A comprehensive examination of active alkaloids, extraction parameters, and neuro-cardiovascular applications for functional formulations.
Uncaria rhynchophylla (Miq.) Jacks, known natively in China as Gou Teng (钩藤), is one of the most prominent botanical agents in traditional East Asian medicine, highly documented for its neuro-active and vascular actions. The therapeutic window of this botanical extract is heavily dependent on its profile of tetracyclic and pentacyclic oxindole alkaloids, specifically Rhynchophylline and Isorhynchophylline.
As a leading China Uncaria Rhynchophylla Extract Manufacturer, we leverage advanced extraction technologies to selectively isolate and standardize these compounds. The clinical value of Uncaria Rhynchophylla rests on its capacity to act as a natural calcium channel antagonist, modulate neurotransmitter pathways, and offer direct neuroprotection by mitigating oxidative stress within cortical and hippocampal neurons.
| Active Compound | Molecular Formula | Key Pharmacological Target | Industrial Assay Standard |
|---|---|---|---|
| Rhynchophylline | C22H28N2O4 | L-type Calcium Channels, NMDA Receptors | 1.0% - 5.0% HPLC |
| Isorhynchophylline | C22H28N2O4 | Vascular Endothelial NO Production, Autophagy Pathway | 0.5% - 2.0% HPLC |
| Corynoxeine & Isocorynoxeine | C22H26N2O4 | Vasodilation, Microglial Anti-inflammation | Total Alkaloids > 5.0% |
How TRB Bio-Tech engineers the journey from raw hook and vine sourcing to high-bioavailability standardized powders.
Implementing optimized multi-stage aqueous-ethanol reflux extraction. Utilizing thermodynamic monitoring to prevent thermal degradation of sensitive alkaloids, maintaining maximum yield and composition profile.
Utilizing targeted macroporous adsorption resins and industrial-scale column chromatography to separate non-alkaloid matrix components, concentrating Rhynchophylline from crude extract to high-assay fractions.
Pioneering liposomal and nano-carrier integration to dramatically enhance the blood-brain barrier (BBB) penetration of Uncaria alkaloids, boosting cellular uptake and efficacy in nootropic formulations.
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.
TRB committed to the research and development of pure natural plant extracts, dedicated to the health of all humanity.
Comprehensive batch records, complete traceability from raw botanical field sourcing to finished standardized extract, and state-of-the-art chemical assay testing validation.
Years Industry Experience
Modernized GMP Factories
Countries Exported To
Global Industrial Certifications
Uncaria Rhynchophylla Extract serves as a critical raw material across diverse medical and dietary supplement spaces.
Acts as an organic calcium channel blocker to encourage vascular smooth muscle relaxation. Used in natural formulations targeting blood pressure regulation and healthy peripheral circulation.
Promotes clearance of intracellular aggregates (such as amyloid-beta) by activating AMPK/mTOR-independent autophagy pathways, supporting cognitive longevity and structural brain health.
Sourced heavily by dietary supplement brands focusing on cognitive enhancement, memory optimization, and stress adaptation due to its ability to modulate neurotransmitter balances.
At TRB Bio-Tech, we address the main bottlenecks of botanical sourcing by upgrading our manufacturing processes to smart, automated environments. Our production facilities deploy continuous, closed-loop PLC-controlled extraction processes that maintain strict temperature, solvent-flow, and concentration levels.
By shifting from traditional batch processes to integrated smart monitoring systems, we minimize environmental variances. This technological approach reduces batch-to-batch inconsistencies, guarantees stable active constituent yields, and optimizes solvent recovery rates—reducing environmental footprints while keeping prices highly competitive for global volume orders.
In addition, our inventory system coordinates raw material supply lanes directly with cultivation bases in South-Western China. This vertical integration buffers our supply chains against wild-harvest fluctuation, ensuring a year-round uninterrupted supply of Uncaria Rhynchophylla Extract.
From agricultural farm base coordinates (GAP) to extraction and distribution lots.
Strategic warehousing keeping 6-month safety stocks of raw dried hooks and vines.
95%+ Ethanol recovery efficiency, reducing production overhead and supporting green initiatives.
Providing seamless localization, documentation, and certifications required by international regulatory boards.
We supply complete documentation folders including Allergen Statements, GMO-free Declarations, BSE/TSE statements, and detailed flowcharts. Certified under GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER.
To assure absolute transparency, each batch of Uncaria Rhynchophylla Extract can undergo third-party testing with globally recognized laboratories (SGS, Eurofins, Intertek) before export, validating purity, active assay, and contaminant profiles.
We accommodate customized specifications for target alkaloid concentration, particle size optimization (from standard 80 mesh up to ultra-fine powders for capsule integration), and tailored bulk packaging configurations.
Direct technical answers to questions commonly raised by procurement managers, R&D scientists, and formulation engineers.
Get in touch with our botanical ingredient specialists for specifications, samples, pricing quotes, and technical audits.
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
