Engineered for maximum bio-potency, bioavailability, and thermal stability. Our contract encapsulation solutions meet rigorous analytical specifications for brands across the Oklahoma City metropolitan corridor.
Contract manufacturing of soft gelatin capsules (softgels) and two-piece hard shell capsules requires rigorous control over physical chemistry, thermodynamics, and mechanical rheology. When formulating lipophilic, lipid-suspended, or hygroscopic active pharmaceutical and nutraceutical ingredients (APIs), ensuring chemical stability, uniform dosage weight, and optimal biological absorption demands precise engineering. Shaanxi ESNO Biotech Co., Ltd. operates pharmaceutical-grade rotary die encapsulation equipment within ISO Class 7 (Class 10,000) cleanroom environments, delivering high-stability oral dosage delivery systems.
Softgel encapsulation involves the synchronized feeding of two plasticized gelatin ribbons into contra-rotating dies. Simultaneously, a positive displacement metering pump injects liquid, paste, or suspension fills via a precision-machined wedge. The hermetic seal forms through an interplay of wedge temperature (37°C – 42°C), localized pressure, and ribbon moisture content. Our automated ribbon-thickness laser gauges maintain shell thickness tolerances within ±0.02 mm, preventing micro-pinholes, seam failures, and active ingredient migration.
| Delivery Parameter | Standard Bovine Gelatin | Marine Gelatin (Fish) | Vegetarian Pectin / Tapioca | Liquid-Filled Hard Shell (LFHC) |
|---|---|---|---|---|
| Thermal Stability Window | Up to 38°C (100°F) | Up to 34°C (93°F) | Up to 55°C (131°F) | Up to 60°C (140°F) |
| Equilibrium Relative Humidity (ERH) | 30% – 45% | 28% – 40% | 20% – 65% | 15% – 70% |
| Disintegration Time (USP <2040>) | < 15 minutes | < 12 minutes | < 20 minutes | < 10 minutes |
| Lipid Vehicle Compatibility | MCT, Omega-3, Phospholipids | Fish oils, Astaxanthin | Botanical oils, CoQ10 | Dual-phase, Pellets-in-Liquid |
| Cross-Linking Susceptibility | Moderate (Mitigated via Succinylation) | Low | Zero Cross-Linking | Zero Cross-Linking |
Cross-linking represents a critical degradation mechanism in gelatin-based softgels, triggered by active aldehydes, reducing sugars, and storage under thermal stress. This process causes gelatin molecules to form insoluble covalent peptide bonds, extending capsule disintegration time and preventing drug release. ESNO Biotech solves this problem using succinylated bovine gelatin and modifying shell formulations with hydrolytic gelatin peptides and protective plasticizers (such as sorbitol-special or glycerin blends). This safeguards dissolution rates across a 36-month shelf life, verified through USP <711> dissolution testing.
Oklahoma City is an emerging hub for bioscience and health enterprise. Discover how our OEM softgel and capsule manufacturing capabilities align with local commerce, sports institutions, and healthcare systems.
Serving biopharma incubators and translational medicine startups near the University of Oklahoma Health Sciences Center (OUHSC). We supply small-batch pilot trials, analytical validation, and clinical research supplies for innovative nutritional molecules.
Formulating high-absorption sports nutrition for competitive collegiate athletes and professional training facilities throughout Oklahoma. Products include clean-label creatine suspensions, electrolyte lipid carriers, and NSF-certified anti-inflammatory softgels.
Supporting integrative clinics, compounders, and regional health systems throughout Edmond, Norman, and OKC. We manufacture targeted cardiovascular enzymes like lumbrokinase, bioavailable Alpha GPC, and high-potency Omega-3s with complete batch transparency.
Positioned along the I-35, I-40, and I-44 corridors with direct access to Will Rogers World Airport. OKC functional food brands benefit from rapid cross-docking, Midwest warehousing, and nationwide distribution with minimal domestic freight transit times.
Oklahoma City experiences dramatic climate swings, with summer temperatures routinely exceeding 100°F (38°C) alongside high humidity. Standard commercial softgels face significant physical failure risks during Midwest transit, cross-docking, and last-mile delivery. Excessive heat and humidity cause gelatin shells to absorb ambient moisture, softening the structural matrix, promoting inter-capsule clumping (twinning), and triggering shell rupture or oil leaks.
To eliminate product loss for our Oklahoma-based partners, ESNO Biotech uses advanced environmental packaging and formulation safeguards:
Strategic market analysis highlights significant commercial opportunities for brand developers and private label owners entering the regional nutraceutical sector.
Consumer demand across the Southern Midwest is rapidly shifting from conventional compressed tablets toward liquid-filled softgels. Bioactive ingredients like CoQ10, Curcumin, and Liposomal Vitamin C deliver significantly higher Cmax plasma concentrations when suspended in self-emulsifying drug delivery systems (SEDDS), a major selling point for educated OKC consumers.
Driven by conscious consumer trends in urban areas like Midtown OKC, Nichols Hills, and Norman, demand for non-GMO, Halal, Kosher, and vegan-certified delivery formats is growing at 11.4% CAGR. Plant-origin tapioca and modified starch softgels deliver clean-label transparency while eliminating common allergen concerns.
Oklahoma City has become a central distribution point for direct-to-consumer health brands leveraging Amazon multi-fulfillment centers. Successful operations demand suppliers who provide turnkey FBA prep, lot-traceable 2D matrix coding, and compliance documentation that easily clears Amazon Supplement Gating audits.
Every softgel and hard-shell capsule lot produced for our Oklahoma partners runs through a validated 5-stage manufacturing cycle that aligns with NSF 455-2, ISO 22000, and FDA 21 CFR Part 111 cGMP standards.
Identity testing using FTIR, active compound quantification via HPLC, and heavy metals screening via ICP-MS prior to cleanroom release.
Vacuum-assisted gelatin melting, automated deaeration, and ultra-shear fill homogenization to guarantee zero air entrapment.
High-precision micro-metered fill injection into synchronized rotating dies with laser-monitored seam formation.
Two-phase moisture extraction: progressive rotational drying followed by HEPA-controlled tunnel curing to exact equilibrium hardness.
360-degree optical cameras inspect and remove visual imperfections before automated cleanroom bottling and tamper-proof induction sealing.
Shaanxi ESNO Biotech Co., Ltd. combines nearly two decades of precision botanical extraction and pharmaceutical contract manufacturing with audited global supply chain reliability.
Our facilities are audited to NSF 455-2 GMP, ISO 22000, HACCP, and EU/USDA Organic standards. We are verified on-site by TÜV Rheinland, providing complete peace of mind for corporate compliance teams.
Because we extract raw botanical actives in-house—including standardized Shilajit, Lion's Mane, and adaptogens—our clients benefit from direct botanical supply integrity, avoiding secondary broker markups and adulteration risks.
Every commercial shipment includes a comprehensive Certificate of Analysis (COA) confirming physical dimensions, active assay potency, microbial limits (USP <2021/2022>), and heavy-metal thresholds conforming to California Prop 65.
Detailed answers covering regulatory compliance, minimum order quantities, thermal logistics, and formulation services for Oklahoma brands.
For standard stock private label formulas (such as the 8 formulations showcased above), our MOQs begin at just 100 to 500 finished consumer units, making market entry easy for boutique wellness brands and regional clinics. For custom bespoke formulations requiring custom tooling, active compound mixing, or novel dye matching, softgel MOQs generally start around 150,000 to 300,000 bulk softgels, or roughly 2,500 packaged bottles (60-count).
We strictly comply with FDA 21 CFR Part 111 (Current Good Manufacturing Practice in Manufacturing, Packaging, Labeling, or Holding Operations for Dietary Supplements). Our quality system maintains complete lot-traceable Master Manufacturing Records (MMRs) and Batch Production Records (BPRs). We conduct comprehensive raw material identity verification, run environmental contamination controls, validate equipment cleaning, and provide validated analytical test methods for all active markers.
Yes. When shipping during peak Midwest heatwaves (June through September), we use temperature-controlled reefers for domestic line-hauls, insulated foil-bubble thermal palette wraps, and qualified phase-change material (PCM) gel refrigerant packs for air cargo. We also modify softgel formulas with heat-resistant plasticizer balances and offer vegetarian tapioca shells that resist thermal deformation up to 55°C.
Every delivered batch includes a lot-specific Certificate of Analysis (COA) containing: active assay potency (HPLC/UV), disintegration and dissolution verification (USP <2040>), microbial limits testing (Total Aerobic Count, Yeast/Mold, E. coli, Salmonella, S. aureus), and heavy metals quantification via ICP-MS (Lead, Cadmium, Arsenic, Mercury). Additional third-party test reports from ISO 17025 accredited labs are available upon request.
Yes. Our in-house R&D team has developed over 400 unique formulas for international clients. We assist with vehicle-solvent optimization, particle size micronization, physical active-to-excipient compatibility, organoleptic masking for oils, and accelerated stability testing (ICH Q1A R2 protocols: 40°C/75% RH for 6 months), delivering market-ready products with proven shelf lives.
We offer comprehensive DDP (Delivered Duty Paid) shipping solutions. Our international logistics partners oversee export customs filings, US Customs and Border Protection clearances, FDA Prior Notice entries, and inland intermodal transport directly to your warehouse, retail hub, or 3PL facility anywhere across Oklahoma City, Norman, Edmond, or Tulsa.
Connect with our technical formulation engineers today. Request product specifications, order a pilot sample kit, or get a competitive commercial manufacturing proposal for your brand.