Oyster Mushroom Extract
Latin Name: Pleurotus ostreatus
Raw Material Alias: Pleurotus, Green Mushroom, Beifeng Mushroom, Rough-skinned Pleurotus, Hau Mushroom, Black Peony Mushroom, etc.
Detection Method: TLC/UV
Character: Brown-yellow powder
Mesh Size: Screened through 80 - 100 mesh Product Packaging: 1 kg/aluminum foil bag; 25 kg/cardboard drum Storage Conditions: In a cool, dry, dark place away from high temperatures
Validity Period: 24 months
Technical Data Sheet (TDS) & Specification Portfolio
| Analytical Parameter | Target Specification Limit | Typical Batch Result | Validated Methodology |
|---|---|---|---|
| Taxonomic Botanical Source | Fruiting Body of Pleurotus ostreatus (Jacq.) P.Kumm. | Verified | HPTLC Identity Profiling |
| Active β-Glucan Content | ≥ 30.0% (Excluding alpha-glucans) | 32.15% | Megazyme Enzymatic (K-YBGL) |
| Natural Lovastatin (Mevinolin) | ≥ 0.50% - 1.00% (HPLC Standardized) | 0.74% | HPLC (USP <621>) |
| Endogenous L-Ergothioneine | ≥ 0.10% (High-density antioxidant) | 0.14% | HPLC-MS/MS |
| Bulk / Tapped Density | 0.40 g/ml - 0.55 g/ml / 0.50 g/ml - 0.65 g/ml | 0.45 g/ml / 0.56 g/ml | USP <616> Method I |
| Aqueous Solubility | ≥ 95% soluble in water at 25°C | Complies | Gravimetric Dispersion |
| Heavy Metal Impurites | Pb ≤ 1.0 ppm, As ≤ 0.5 ppm, Cd ≤ 0.5 ppm | Complies | ICP-MS (USP <233>) |
| Microbiological Limits | Total Plate ≤ 1000 CFU/g | Pathogens: Negative | Complies | USP <2021> / <2022> |
Manufacturing & Processing Excellence
Microwave-Assisted Extraction
Standard hot-water extractions often cause thermal degradation of sensitive bio-actives. Xi'an Tihealth deploys dynamic microwave-assisted water extraction. This advanced electromagnetic process rapidly penetrates the fungal cell walls, maximizing the release and structural preservation of high-molecular-weight β-glucans and fragile phenolic compounds.
Sub-Micron Membrane Dialysis
Crude extracts typically contain heavy, insoluble chitins that cause sedimentation in liquids. We utilize precise sub-micron cross-flow membrane filtration. This critical step strips away macro-molecular plant debris, heavy waxes, and residual fibers, resulting in a highly purified, water-soluble extract ideal for diverse liquid dose forms.
Strict Qinling Soil Auditing
Mushrooms are hyper-accumulators of heavy metals from the soil. We bypass wild-harvesting risks by sourcing exclusively from controlled, indoor-cultivated fruiting bodies in the Qinling Mountains. Every batch is rigorously audited via ICP-MS, guaranteeing that heavy metals and pesticide residues remain strictly below FDA and EU limits.
Biochemical Mechanisms & Formulation Synergy
HMG-CoA Reductase Modulation (Lipid Regulation)
Standardized Oyster Mushroom extract is clinically recognized for its profound cardiovascular benefits. The natural statin-like compound Lovastatin (Mevinolin) specifically binds to and downregulates hepatic HMG-CoA reductase, assisting in the physiological modulation of LDL-C and triglycerides within healthy ranges.
OCTN1-Mediated Mitochondria Defense (L-Ergothioneine)
Rich in endogenous L-Ergothioneine, the compound utilizes the specific, highly localized OCTN1 transport protein to directly enter the cytoplasm and mitochondria. Once inside, it acts as an efficient free-radical scavenger, protecting mitochondrial DNA from environmental oxidative stress and premature senescence.
Adipocyte Differentiation Inhibition (Weight Management Support)
Emerging in-vitro studies (specifically 3T3-L1 pre-adipocyte assays) demonstrate that the unique combination of fungal alkaloids and complex phenolic acids within our extract downregulates C/EBPα expression, physically inhibiting pre-adipocyte differentiation to support advanced weight management and metabolic-health complexes.
Industrial Formulation Applications
Lipid-Management Formulas
An ideal synergistic active intermediate to blend alongside Red Yeast Rice, Coenzyme Q10, and Phytosterols in high-end cardiovascular-support capsules.
Metabolic Syndrome & PCOS Supports
Heavily sourced for targeted formulations addressing blood-sugar kinetics, insulin sensitivity, and ovarian cellular protection elixirs.
Anti-Photoaging Skin Serums
Rich in natural L-Ergothioneine, it acts as a superior, stable topical antioxidant in premium skin serums to target UV-induced mitochondrial DNA damage.
Ready-to-Drink Energy Complexes
Due to our advanced molecular membrane separation, the powder disperses seamlessly, perfect for compiling premium functional elixirs and non-sedimenting sachets.
B2B Customization & Procurement Logistics
♦ Precise Active Customization
We support customized ratios of active compounds. Whether your formulation requires a higher polysaccharide focus for immunity or a heavy Lovastatin concentration for lipid lines, we adjust our extraction configurations to your exact spec.
♦ Traceable cGMP Production
Real-time batch-to-batch monitoring ensures continuous chemical stability. Full analytical documentation is provided, verifying heavy metals, pathogens, and pesticide residues strictly comply with USP and EP monographs.
♦ Secure Export Fulfillment
We operate under strict confidentiality agreements. We offer blind shipping, private label bulk packaging (from 1kg sealed foil bags to 25kg sterile commercial drums), and full FDA/EU regulatory documentation support for rapid global customs clearance.
Packaging, Logistics & Secure Payment
Reliable B2B Supply Chain Solutions
We provide pharmaceutical-grade aseptic packaging, efficient global logistics (Air/Sea freight with dual customs clearance), and secure multi-currency payment methods to ensure seamless, moisture-free cross-border transit for our B2B procurement partners.
Formulator & Procurement FAQ
Q1: Standard total polysaccharide tests cannot verify cardiovascular efficacy. How do you guarantee the potency of the lipid-lowering actives in your Oyster Mushroom extract?
This is a critical regulatory and formulating concern. To ensure authentic cardiovascular support, Xi'an Tihealth strictly standardizes the natural HMG-CoA reductase inhibitors-specifically natural Lovastatin (Mevinolin)-to **≥0.50% - 1.00%**. We validate this active concentration strictly using High-Performance Liquid Chromatography (HPLC-USP monographs), completely rejecting synthetic statin-spiking or gravimetric ratio claims, providing audited security for your formulation.
Q2: Many botanical extracts are spiked with maltodextrin. How do you verify the authenticity of your ≥30% beta-glucan assay?
Traditional phenol-sulfuric acid UV tests measure total sugars, meaning they are easily fooled by cheap starch carriers or dextrin fillers. Xi'an Tihealth enforces the international **Megazyme (K-YBGL) enzymatic protocol** as our core analytical gate. This assay enzymatically isolates and measures only the bioactive, structured β-(1→3)(1→6)-D-glucan linkages from the fungal cell wall while strictly excluding alpha-glucans, guaranteeing true medicinal potency on every Certificate of Analysis.
Q3: Standard mushroom extracts leave heavy, gritty sediment in liquid formulations. Is your Oyster Mushroom extract fully soluble?
Fungi cell walls are composed of insoluble crystalline chitin, which typically creates turbid, gritty sediment in ready-to-drink (RTD) liquids. Our proprietary wet-processing integrates a highly optimized sub-micron cross-flow membrane separation stage that cleanly removes these insoluble fibrous chitin matrices and spores. This ensures **≥95% solubility at room temperature (25°C)** and a clear, stable dispersion, making it highly compatible with premium liquid shots, elixirs, and clear functional beverages.
Q4: Fungi are notorious bio-accumulators. How does Tihealth control Lead and Cadmium limits for global regulatory audit?
To systematically prevent heavy metal enrichment from agricultural or soil pollutants, we cultivate our mushrooms under strict substrate controls in GAP-compliant indoor rooms in the Qinling Mountains. Every single commercial production batch is tested via ICP-MS in accordance with USP <233> and EP 2.4.27 guidelines. We guarantee that Lead (Pb) remains ≤ 1.0 ppm and Cadmium (Cd) ≤ 0.5 ppm, satisfying the stringent criteria of California Proposition 65.
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