Triple Sugar Iron Agar (TSI) Medium – EP/USP Standard | For Enterobacteriaceae Biochemical Tests

Triple Sugar Iron Agar (TSI) Medium is a specialized microbiology culture medium designed for biochemical testing of Enterobacteriaceae bacteria. It enables differentiation of Gram-negative bacilli based on carbohydrate fermentation patterns (glucose, lactose, sucrose) and hydrogen sulfide (H₂S) production. Ideal for clinical, pharmaceutical, and research laboratories.

‌Key Specifications‌

• ‌Compliance:‌ Meets European Pharmacopoeia (EP) and United States Pharmacopeia (USP) standards.

• ‌pH:‌ 7.3 ± 0.2 at 25°C.

• ‌Format:‌ Powder for reconstitution.

• ‌Pancreatic Digest of Casein:‌ 10.0 g

• ‌Peptic Digest of Animal Tissue:‌ 10.0 g

• ‌Sodium Chloride:‌ 5.0 g

• ‌Lactose:‌ 10.0 g

• ‌Sucrose:‌ 10.0 g

• ‌Dextrose:‌ 1.0 g

• ‌Ferric Ammonium Citrate:‌ 0.2 g

• ‌Sodium Thiosulfate:‌ 0.2 g

• ‌Phenol Red:‌ 0.025 g

• ‌Agar:‌ 13.0 g