Psyllium husk specifications can vary depending on the grade, purity, and intended use. Below are some common specifications used in the food, pharmaceutical, and industrial sectors: Physical Properties: Appearance: Light brown to off-white, fibrous husk Odor: Odorless or slightly characteristic Taste: Bland Mesh Size: 40 Mesh (Coarse) 60 Mesh (Regular) 80 Mesh (Fine) Moisture Content: Max 8-12% Swelling Index: 40-70 ml/g (depends on purity) Bulk Density: 0.45 - 0.65 g/ml Chemical Properties: Purity: 85% (Industrial Grade) 95% (Commercial Grade) 98% (Pharmaceutical/Food Grade) pH (1% solution): 4.0 - 8.0 Ash Content: Max 4% Protein Content: 2-5% Total Dietary Fiber: 70-80% Heavy Metals: Below permissible limits Microbiological Standards: Total Plate Count: Max 50,000 CFU/g Yeast & Mold: Max 100 CFU/g E. Coli: Absent Salmonella: Absent Coliforms:
