Heart Infusion Broth (Powder) (Beef Heart Infusion, Pancreatic Digest of Casein, Peptic Digest of An

General purpose nutritive medium. Heart Infusion Broth medium is prepared from an infusion of beef heart. The first media used for the cultivation of bacteria was prepared from meat infusions. Huntoon showed that pathogenic microorganisms could be grown from infusion agar without enrichments. , Appearance:, Light beige, homogeneous, free flowing powder. Solubility: Light to medium amber, clear, complete. pH (2.5%): 7.4±0.2, Microbiological Analysis: Escherichia coli ATCC 25922: Growth, Staphylococcus aureus ATCC 25923: Growth, Streptococcus pneumonia ATCC 6305: Growth, Streptococcus pyogenes ATCC 19615: Growth, Storage and Stability: Store powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept at 4°C and used within a short period of time. Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.