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Alkali Scientific Fluid Thioglycollate Medium (FTM) 750mL Bottle, 1/Pk

Supplier: Alkali Scientific FTMB00
Fluid Thioglycollate Medium (FTM) is a versatile enrichment broth widely used in clinical, pharmaceutical, and industrial microbiology for sterility testing and microbial cultivation. Each bottle contains 750mL of nutrient rich medium capable of supporting aerobic, anaerobic, and microaerophilic organisms. The formulation includes sodium thioglycollate and L cystine, which reduce oxygen levels and create anaerobic conditions deeper in the broth. A small amount of agar increases viscosity and prevents convection currents, helping maintain a stable oxygen gradient throughout the medium. Resazurin functions as an oxidation reduction indicator, turning pink in oxygenated areas while remaining clear in anaerobic zones. This gradient allows organisms with different oxygen requirements to grow within a single container, making the medium particularly valuable for sterility testing and routine microbiological quality control.
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