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Product: oyster mushroom extractName:Pleurotus ostreatus( oyster mushroom)active ingredients: polysaccharides,detected by UVSpecificationcontent:polysaccharides,20%,30%appearance: Brown powderParticle Size:NLT100% 80meshMoisture :7%maxshelf time: 2 years while properly stored.Package:25kg/drumOyster mushroom extract Oyster mushroom (Pleurotus ostreatus) is extremely delicious as well as conferring various health-giving properties and benefits. Traditionally, it has been used to strengthen veins and relax tendons. In China oyster mushroom is indicated for joint and muscle relaxation (Yang & Jong, 1989). A product containing oyster mushroom, called Tendon-easing powder, is effective in the treatment of lumbago, numbed limbs, and tendon and blood vessel discomfort.In the Czech Republic, extracts have been made from the fruiting bodies as the main ingredient in dietary preparations recommended for prevention of high cholesterol (Opletal, 1993). Physical properties Mesh 80 meshAppearanceBrown powderTasteSlightly bitterOdorCharacteristic odor Chemical proterties Moisture≤7Solvents Residue≤0.5Ash≤20 Heavy Metal Pb≤1ppmAs≤2ppmHg≤0.5ppmCd≤0.3ppmTotal Heavy Metal≤10ppm Assay Polysaccharide≥20 ≥30 Microbiology Total Aerobic Microbial Count1000cfu/gramTotal Yeast and Mold25cfu/gramSalmonellaNegativeE. ColiNegativeStaphylococcusNegativeAflatoxins0.2ppm