Standardized, certified, and quality-assured raw materials directly from our production base.
For more than 20 years, Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) has operated as a leading China-based manufacturer, researcher, and global exporter of high-quality botanical extracts and specialized derivatives. Our operations combine state-of-the-art laboratory research and development, large-scale industrial extraction, and specialized global sales structures.
TRB's product line spans premium Herbal Extracts, Sweeteners, Nootropics, Fruit & Vegetable Juice Powders, Essential Oils, and Bee Products. Reflecting our commitment to industrial innovation and reliability, TRB was awarded the 2026 Global Biotechnology and Life Sciences Award as the "Best Global Herbal Extract Provider 2026".
TRB operates three modern manufacturing facilities designed to prevent cross-contamination and ensure batch uniformity. One facility is dedicated exclusively to herbal extractions, the second processes specialized bee products, and the third handles animal-derived extractions.
Our facilities are fully certified and compliant with the following global standards:
| Certification | Standard Scope |
|---|---|
| GMP / FDA | Pharmaceutical & Dietary Supplement Controls |
| ISO / HACCP | Quality management & Food safety hazard analysis |
| ORGANIC | Ecological sourcing compliance |
| KOSHER / HALAL | Religious dietary compliance |
An in-depth look at S-Allyl-L-Cysteine Sulfoxide structure, stability, and therapeutic transformation.
Alliin (S-allyl-L-cysteine sulfoxide) is an organosulfur compound naturally found in fresh garlic (Allium sativum). Biochemically, it is a derivative of the amino acid cysteine. When garlic tissue is disrupted or crushed, the vacuolar enzyme alliinase is released and contacts the cytosolic Alliin. This enzymatic interaction rapidly converts Alliin into allicin (diallyl thiosulfinate), the compound responsible for garlic's characteristic aroma and sharp taste.
However, allicin is highly unstable, transient, and heat-sensitive, decomposing quickly into oil-soluble sulfides such as diallyl disulfide (DADS) and diallyl trisulfide (DATS). For pharmaceutical and dietary supplement formulations, this instability presents a challenge. Therefore, manufacturing and supplementing with stabilized Alliin Powder is the preferred industrial approach to ensure consistent, standardized dosage and predictable biological activity.
Aligning raw material specifications with industrial demands in the pharmaceutical and nutraceutical sectors.
In pharmaceutical research and manufacturing, Alliin acts as a reliable precursor for cardioprotective and lipid-lowering formulations. Large-scale buyers require high assay precision, low moisture levels, and clean microbiological profiles to support formulation stability during tableting and encapsulation processes.
Supplements targeting cardiovascular wellness, blood pressure management, and immune support rely on standardized Alliin. B2B purchasers require materials with consistent particle size distribution (PSD) for efficient, high-speed capsule filling and uniform mixing.
With its natural antioxidant profile, Alliin is increasingly utilized in anti-aging skincare products and preservation agents for functional foods. Clean-label trends require chemical-free extraction processes and transparent trace documentation.
Standardized steps in extraction, purification, and preservation of raw plant material.
Our extraction process focuses on preserving the bio-active molecules while deactivating the alliinase enzyme to prevent premature conversion. This ensures that the final powder retains a high level of stable Alliin.
Fresh garlic cloves are subjected to controlled heat-moisture treatment to denature the alliinase enzyme. This stabilizes the natural Alliin and prevents its enzymatic breakdown into volatile allicin.
The stabilized raw material is processed using water or food-grade ethanol solutions. This allows for high-yield extraction while minimizing the introduction of trace chemical impurities.
The liquid extract is passed through macro-porous adsorption resins and membrane filters. This concentrates the S-allyl-L-cysteine sulfoxide content and removes unwanted sugars and starches.
Low-temperature spray drying or vacuum drying protects the heat-sensitive molecular structure. The resulting dry cake is milled under controlled humidity to achieve the desired mesh size.
Every production run undergoes strict laboratory analysis to verify quality standards:
Providing regulatory compliance, logistics reliability, and quality assurance for worldwide transport.
With products exported to over 60 countries, TRB manages full batch traceability. We compile regulatory dossiers, including allergen statements, GMO-free declarations, BSE/TSE statements, and geographical origin certifications, to support local regulatory clearance in the US, EU, APAC, and LATAM regions.
Alliin powder is hygroscopic and sensitive to high relative humidity. TRB uses double food-grade polyethylene interior liners sealed inside high-density cardboard drums. Dessicant packs and vacuum-sealed aluminum barrier bags are available for long-distance maritime shipping.
We maintain buffer inventory levels for contracted customers to mitigate supply chain disruptions. By partnering with international freight forwarders, we coordinate air, sea, and express logistics, ensuring clear customs paperwork and timely delivery.
Technical and commercial details for procurement managers and quality controllers.
Our standard production runs produce Alliin concentrations of 1.0%, 2.0%, and 3.0% by HPLC. Custom concentrations can be manufactured upon request, depending on client specification sheets and formulation requirements.
We apply a controlled heat and moisture treatment to raw garlic cloves early in the extraction process. This step deactivates the endogenous alliinase enzyme, stabilizing the S-allyl-L-cysteine sulfoxide and preventing enzymatic breakdown into volatile allicin.
Our Alliin Powder has a standard shelf life of 24 months from the date of manufacture when stored in its original, unopened packaging. It should be kept in a cool, dry environment away from direct sunlight, high heat, and moisture.
Yes, our R&D department can prepare custom premixes, dry blends, or granulated formulas. We can combine Alliin with other ingredients like nootropics, sweeteners, or vitamins to meet customer specification sheets.
Each shipment is accompanied by a batch-specific Certificate of Analysis (COA) detailing HPLC assay results, moisture levels, ash content, heavy metal levels, and microbiological analysis. Regulatory support documentation like MSDS, allergen statements, and non-irradiation certificates are provided upon request.
Further ingredients and extracts manufactured to global pharmaceutical and nutraceutical standards.
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
Inquiries: [email protected]
Exports: [email protected]
Connect with our engineering and regulatory affairs department for specifications, batch documentation, and pricing details.