Overview
Tremella Fuciformis Extract is derived from the fruiting body of Tremella fuciformis, a gelatinous mushroom revered in Traditional Chinese Medicine for centuries. Modern extraction techniques yield a bioactive concentrate rich in β-glucans, amino acids (e.g., glutamic acid), and trace minerals like selenium. Unlike synthetic humectants, it offers natural moisture retention with demonstrated skin repair benefits. In B2B markets, the extract is supplied as sterile-filtered liquid (5-40% active content) or lyophilized powder (≥30% polysaccharides). Leading producers adhere to ISO 22716 (cosmetics) or NSF/ANSI 173 (nutraceuticals) standards, with HPLC testing for potency verification.
Physical and Chemical Properties
The extract's primary active components are heteropolysaccharides (TFPS) with (1→3)- and (1→6)-linked α-D-mannose backbones. These macromolecules exhibit exceptional water-binding capacity, absorbing up to 500 times their weight in water. The viscous liquid form typically has pH 5.0-7.0, making it compatible with most formulations. FTIR analysis reveals characteristic glycosidic linkage peaks at 890 cm⁻¹ and 810 cm⁻¹. The extract shows thermostability up to 80°C but degrades rapidly under strong acids/alkalis. Its antioxidant activity (measured by ORAC) ranges 8,000-12,000 μmol TE/g, outperforming vitamin C in some assays.
Main Applications
In cosmetics, the extract is a flagship ingredient in hyaluronic acid-alternative serums, boosting skin hydration by 200% (in vitro corneometer tests). It synergizes with niacinamide for barrier repair and reduces TEWL (transepidermal water loss) by 18-22% in clinical studies. The nutraceutical sector uses it in immune-modulating capsules (standardized to ≥25% TFPS), where it stimulates macrophage activity. Food manufacturers incorporate it as a natural thickener (EINECS 283-519-7) in vegan desserts, replacing gelatin with 0.3-0.5% w/w concentration.
Safety and Storage
Acute oral toxicity (LD50) exceeds 5,000 mg/kg in rodent studies, classifying it as Category 5 under GHS. No phototoxicity or mutagenicity has been observed (Ames test negative). Cosmetic-grade batches must meet microbial limits (<100 CFU/g total count, absent Salmonella/Staphylococcus). Liquid extracts require cold chain logistics (4°C) with 12-month shelf life if unopened. Powders remain stable for 24 months in vacuum-sealed foil bags with desiccants. Post-reconstitution, solutions should be used within 72 hours to prevent bacterial growth.
B2B Procurement Guide
Key specifications to request: polysaccharide content (UV-Vis at 490nm), viscosity (Brookfield LV at 25°C), and heavy metal residues (Pb<2ppm, As<1ppm). For cosmetic use, demand COSMOS or Ecocert certification. Bulk orders (≥100kg) often include free analytical reports and formulation support. Leading suppliers cluster in Yunnan (China) and Shizuoka (Japan), with MOQs starting at 5kg for GMP-certified material. Spot prices fluctuate seasonally – winter harvests yield 15-20% higher polysaccharide content. Always audit for sustainable wildcrafting or organic cultivation practices.
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