title: Isolation of hyaluronic acid from cultures of streptococci in a chemically defined medium.
abstract: A haemolytic streptococcus (Lancefield's group A) has been cultivated in a chemically defined medium. About 300 mg hyaluronic acid of a high degree of purity was isolated per litre of this culture.
mesh_terms: D003470:Culture Media; D006801:Humans; D006820:Hyaluronic Acid / Q000302:isolation & purification*; D013297:Streptococcus pyogenes / Q000032:analysis*; D014470:Umbilical Cord / Q000032:analysis
chemical_list: D003470:Culture Media; D006820:Hyaluronic Acid