Source: Aspergillus niger fermentation Apparence: Off-white fine flowing powder Solubilité: Fully soluble in water Optional enzyme activity: 10,000 U/g, 50,000 U/g, 100,000 U/g Optimal pH: 4.0–6.0 Optimal working temperature: 35–55℃ Grade: Food gradeCertifications: ISO22000, HACCP, Halal, SGS