High-purity raw extracts and specialized pharmaceutical derivatives designed for strict quality criteria.
Bilirubin is a critical yellow tetrapyrrole compound created through the normal physiological breakdown pathway of heme. In clinical settings, the quantification of direct, indirect, and total bilirubin levels (often referred to as the Bilirubin Score or bilirubin panel) serves as an indispensable biomarker for liver performance, bile duct clearance, and hematological health. Precision diagnostics rely on high-fidelity, high-purity bilirubin reference standards to calibrate clinical spectrophotometers, high-performance liquid chromatography (HPLC) instruments, and microfluidic point-of-care (POC) devices.
For international IVD (In Vitro Diagnostics) manufacturers, sourcing bilirubin standards requires absolute clarity regarding raw material synthesis, purity criteria (often ≥98% by HPLC), heavy metal profiles, and moisture levels. Our customized solutions allow buyers to specify packaging, concentration ranges, and specialized matrix formulations designed to mimic human serum, mitigating matrix effects during optical analysis.
The manufacturing roadmap of bilirubin and related biological agents (such as *sodium dehydrocholate*, *taurohyodeoxycholic acid*, and *cholic acid*) has evolved through significant technical breakthroughs. Originally limited to basic solvent extraction from bovine bile, modern methods now use advanced multi-stage crystallization and chromatography to isolate highly stable, crystalline compounds.
Because natural bilirubin is highly sensitive to light and oxidation, our extraction lines employ inert gas blanketing (using ultra-pure nitrogen) and amber glass isolation. By controling phase separations with tailored organic solvent mixtures, we eliminate high molecular weight protein impurities that typically contaminate standard grades.
The next generation of diagnostic devices utilizes electrochemical and optical biosensors. These systems require reference standards with high water solubility and physical stability. Our current research focus centers on complexing bilirubin with hydrophilic carrier proteins or preparing ready-to-use liquid standards that show zero degradation over extended storage periods.
We also specialize in manufacturing intermediate compounds and related bile acids, such as Sodium Tauroursodeoxycholate (TUDCA) and Deoxycholic Acid. These act as key ingredients in pharmacological formulations targeting cholesterol gallstones, liver cirrhosis, and neurodegenerative disorders.
Beyond clinical diagnostic applications, our portfolio bridges the gap between active pharmaceutical ingredients (APIs), functional foods, advanced skincare, and modern animal husbandry. Each sector benefits from our core competencies in extraction, purification, and regulatory-grade document packages.
Providing clinical chemistry reagents, calibrators, and control matrices with traceable certificate sheets. We support pharmaceutical developers with custom bulk runs of pure bile acids (e.g., *cholic acid* and *deoxycholic acid*) to synthesize novel therapeutic agents.
Leveraging raw materials like *Siberian ginseng extract* and *Cistanches Tubulosa extract* to boost human immunity, alleviate fatigue, and protect neural tissue. These botanicals are standardized to precise active marker concentrations, delivering stable biological benefits.
Utilizing natural cosmetic materials such as *Luteolin* and *Pterostilbene* to provide anti-oxidative, skin-brightening, and anti-aging properties. Our high purity guarantees low coloration and irritation-free formulations.
Applying natural feed additives like *Yucca extract* to regulate intestinal environments, lower environmental ammonia levels in livestock structures, and boost overall feed conversion efficiency.
Chengdu Chenlv Herb Co., Ltd.
Over a decade of manufacturing high-integrity active ingredients and diagnostic standards for global distribution.
Choose Chenlv Herb for products that deliver beyond expectations, supporting your research and commercial demands.
Creative formulation designs and isolation methodologies that elevate your brand and diagnostic capabilities.
Eco-friendly packaging aligned with modern environmental requirements and rapid throughput optimization.
End-to-end green extraction systems, ensuring minimum ecological impact and high sustainability.
Fast processing turnaround and immediate technical support to meet your strict logistics timelines.
A dedicated validation team supporting you with analytical documentation every step of the way.
Over a decade of industry expertise ensuring chemical precision and manufacturing excellence.
By integrating modern chromatographic systems with standard botanical extraction protocols, Chenlv Herb delivers natural active pharmaceutical ingredients (APIs) and diagnostics reagents that satisfy international requirements.
Our state-of-the-art facility features temperature-regulated zones, clean rooms with certified laminar flow systems, and full-spectrum HPLC analytical equipment.
Translating botanical science and raw diagnostic materials into concrete product benefits across sectors.
Driven by the concept of "homology of medicine and food" and modern health needs, plant extracts have gradually become the core raw materials for the development of health care products due to their natural, green and safe characteristics.
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From herbal formulas recorded in ancient books to modern innovative drugs, plant extracts occupy the prominent position in the pharmaceutical industry due to their natural active ingredients and unique pharmacological effects.
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With consumers' pursuit of natural, safe, and sustainable skincare concepts, plant extracts have become a new favorite in the cosmetics industry due to their mildness, versatility, and biocompatibility, bringing new solutions for skin care.
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Plant extracts have shown great potential in improving animal health, enhancing production performance and optimizing culture benefits, and are gradually becoming a research hotspot and new favorite in the field of animal nutrition.
Explore Industry SolutionsThe global raw materials market faces multiple structural challenges, including climate variations affecting crop yields and evolving international regulatory barriers. Chenlv Herb addresses these challenges by operating a factory layout based on "Industry 4.0" principles. This setup optimizes efficiency and resource usage while maintaining high product quality.
For procurement managers purchasing clinical standards or botanical ingredients, supply chain reliability is just as important as chemical purity. Our 2711㎡ facility in Chengdu incorporates dual-redundant processing lines, ensuring uninterrupted output even during planned maintenance. In addition, we maintain strategic safety buffers of raw botanicals and biological substrates, protecting partners from sudden market supply shortages or pricing volatility.
Every production run is backed by a complete analytical dossier, including HPLC, UV-Vis, and FTIR spectrum analyses, along with heavy metal testing, pesticide screening, and microbiological assays. This level of quality verification makes it straightforward for international regulatory teams to validate raw ingredients for pharmaceuticals, cosmetics, or functional supplements.
Chenlv Herb provides one-stop contract manufacturing services, translating custom specifications into bulk logistics shipments.
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Communicate with customers to determine product specifications, purity levels, and packaging.
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Provide a detailed proposal quotation and breakdown based on customer parameters.
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Sign the sales agreement to outline logistics terms, QC benchmarks, and lead times.
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Prepare pilot samples and run validation batches inside our laboratory.
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Upon sample validation, schedule production line runs according to standard operating protocols.
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The QC department tests the finished batch, issuing the final Certificate of Analysis (COA).
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Deliver the finished products securely via international temperature-controlled logistics networks.
Our operations are fully aligned with international standards: ISO9001, ISO22000, HALAL, KOSHER, and FDA facility registration.






Stay updated on market price trends, botanical extraction breakthroughs, and global trade events.
Recently, the market price of Citrus aurantium raw materials in China has been on the rise, drawing significant attention from the industry. As the new production season comes to an end, price fluctuations have become a focal point...
As a leading industry window, the 23rd China Pharmaceutical Raw Materials Exhibition (CPHI China 2025) will join hands with the 18th China Pharmaceutical Machinery to present innovative natural extraction developments...
We are showcasing our latest advancements in high-purity diagnostic standards, natural APIs, and customized pricing structures for botanical ingredients at the API conference...
Answering technical, logistics, and pricing questions for international biological raw material buyers.
Pricing is determined by assay purity (HPLC limits of 95%, 98%, or 99%), analytical trace validation (such as heavy metal or residual solvent profiles), and custom packaging requirements (like gas-filled amber vials or dry-ice air shipping).
Our extraction and crystallization processes are carried out under inert nitrogen gas and wavelength-filtered yellow safety lighting. Vials are sealed in amber borosilicate glass under vacuum, protecting the materials from photo-isomerization.
Every shipment includes a comprehensive Certificate of Analysis (COA), safety data sheets (MSDS), HPLC chromatograms, and trace-metal mass spectrometry maps to facilitate internal validation.
Yes. Our R&D team can formulate bile acids, reference standards, and botanical powders into custom matrix compounds, adjust moisture percentages, or design targeted liquid stability solutions.
For inquiries about our products or to request an updated price list, leave your email below and our technical sales team will reply within 24 hours.
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