CAS No: 9025-49-4 Source: Aspergillus niger deep liquid fermentation Appearance: White to light beige fine powder Effective pH range: 2.0-6.0, optimal pH 2.5-4.0Applicable temperature: 30-65℃, optimal 40-50℃  Certifications: ISO22000, HACCP, Halal, SGS test Packing: 1kg foil bag, 5kg carton, 25kg plastic drum, customized package