undergoes strict identity testing (FTIR) before processing.
To preserve volatile active compounds like Thymoquinone and p-cymene, we employ low-temperature supercritical fluid extraction. This prevents thermal degradation and eliminates harmful solvent residues.
Using preparative HPLC and column chromatography, we isolate and standardize Thymoquinone to precise customer specifications (e.g., 5%, 10%, 20% TQ), ensuring batch-to-batch consistency.
To overcome the hydrophobic nature of Thymoquinone, we offer microencapsulated and water-soluble Nigella extract powders, significantly improving absorption and shelf-life stability in functional beverages.
Adapting Nigella Sativa (Black Seed) extract to meet diverse industrial and consumer demands across global markets.
In the US and Canada, Nigella extract is highly sought after for immune health, joint comfort, and cardioprotective formulations. Our standardized powders are optimized for two-piece hard capsules and modern gummy formulations.
European consumers demand organic, non-GMO, and clean-label ingredients. TRB's Organic-certified Nigella extract provides natural antioxidant properties, acting as a functional ingredient in premium health foods and wellness teas.
In East Asia (Japan, South Korea, China), Thymoquinone's potent anti-inflammatory and antimicrobial properties are utilized in skincare. It is formulated into acne-control creams, scalp-soothing shampoos, and anti-aging serums.
Why partnering with a leading Chinese manufacturer like TRB ensures cost-efficiency, stability, and scale.
China's botanical extraction industry benefits from an integrated agricultural network and advanced processing technology. At TRB, we maintain strategic partnerships with raw material growers, ensuring a steady supply of premium Nigella seeds even during global market fluctuations.
Our three state-of-the-art factories utilize automated, continuous extraction lines. This minimizes manual labor costs, reduces energy consumption, and maximizes yield, allowing us to pass significant cost savings to our global partners without compromising on quality.
Located in Nanjing, TRB enjoys proximity to major shipping ports (Shanghai and Ningbo) and international airports. This ensures rapid transit times, flexible shipping options (FOB, CIF, DDP), and seamless customs clearance for our clients in over 60 countries.
Our commitment to safety, transparency, and international regulatory standards.
Our facilities operate under strict GMP, ISO, and HACCP guidelines. Every step of the manufacturing process, from raw material receipt to final packaging, is fully traceable.
We perform comprehensive in-house and third-party testing (SGS/Eurofins) for heavy metals, pesticide residues (USP <561>), solvent residues, and microbiological contaminants.
To serve diverse global markets, our Nigella Sativa extract is certified Halal, Kosher, and Organic. We also maintain active FDA registration for smooth entry into the US market.
Technical answers to common questions about our Nigella Sativa (Black Seed) Extract.
High-quality plant extracts, sweeteners, and functional ingredients for global industries.
Partner with China's leading botanical extract manufacturer. Contact us today for technical specifications, custom formulations, and bulk pricing.
Pioneer Bio-Park, No 127 North Road Xishan Bridge, Yu Hua Tai District, Nanjing, China 210012
86-25-52863298
86-13770771528
86-25-52867040
