Verified botanical active screening, pharmacological validation pipelines, and contract manufacturing services engineered to satisfy ICH, US FDA, and EMA regulatory standards.
Rodent and mammalian pharmacokinetics, in vivo efficacy validation, acute & subchronic LD50 toxicology models for botanical actives.
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Multi-origin spatial and seasonal potency mapping to identify Daodi geo-authentic biomass with peak secondary metabolite concentration.
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High-throughput cellular receptor binding, anti-inflammatory, antioxidant, glucose regulation, and enzymatic inhibitory assays.
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GCP-compliant human clinical verification for NDA botanical drug candidates and double-blind dietary supplement efficacy validation.
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Isolation and bio-guided fractionation of alkaloids, polyphenols, flavonoids, and triterpenoids using high-resolution chemometrics.
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Chromatographic fingerprinting, HPLC/UPLC-MS/MS assay establishment, and reference standard characterization per USP & Ph. Eur.
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Modernization of 83 classic TCM therapeutic recipes into standardized, high-bioavailability extracts and micro-encapsulated formulations.
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Multi-ton commercial isolation: concentrated liquids, micro-milled extract powders, purified crystals, and volatile botanical terpenes.
Request API Catalog →Phytochemical extraction is shifting from empirical agrarian decoctions to precision chemical manufacturing. Learn how China's integrated ecosystem delivers high purity, traceable provenance, and regulatory defense.
Potency begins in the soil. China represents over 12,000 documented medicinal flora taxa. MedGence (Yineng Pharma) leverages strict "Daodi" provenance authentication—monitoring soil micro-elements, elevation gradients, UV irradiation cycles, and optimal vegetative harvest windows across China's core botanical reserves.
Traditional extraction often suffers from thermal degradation and non-target co-elution. Chinese manufacturing hubs utilize continuous counter-current extraction (CCE), subcritical water extraction, super-critical carbon dioxide (SFE-CO2), industrial nanofiltration, and targeted polymeric adsorbent chromatography.
A persistent failure point for global brands is the friction between lab-scale academic discovery and multi-ton industrial scale-up. As a dual-engine CRO & CDMO, MedGence eliminates the knowledge chasm by keeping process chemistry, analytical method development, toxicology, and pilot-scale synthesis in-house.
Years of Botanical R&D
Dedicated Scientists & Staff
Pharma Groups & Hospitals Served
Classic TCM Formulas Modernized
Innovative Natural Medicines
Single-Herb Standards Established
Global regulatory agencies (US FDA, Health Canada, EMA, TGA) demand definitive batch uniformity, identity verification, and the total eradication of xenobiotic contaminants.
| Analytical Parameter | Validation Instrument | International Standard Compendia | Operational Threshold & Specification | Compliance Status |
|---|---|---|---|---|
| Identity & Chemical Profile | HPTLC / HPLC-DAD-QTOF | USP <203>, Ph. Eur. 2.8.25, ChP Vol I | Rf fingerprint match > 0.99 vs Primary Botanical Reference | Fully Validated |
| Assay Quantification | UHPLC-MS/MS Triple Quad | ICH Q2(R1), USP <621> | Active compound target: 10.0% to 99.8% (±0.5% batch tolerance) | Fully Validated |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS (Inductively Coupled Plasma) | USP <232> / <233>, Ph. Eur. 2.4.27 | Pb < 0.5 ppm, Cd < 0.2 ppm, As < 0.5 ppm, Hg < 0.1 ppm | Zero Exceedance |
| Multi-Pesticide Residues | GC-MS/MS & LC-MS/MS | USP <561>, Ph. Eur. 2.8.13 (500+ Screen) | Undetectable or within strict sub-ppb limits | Zero Exceedance |
| Residual Solvents | Headspace Gas Chromatography (HS-GC-FID) | ICH Q3C (Class 1, 2, 3 Solvents) | Class 1 (Zero), Ethanol < 5000 ppm, Methanol < 50 ppm | Compliant |
| Mycotoxins & Aflatoxins | HPLC-FLD with Immunoaffinity Clean-up | Ph. Eur. 2.8.18, USP <561> | Aflatoxin B1 < 2 ppb; Total Aflatoxins (B1+B2+G1+G2) < 4 ppb | Ultra-Clean |
We establish high-resolution baseline profiles across multiple wavelengths, ensuring that natural batch variations do not compromise the finished drug or nutraceutical product's clinical potency.
Employing Quantitative Analysis of Multi-Components by Single-Marker (QAMS) enables accurate, cost-effective determination of multiple homologous phyto-actives without needing dozens of costly standards.
Full stability testing chambers operating under ICH Q1A(R2) conditions (25°C/60% RH, 30°C/65% RH, and 40°C/75% RH) ensure definitive 24- to 36-month expiration dating documentation.
Every phase delivers concrete analytical, chemical, and biological proof. Global pharmaceutical and consumer brands can onboard at any discrete stage or commission turnkey execution.
High-throughput phenotypic screening, molecular docking, and literature curation across 83 classic formulations to isolate target chemical families (alkaloids, polyphenols, saponins).
Quantitative potency profiling across 10+ geographic origins and 4 harvest windows to lock down biomass with the highest secondary metabolite density and sustainability.
Establishing HPTLC, HPLC-MS/MS, and GC fingerprint methods, establishing standard reference markers, and designing assay limits that withstand international inspection.
Executing in vitro cellular assays (cytotoxicity, antioxidant, metabolic pathways) alongside GLP-aligned animal pharmacology and safety tests (LD50, acute, chronic, genotoxicity).
Executing pilot human trials for supplement efficacy claims and randomized, double-blind, placebo-controlled Phase I-IV trials for new botanical drug applications (NDA).
Tech transfer into pilot plants and automated 10,000-liter GMP extraction facilities. Commercial packaging in powders, liquids, softgels, tablets, and standardized bulk extracts.
Serving enterprise procurement officers, formulation chemists, and research directors across diverse life-science sectors.
For pharmaceutical entities filing Investigational New Drugs (IND) or Natural Medicine registrations. Standardized fractions with defined pharmacological mechanisms, validated LD50 values, and DMF documentation.
For supplement brands demanding clinically supported claims. Water-soluble, granulated powders, microencapsulated extracts, and standardized polyphenols engineered for capsules, effervescents, and functional beverages.
Clean-label plant extracts providing verified tyrosinase inhibition, collagen synthesis up-regulation, UV protection, and barrier repair. Deodorized, decolorized, and dermatologically tested for irritation.
Natural antibiotic alternatives (AGP replacement), immunostimulants, and saponin-based gut-modulators tailored for animal health and aquaculture, ensuring zero antibiotic residue in food chains.
In-depth responses covering quality assurance, contract structures, regulatory audits, intellectual property protection, and batch-to-batch repeatability.
Explore our integrated analytical, screening, preclinical research, and commercial-scale phytochemical manufacturing services.
Isolation and characterization of novel secondary plant metabolites using mass spectrometry and phenotypic cellular screening.
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Development and ICH Q2 validation of chromatography standards, identification fingerprints, and assay quantitative markers.
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Rodent disease models, metabolic clearance profiles, safety testing, and organ biodistribution studies for active ingredients.
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Comprehensive chemometric profiling across harvest regions and seasons to optimize target extraction yields.
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Enzymatic target kinetics, cellular pathways, gene expression, and membrane transport assays for dietary supplement candidates.
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Full-scale clinical trial design, hospital ethics committee filings, patient monitoring, and biostatistics under GCP compliance.
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Broad-spectrum discovery across hundreds of natural raw materials, TCM herbs, and hospital botanical preparations.
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Turnkey commercial production: encapsulation, softgel suspension, sterile liquids, blister packaging, and global logistics dispatch.
Request Complete Catalog →Our collaborative research, clinical trials, and manufacturing contracts power China's top pharmaceutical manufacturers, clinical universities, and research institutions.
China Beijing Tongrentang Group
China Resources Sanjiu
Sunflower Pharmaceutical
Livzon Pharmaceutical
Dihon Pharmaceutical
Golden Throat Group
Yangtzi River Pharma
Beihai Gofar Chuanshan
Humanwell Healthcare
SCIMYTH Pharmaceutical
Shandong Hanfang
Luoxin Pharmaceutical
Guangdong Zhongsheng
Hunan Brilliance & Abundance
Apeloa Pharmaceutical
Hunan Heng Chang
Baotou TCM Co.
Kamp Medicine Co.
Guangxi Santo Pharma
Hunan Kangshou
Jiangxi Juwang Pharma
Beijing Tcmages Pharma
Guizhou Ruihe Pharma
Anhui CR Jinchan
Kangmei Pharmaceutical
Hunan Tianjicaotang
Jiangxi Kingstone Unite
Shuguang Hospital (Shanghai)
Hunan Affiliated TCM Hospital
First Hospital Hunan TCM
Second Xiangya Hospital
Second Hospital Hunan TCM
Zhuzhou Orthopedics TCM
Whether you require targeted botanical active screening, full ICH-compliant analytical method development, in vitro/in vivo preclinical validation, or a multi-ton commercial GMP extraction partner—our scientific directors are ready to review your project brief.