Fenugreek (Trigonella foenum-graecum) extract has shifted from a traditional remedy to a cornerstone of clinical and sports nutrition. As global consumer demand rises for evidence-based botanical ingredients, standardized extracts rich in Furostanol Saponins, Protodioscin, and 4-Hydroxyisoleucine are taking center stage in metabolic health formulations.
As a global B2B hub, the extraction industry faces high standards for purity and stability. Modern formulations require specific molecular profiles: saponins for androgenic support and lipid metabolism, and specialized soluble dietary fibers (galactomannans) for glycemic management. High-performance liquid chromatography (HPLC) ensures consistent dosing across clinical applications.
Standardized to 50% & 60% Furostanol Saponins to maintain free testosterone levels.
Highly purified 4-Hydroxyisoleucine acts as an insulin-sensitizing agent.
TRB’s manufacturing facilities utilize high-precision extraction setups to isolate target active molecules while removing unwanted volatile lipids, ensuring structural integrity and bioavailability.
| Extraction Phase | Methodology & Technology | Target Biomolecules | Industrial Quality Metric |
|---|---|---|---|
| Phase 1: Raw Material Sourcing | Eco-compatible harvesting; physical sorting & moisture screening (<8%). | Intact Seed Glycosides | Aflatoxin-free, low bioburden limits |
| Phase 2: Debittering & Deodorization | Supercritical fluid extraction (SFE-CO2) with ethanol entrainer. | Removal of volatile lipids, Sotolon, and alkaloids | Neutral organoleptic profile |
| Phase 3: Fractional Concentration | Multi-stage counter-current solvent extraction & column chromatography. | Furostanol Saponins (50%-60% HPLC) | High concentration of Protodioscin |
| Phase 4: Crystallization & Drying | Low-temperature vacuum concentration & spray drying in clean rooms. | 4-Hydroxyisoleucine & Galactomannan | 99% passing through 80 Mesh screen |
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is a leading Chinese manufacturer and exporter of herbal extracts and derivatives, with over 20 years of experience in the industry.
TRB is a technology-driven company that integrates research and development, production, and international sales. Our diverse portfolio includes Herbal Extracts, Sweeteners, Nootropics, Vegetable & Fruit Juice powders, Essential oils, and Bee Products.
Through our consistent growth and dedicated service, TRB was honored with the 2026 "Global Biotechnology and Life Sciences Award" as the ''Best Global Herbal Extract Provider 2026''.
TRB operates three specialized production facilities: one for herbal extracts, one for bee products, and one for animal extracts. Our plants are certified under international quality and safety standards, including GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER.
In recent years, TRB has focused on developing nootropic products, such as Brain Health, Anti-Aging, and Longevity Herb Extracts, which have received positive feedback from our customers worldwide.
Global sourcing requires more than just high-quality ingredients; it demands a resilient supply chain. TRB operates an integrated vertical system—from raw material cultivation to international distribution—to ensure consistent delivery and mitigate global logistics challenges.
Our cleanroom facilities prevent batch cross-contamination, ensuring compliance with global regulatory standards.
With automated extraction lines running continuously, we maintain raw material inventories to bypass seasonal shortages.
We utilize closed-loop water systems and energy recovery to lower the carbon footprint of our operations.
Different markets present distinct regulatory and formulation requirements. TRB offers customized ingredient solutions to meet these local needs:
Our R&D team provides comprehensive support—including solubility optimization, flavor masking, and blending services—to streamline your product development process.
To support global supply chains, TRB provides comprehensive documentation for import customs, food safety audits, and regulatory verification. Our raw materials are fully traceable from cultivation to final processing.
Our certificates include GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER. We conduct regular external laboratory tests to verify the absence of heavy metals, pesticide residues (in accordance with USP <561>), and harmful solvent residuals.
Our products have been exported to more than 60 countries and regions. We are committed to the research, development, and supply of pure natural plant extracts to support human health.
Connect with our technical support and logistics teams for specifications, samples, and volume-based pricing structures.
Pioneer Bio-Park, No 127 North Road Xishan Bridge, Yu Hua Tai District, Nanjing, China 210012
86-25-52863298
86-13770771528
86-25-52867040