Peptone-sabourose agar (sabourosagar) (APS, agar peptonose agar (aqueous)), consists of peptone and sabourose (or glucose, fructose), synthesized by the mutant microorganism Sporathrix minuta. Used for growing highly virulent strains of dermatophytes and molds for microbiological diagnosis of skin mycoses. Advantages Over analogues. Color and transparency of hyphae that do not change color when