Technical Dossier: Analytical Evaluation of Oat Beta-Glucan 70%
Optimizing Formulation Stability, Viscosity Control, and Microbial Integrity in Functional Foods 01. Executive Summary: Beyond the 70% Assay For R&D scientists at global dairy and
EXBIOL manufactures research-grade bioactive neuro-ingredients and pharmaceutical-grade botanical APIs. Engineered for biotech brands and pharmaceutical R&D requiring 100% molecular predictability and low hygroscopicity.

EXBIOL® manufactures high-purity bioactive molecules with batch-level HPLC, LC-MS, and ¹H-NMR structural verification—bridging R&D-scale precision with commercial bulk supply for global pharmaceutical, nutraceutical, and life science applications.
In the world of High-Potency Active Ingredients (HPAI), purity is only the baseline. True quality is defined by molecular stability and pharmacokinetic consistency. At Exbiol, we leverage 29 years of isolation expertise to provide a Power Matrix of our most in-demand molecules. From Bulk Resveratrol (99%) to Pharmaceutical-grade Paracetamol, each ingredient is handled under OEB 4 containment, ensuring that your R&D team receives zero-compromise raw materials for next-generation health solutions.
EXBIOL provides standardized high-purity bioactive ingredients engineered specifically for life science research, pharmaceutical R&D, and advanced nutraceutical formulations. By integrating strict molecular identity verification with controlled physical properties, our active compounds ensure seamless integration into complex delivery systems—including liposomes, micro-encapsulated powders, and oral bioavailable solutions.
High-purity phospholipid choline donor (L-Alpha Glycerylphosphorylcholine). Features specialized anti-hygroscopic granule technology to prevent moisture absorption in stick-pack and capsule lines.
| Assay Purity | ≥ 99.0% / 50.0% Granule |
| Hygroscopic Grade | Stabilized Anti-Caking |
| Formulation Fit | Focus Shots, Nootropic Powders |
| Regulatory Audit | USP Monograph Aligned |
Pharma & Nootropic grade nucleotide precursor. Dual-action catalyst supporting neuronal membrane phospholipid synthesis and brain energy metabolism (ATP) with 100% water solubility.
| Assay Purity | ≥ 99.0% HPLC |
| Solubility Rate | 100% Clear RTD Dissolution |
| Formulation Fit | Cognitive RTD, Pre-Workouts |
| Heavy Metal Standard | < 10 ppm Strict Limit |
Standardized cholinergic loading actives designed for synergistic mental focus formulas. Combines cost-effective choline replenishment with alpha-wave relaxing focus support.
| Choline Bitartrate | L(+) Bitartrate USP Grade |
| L-Theanine Grade | ≥ 98.5% Fermented/Synth |
| Formulation Fit | Daily Focus Capsules, Energy Mints |
| Particle Mesh | 80-120 Mesh Uniformity |
Every active molecule card functions as a Mini-Dossier. Verify critical impurity thresholds, particle mechanics, and technical compliance files before placing commercial bulk orders.
Precision-synthesized bioactive molecules featuring batch-level ¹H-NMR & HPLC verification, customized particle size distribution, and low-solvents control for pharmaceutical, nutraceutical, and life science applications.
| Active Molecule | CAS No. | Assay (HPLC / NMR) | Monograph Standard | Formulation & Bioavailability Engineering | Containment / OEB | Technical File Support |
|---|---|---|---|---|---|---|
| L-Ergothioneine (EGT) → | 497-30-3 | ≥ 99.9% / 99.99% | Enterprise / USP Draft | High Thermal & pH Stability; Water-Soluble Enantiomer | OEB 1 | COA / ¹H-NMR / Chiral HPLC / Stability Data |
| Urolithin A → | 1143-70-0 | ≥ 99.0% | Enterprise Benchmark | Custom Jet-Milled Micronization (D90 < 10µm) | OEB 4 | COA / ¹H-NMR / PSD Malvern / Particle Assay |
| Beta-NMN (Nicotinamide Mononucleotide) → | 1094-61-7 | ≥ 99.5% | USP Monograph Aligned | Anti-Hygroscopic Granulation; High Tapped Density | OEB 1 | COA / ¹H-NMR / LC-MS / Real-Time ICH Stability |
| Spermidine Trihydrochloride → | 334-50-9 | Standardized / ≥ 98.0% | Enterprise Standard | Crystalline Salt Stabilization; High Autophagy Specificity | OEB 2 | COA / ¹H-NMR / Carbon-14 Botanical Origin Audit |
| Alpha GPC (L-Alpha Glycerylphosphorylcholine) → | 28319-77-9 | ≥ 99.0% / 50% Granule | USP Monograph Aligned | Anti-Deliquescent Spray-Dried Powder & Damp-Proof Spec | OEB 1 | COA / Damp-Proof Spec / HPLC Assay / Dissolution |
| Reduced Glutathione (GSH) → | 70-18-8 | ≥ 99.0% | USP / EP Standard | Liposomal-Ready Particle Spec; Anti-Oxidation Shielded | OEB 1 | COA / GC-MS Residual Solvents / Heavy Metals ICP-MS |
| Trans-Resveratrol | 501-36-0 | ≥ 99.0% Trans-Isomer | USP / EP Grade | Micronized (D90 < 15µm); Photostable Packaging Shield | OEB 4 | DMF Support / CEP Dossier / Chiral HPLC Isomer Control |
| Berberine HCl | 633-65-8 | ≥ 97.0% Alkaloid | CP / Enterprise Benchmark | Controlled Solubility; Granulated for Fast Tableting Compression | OEB 3 | HPLC Fingerprint / Adulteration Audit / Solvent Profile |
High-potency bioactive molecules demand strict scientific rigor beyond basic assay compliance. At EXBIOL®, supplier qualification is established on batch-verified isomeric purity, ultra-low residual solvents, and custom particle size distribution (PSD). Engineered to support pharmaceutical and biotech R&D, our high-purity active ingredients address critical dissolution, stability, and formulation performance challenges in advanced delivery systems.
For bioactive molecules such as Trans-Resveratrol or Urolithin A, standard assay purity is insufficient. We verify active trans-isomer ratios via HPLC-DAD and $^1\text{H-NMR}$, ensuring controlled chiral specifications and eliminating uncharacterized diastereomeric impurities for consistent bio-efficacy.
Overcoming the dissolution constraints of hydrophobic active compounds. We offer precision Jet-Milling Micronization (D90 < 10µm) and customized bulk density control to optimize powder flowability and tablet/capsule filling performance.
Utilizing specialized multi-stage isolation and vacuum drying protocols, our facilities maintain residual organic solvents far below ICH Q3C and USP <467> Class 2/3 thresholds. Batch-specific HS-GC profiles guarantee clean-label compatibility for EU/US regulatory filings.
High-potency active molecules frequently encounter performance bottlenecks during pilot-to-commercial scale-up due to hidden particle instability, poor dissolution profiles, or unoptimized flowability. At EXBIOL®, we systematically resolve these challenges before materials reach your production line—engineering Critical Quality Attributes (CQAs) to guarantee predictable encapsulation, zero machine downtime, and batch-to-batch pharmacokinetic reproducibility.
Unstabilized 99% Alpha GPC powder absorbs ambient moisture rapidly within minutes of exposure, leading to hygroscopic caking, sticky gel transformation, and capsule shell liquefaction during high-speed encapsulation.
We supply micro-encapsulated 50% Dicalcium Phosphate / Mannitol stabilized granules engineered specifically to guarantee free-flowing performance on high-speed automatic encapsulation lines.
Standard UV assay testing often fails to detect inactive regio-isomers, subtle degradation products, or trace Class 2 residual solvents. Establishing absolute molecular identity requires a multi-tiered analytical approach—combining ¹H-NMR spectroscopy, high-resolution LC-MS, and chiral HPLC to confirm stereochemical purity and ICH compliance prior to formulation.
Isolation facility with 500+ tons annual capacity.
Negative-pressure suites for active molecules.
Phytochemical synthesis & isolation mastery.
24-month potency retention under global protocol.
Verify molecular identity and structural purity against standard reference spectra. Eliminate batch-to-batch structural variance before commercial blending.
Quantitative screening for heavy metals, microbial counts, residual solvents via Headspace GC-MS, and related substance limits matching USP monographs.
Complete compliance documentation required for US/EU market registration, including independent third-party lab re-testing verification.
Our analytical R&D chemists provide custom particle engineering and solution stability consulting.
Unplanned international logistics delays, regulatory customs holds, and fluctuating tariff structures introduce significant risk to commercial manufacturing schedules. Maintaining local, pre-cleared inventories within strategic US and EU warehousing hubs ensures predictable 48-to-96-hour DDP (Delivered Duty Paid) door-to-door fulfillment—eliminating import compliance friction and protecting downstream production timelines.
Warehouses situated in California & New Jersey. Pre-inspected inventory duty-paid for fast domestic FedEx/Freight dispatch across North America.
Rotterdam hub servicing EU nutraceutical and pharmaceutical formulators under strict REACH and EU food-grade compliance terms.
Direct dispatch from our Xi'an manufacturing base for custom mesh, micronized orders, or multi-ton bulk commercial contracts.
Standardized botanical solutions for global manufacturers. Our expert team will review your technical requirements and respond within 48 hours.
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Clear, analytical answers for R&D formulators, QA auditors, and global procurement managers sourcing High-Potency Active Ingredients (HPAIs).
We validate isomeric configuration using high-resolution Chiral HPLC-DAD and 1H-NMR (Proton Nuclear Magnetic Resonance) spectroscopy. For Trans-Resveratrol, each batch is screened to guarantee ≥ 99.0% Trans-isomer purity with non-detectable Cis-Resveratrol contamination (which exhibits significantly lower biological activity).
Similarly, for L-Ergothioneine, our chiral separation protocols verify 100% optical purity for the natural L-enantiomer to match human OCTN1 transporter specificity.
Yes. All EXBIOL HPAI molecules strictly adhere to USP <467> and ICH Q3C (R6) Impurity Guidelines for Residual Solvents. Screening is conducted via Headspace Gas Chromatography with Flame Ionization Detection / Mass Spectrometry (HS-GC-MS).
Class 1 solvents are strictly prohibited in our processing, while Class 2 and Class 3 solvents (such as Ethanol, Ethyl Acetate, and Isopropanol) are kept well below maximum allowable monograph thresholds, ensuring safe compliance for pharmaceutical and dietary supplement registrations.
Absolute control over physical properties is a core EXBIOL capability. We operate specialized Jet-Milling Micronization units capable of delivering precise particle size distribution down to D90 < 10µm for improved bioavailability and rapid dissolution in oral dosage forms.
For encapsulation and direct compression tableting, we also control tapped/bulk density (range 0.35 g/mL – 0.65 g/mL) and offer anti-hygroscopic micro-encapsulated granules to eliminate powder segregation and machine downtime.
Our isolation facility features dedicated negative-pressure cleanroom suites engineered to OEB 4 (Occupational Exposure Band 4) standards, handling highly active compounds with occupational exposure limits (OEL) between 1 µg/m³ and 10 µg/m³.
Processes utilize isolated glovebox charging, HEPA-filtered HVAC containment, and continuous environmental monitoring to guarantee zero batch-to-batch cross-contamination and operator safety.
Yes. We offer US FDA Drug Master File (USDMF) numbers, CEP (Certificate of Suitability), and ASMF technical packages for our key pharmaceutical-grade molecules.
Our regulatory team supports client filings with complete CTD (Common Technical Document) Module 3 data, including synthetic route verification, batch analytical records, validation protocols, and 24-month real-time stability data compiled under ICH Q1A(R2) standards.
To prevent ambient oxidation, moisture deliquescence, and UV degradation during global freight, active powders are sealed inside double food-grade polyethylene bags, inserted into a heavy-duty vacuum-sealed heat-shield aluminum foil pouch with desiccants, and packed in UN-certified fiber drums.
For moisture-sensitive Actives like 99% Alpha GPC, we apply industrial nitrogen flushing prior to final heat sealing.
For standard specifications, stocked items at our US (California/NJ) and EU (Netherlands) hubs are dispatched within 24 to 48 hours under DDP (Delivered Duty Paid) terms, delivering directly to your manufacturing facility without customs delays.
For direct factory production of multi-ton commercial orders or custom particle specifications, standard air-freight lead time is 5 to 7 business days, while ocean freight contracts average 18 to 22 days.
Absolutely. We encourage rigorous pre-purchase analytical testing. R&D evaluation samples (typically 100g, 250g, or 1kg pilot packs) are dispatched via DHL/FedEx Express alongside a batch-specific Certificate of Analysis (COA).
Upon request, we also provide our internal Method of Analysis (MOA / HPLC protocol) and raw chromatogram files to help your analytical lab replicate assay parameters effortlessly.
Our 26,000 m² vertical isolation base in Xi'an operates under rigorous global quality systems. Core facility accreditations include:
• cGMP (Current Good Manufacturing Practice) certified
• ISO 22000:2018 & FSSC 22000 Food Safety Systems
• ISO 9001:2015 Quality Management Systems
• US FDA Facility Registered (#14285918231)
• Kosher & Halal Certified | Non-GMO & BSE/TSE-Free Declarations
Third-party facility audits by independent laboratories (e.g., Eurofins, NSF, SGS) are welcomed upon agreement.
Speak directly with our Chief Analytical Chemist or Senior Formulation Engineer.