Check the listing for details. Tryptic Soy Agar, TSA, CASO Agar general purpose medium different microorganism. Condition: Brand New. Listed at 15.62 USD. Tryptic Soy Agar (TSA)Synonyms: Trypticase Soy Agar, Soybean Casein Digest Agar or CASO (casein peptone soybean flour peptone) Agar Ausamics TSA a medium used in qualitative procedures to isolate and cultivate both fastidious and non-fastidious microorganisms. This nutrient medium is commonly employed for sterility testing to detect facility contamination due to its ability to support the growth of a wide array of bacteria and fungi. Moreover, it offers the advantage of an on-site monitoring system for detecting microbial contamination. Tryptic soy agar slants are used for culturing, preserving, and transporting bacterial cultures. TSA contains casein and soy peptones, which supply the essential nitrogenous compounds (amino acids and peptides) needed for bacterial growth. The appearance of the medium is clear and yellowish, with a pH value ranging from 7.1 to 7.5.