Global Pharmacopeia Compliant CDMO & CRO

China Phytochemical Compounds Manufacturers & Suppliers

Pioneering evidence-based active ingredient screening, HPLC/HPTLC method validation, preclinical in vitro & animal bio-assays, and commercial GMP-grade contract manufacturing (OEM/CDMO) for international pharmaceutical and nutraceutical innovators.

Primary Botanical CRO & CDMO Solutions

Standardized Phytochemical Development Portfolio

Verified botanical active screening, pharmacological validation pipelines, and contract manufacturing services engineered to satisfy ICH, US FDA, and EMA regulatory standards.

OEM Animal Study Supplier, Suppliers
Preclinical CRO In Vivo

OEM Animal study Supplier, Suppliers

Rodent and mammalian pharmacokinetics, in vivo efficacy validation, acute & subchronic LD50 toxicology models for botanical actives.

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ODM Study and evaluation of the potency of botanical active ingredients
Botanical Sourcing Science

ODM Study and evaluation of the potency of the botanical active ingredient(s) from different seasons and different origins. Manufacturer, Suppliers

Multi-origin spatial and seasonal potency mapping to identify Daodi geo-authentic biomass with peak secondary metabolite concentration.

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OEM In Vitro Test Research Service Manufacturers, Suppliers
Cellular Assay Screening

OEM In Vitro Test /Research Service Manufacturers, Suppliers

High-throughput cellular receptor binding, anti-inflammatory, antioxidant, glucose regulation, and enzymatic inhibitory assays.

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ODM Clinic study Phase1 Phase 4 Manufacturer Suppliers
Human Clinical Trials

ODM Clinic study (Phase1 - Phase 4) Manufacturer, Suppliers

GCP-compliant human clinical verification for NDA botanical drug candidates and double-blind dietary supplement efficacy validation.

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China Screening of the active ingredients of plants Manufacturer, Manufacturers
Discovery Phytochemistry

China Screening of the active ingredient(s) of plants Manufacturer, Manufacturers

Isolation and bio-guided fractionation of alkaloids, polyphenols, flavonoids, and triterpenoids using high-resolution chemometrics.

Screen Target Actives →
China Establishment of analysis methods of active ingredients Supplier, Suppliers
Analytical Validation

China Establishment of analysis methods of active ingredient(s) Supplier, Suppliers

Chromatographic fingerprinting, HPLC/UPLC-MS/MS assay establishment, and reference standard characterization per USP & Ph. Eur.

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Natural herbal formulation research service
Formulation & Bioavailability

Natural Herbal Formulation Research & Synergistic API Blending

Modernization of 83 classic TCM therapeutic recipes into standardized, high-bioavailability extracts and micro-encapsulated formulations.

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Contract manufacturing OEM for botanical active ingredients
GMP Extraction Manufacturing

Contract Manufacturing (OEM/CDMO) for Phytochemical Actives

Multi-ton commercial isolation: concentrated liquids, micro-milled extract powders, purified crystals, and volatile botanical terpenes.

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Industrial White Paper • Strategic Insights

Engineering Certainty into Global Botanical Supply Chains

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.

Geo-Authentic Botanical Integrity

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.

  • GPS-monitored harvest zones across Hunan, Sichuan, Yunnan
  • Elimination of counterfeit biomass via DNA barcoding
  • Phenological potency indexing across 4 distinct seasonal phases

Advanced Engineering & Separation Purity

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.

  • Standardized isolates up to 99.5% chromatographic purity
  • Solvent residues restricted far below ICH Q3C Option 1 limits
  • Preservation of thermosensitive glycosides and sesquiterpenes

End-to-End CRO-to-CDMO Transition

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.

  • Seamless tech transfers from 5-liter pilot units to 10,000-liter vats
  • Full IND / NDA-grade documentation and dossier submission
  • Comprehensive IP protection under strict non-disclosure mandates

14+

Years of Botanical R&D

300+

Dedicated Scientists & Staff

100+

Pharma Groups & Hospitals Served

83

Classic TCM Formulas Modernized

22

Innovative Natural Medicines

~400

Single-Herb Standards Established

Analytical Metrology & Quality Control

Eliminating Adulteration Through Multi-Dimensional Fingerprinting

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

Chromatographic Fingerprinting

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.

QAMS (Quantitative Analysis)

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.

Accelerated & Real-Time Stability

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.

Systematic R&D Pipeline

6-Stage Translation: From Raw Herb to Market Delivery

Every phase delivers concrete analytical, chemical, and biological proof. Global pharmaceutical and consumer brands can onboard at any discrete stage or commission turnkey execution.

01 Discovery

Screen & Target Identification

High-throughput phenotypic screening, molecular docking, and literature curation across 83 classic formulations to isolate target chemical families (alkaloids, polyphenols, saponins).

Deliverable: Phytochemical Discovery Dossier
02 Agronomy

Origin & Phenology Mapping

Quantitative potency profiling across 10+ geographic origins and 4 harvest windows to lock down biomass with the highest secondary metabolite density and sustainability.

Deliverable: Daodi Raw Material Specification
03 Analytics

Method Validation (ICH Q2)

Establishing HPTLC, HPLC-MS/MS, and GC fingerprint methods, establishing standard reference markers, and designing assay limits that withstand international inspection.

Deliverable: Validated QC Assay Protocols
04 Preclinical

In Vitro & Animal Testing

Executing in vitro cellular assays (cytotoxicity, antioxidant, metabolic pathways) alongside GLP-aligned animal pharmacology and safety tests (LD50, acute, chronic, genotoxicity).

Deliverable: Preclinical Safety & Efficacy Package
05 Clinical

Human Clinical Trials (Phase I–IV)

Executing pilot human trials for supplement efficacy claims and randomized, double-blind, placebo-controlled Phase I-IV trials for new botanical drug applications (NDA).

Deliverable: GCP Statistical Clinical Report
06 Scale-Up

Commercial GMP OEM/CDMO

Tech transfer into pilot plants and automated 10,000-liter GMP extraction facilities. Commercial packaging in powders, liquids, softgels, tablets, and standardized bulk extracts.

Deliverable: Commercial Batches & Full COA
B2B Procurement Solutions

Macro Phytochemical Applications for Global Markets

Serving enterprise procurement officers, formulation chemists, and research directors across diverse life-science sectors.

Pharma & Botanical Drug Candidates

For pharmaceutical entities filing Investigational New Drugs (IND) or Natural Medicine registrations. Standardized fractions with defined pharmacological mechanisms, validated LD50 values, and DMF documentation.

Nutraceuticals & Functional Foods

For supplement brands demanding clinically supported claims. Water-soluble, granulated powders, microencapsulated extracts, and standardized polyphenols engineered for capsules, effervescents, and functional beverages.

Cosmeceuticals & Dermo-Cosmetics

Clean-label plant extracts providing verified tyrosinase inhibition, collagen synthesis up-regulation, UV protection, and barrier repair. Deodorized, decolorized, and dermatologically tested for irritation.

Veterinary Phytogenics & Feed Additives

Natural antibiotic alternatives (AGP replacement), immunostimulants, and saponin-based gut-modulators tailored for animal health and aquaculture, ensuring zero antibiotic residue in food chains.

Procurement & Technical FAQ

Frequently Answered Technical & Commercial Questions

In-depth responses covering quality assurance, contract structures, regulatory audits, intellectual property protection, and batch-to-batch repeatability.

What differentiates MedGence (Yineng Pharma) from conventional Chinese plant extract traders?
Unlike commercial traders who broker low-cost, unstandardized botanical powder, MedGence is a research-first natural medicine CRO/CDMO. We have over 14 years of research expertise, over 300 research scientists, and an empirical database built on 83 modernized classical TCM formulations and nearly 400 single-herb quality standards. We maintain in-house GLP/GCP-aligned preclinical laboratories, pilot manufacturing units, and automated GMP production lines, managing the entire lifecycle from raw material screening and validated HPLC/HPTLC assays to human clinical verification and finished formulation manufacturing.
How do you solve batch-to-batch chemical variations inherent in natural botanical biomass?
Botanical variability is governed by weather, soil chemistry, harvest timing, and genetic variance. We mitigate this through our proprietary 3-point standardization protocol: First, we conduct origin and seasonal potency evaluations to secure raw materials solely from verified Daodi agricultural regions during peak harvest windows. Second, we establish chromatographic fingerprinting alongside multi-marker QAMS testing to monitor key active ingredients as well as total chemical profiles. Third, during our continuous extraction and purification processes, we adjust blending and separation parameters to ensure commercial batches consistently match tight specifications (typically ±0.5% to ±2% target assay).
Can MedGence support our botanical Investigational New Drug (IND) or New Drug Application (NDA)?
Yes. We have developed 22 innovative natural medicines and secured 56 hospital preparation registrations within China. We support overseas clients by preparing complete Chemistry, Manufacturing, and Controls (CMC) dossiers, developing and validating analytical methodologies per ICH Q2 standards, conducting GLP animal safety studies (LD50, 90-day repeat dose subchronic toxicity, Ames bacterial reverse mutation, chromosome aberration assays), and managing Phase I through Phase IV clinical studies.
How is our proprietary formula, extraction IP, and project know-how protected under Chinese jurisdiction?
We operate exclusively on an entrusted research and contract manufacturing model under legally binding, bilingual Non-Disclosure and Non-Use Agreements (NDAs). MedGence treats all client parameters—including target ratios, unique solvent systems, and clinical indications—as trade secrets. Physical cleanrooms and synthesis suites can be isolated for client-specific batches, and access to research databases is restricted through strict role-based electronic authorizations.
What analytical testing methods are utilized for heavy metals, pesticides, and residual solvents?
Our quality testing laboratories are equipped with state-of-the-art instrumentation: Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for heavy metals (meeting USP <232>/<233> and Ph. Eur. 2.4.27 limits), Triple Quadrupole GC-MS/MS and LC-MS/MS for 500+ pesticide residues (compliant with USP <561> and European Pharmacopoeia 2.8.13), Headspace Gas Chromatography (HS-GC-FID) for ICH Q3C residual solvents, and HPLC with fluorescence detection for mycotoxins and aflatoxins.
What dosage forms and physical deliverables can be produced at commercial scale?
Our CDMO capabilities support both bulk botanical APIs and finished pharmaceutical/nutraceutical formulations:

Active Ingredient Deliverables: Supercritical botanical extracts, vacuum spray-dried powders, standardized crystalline isolates, concentrated aqueous/ethanolic liquids, and pure steam-distilled volatile oils.

Finished Dosage Forms: Oral liquids, hard gelatin/vegetarian capsules, high-potency softgels, precision-compressed tablets (film-coated or chewable), micro-granules, and effervescent soluble sachets.
What are your typical minimum order quantities (MOQ) and tech transfer lead times?
For custom analytical method development or screening studies, pilot cohorts begin at 1 kg. Commercial-scale OEM production runs typically start at 25 kg to 100 kg for high-potency purified isolates, and 500 kg to multi-ton lots for standardized herbal extracts. Technical transfer and method re-validation require approximately 4 to 8 weeks, while standard repeat commercial production is dispatched within 15 to 20 working days.
Contract CDMO & Sourcing Catalog

Enterprise Botanical Manufacturing Solutions

Explore our integrated analytical, screening, preclinical research, and commercial-scale phytochemical manufacturing services.

Screening of the active ingredients of plants
Discovery Services

China Screening of the active ingredient(s) of plants Manufacturer, Manufacturers

Isolation and characterization of novel secondary plant metabolites using mass spectrometry and phenotypic cellular screening.

Inquire for Screening →
Establishment of analysis methods of active ingredients
Analytical Metrology

China Establishment of analysis methods of active ingredient(s) Supplier, Suppliers

Development and ICH Q2 validation of chromatography standards, identification fingerprints, and assay quantitative markers.

Validate Methodologies →
OEM Animal Study Supplier
Preclinical Pharmacology

OEM Animal study Supplier, Suppliers

Rodent disease models, metabolic clearance profiles, safety testing, and organ biodistribution studies for active ingredients.

Book Animal Trials →
ODM Study and evaluation of botanical potency
Daodi Provenance

ODM Study and evaluation of the potency of the botanical active ingredient(s) from different seasons and different origins. Manufacturer, Suppliers

Comprehensive chemometric profiling across harvest regions and seasons to optimize target extraction yields.

Request Potency Report →
In Vitro Test Research Service
Assay CRO

OEM In Vitro Test /Research Service Manufacturers, Suppliers

Enzymatic target kinetics, cellular pathways, gene expression, and membrane transport assays for dietary supplement candidates.

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ODM Clinic Study Phase 1 - Phase 4
Clinical Research

ODM Clinic study (Phase1 - Phase 4) Manufacturer, Suppliers

Full-scale clinical trial design, hospital ethics committee filings, patient monitoring, and biostatistics under GCP compliance.

Initiate Clinical Study →
Active ingredients screening manufacturer supplier
Screening Architecture

Active Ingredients Screening Specialized Service Hub

Broad-spectrum discovery across hundreds of natural raw materials, TCM herbs, and hospital botanical preparations.

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CDMO contract manufacturing for finished herbal products
Commercial Supply

Finished Product OEM/CDMO Manufacturing & Packaging

Turnkey commercial production: encapsulation, softgel suspension, sterile liquids, blister packaging, and global logistics dispatch.

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Industry Leadership & Credibility

Trusted by China's Foremost Pharma Groups & TCM Hospitals

Our collaborative research, clinical trials, and manufacturing contracts power China's top pharmaceutical manufacturers, clinical universities, and research institutions.

China Beijing Tongrentang Group China Beijing Tongrentang Group
China Resources Sanjiu China Resources Sanjiu
Sunflower Pharmaceutical Group Sunflower Pharmaceutical
Livzon Pharmaceutical Group Livzon Pharmaceutical
Dihon Pharmaceutical Group Dihon Pharmaceutical
Golden Throat Holdings Group Golden Throat Group
Yangtzi River Pharmaceutical Group Yangtzi River Pharma
Beihai Gofar Chuanshan Biological Beihai Gofar Chuanshan
Humanwell Healthcare Group Humanwell Healthcare
SCIMYTH Pharmaceutical Group SCIMYTH Pharmaceutical
Shandong Hanfang Pharmaceutical Shandong Hanfang
Luoxin Pharmaceutical Group Luoxin Pharmaceutical
Guangdong Zhongsheng Pharmaceutical Guangdong Zhongsheng
Hunan Brilliance & Abundance Scientific Hunan Brilliance & Abundance
Apeloa Pharmaceutical Apeloa Pharmaceutical
Hunan Heng Chang Pharmaceutical Group Hunan Heng Chang
Baotou Traditional Chinese Medicine Baotou TCM Co.
Kamp Medicine Co. Kamp Medicine Co.
Guangxi Santo Pharmaceutical Guangxi Santo Pharma
Hunan Kangshou Pharmaceutical Hunan Kangshou
Jiangxi Juwang Pharmaceutical Industry Jiangxi Juwang Pharma
Beijing Tcmages Pharmaceutical Beijing Tcmages Pharma
Guizhou Ruihe Pharmaceutical Guizhou Ruihe Pharma
Anhui CR Jinchan Pharmaceutical Anhui CR Jinchan
Kangmei Pharmaceutical Kangmei Pharmaceutical
Hunan Tianjicaotang Pharmaceutical Hunan Tianjicaotang
Jiangxi Kingstone Unite Pharmaceutical Jiangxi Kingstone Unite
Shuguang Hospital Affiliated to Shanghai University of TCM Shuguang Hospital (Shanghai)
Hunan Province Directly Affiliated TCM Hospital Hunan Affiliated TCM Hospital
First Hospital of Hunan University of Chinese Medicine First Hospital Hunan TCM
Second Xiangya Hospital of Central South University Second Xiangya Hospital
Second Hospital of Hunan University of Chinese Medicine Second Hospital Hunan TCM
Zhuzhou Orthopedics Hospital of TCM Zhuzhou Orthopedics TCM

Accelerate Your Phytochemical Pipeline Today

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.