Leucomycin complex (kitasamycin) is a family of closely related macrocyclic lactone antibiotics produced by Streptomyces kitasatoensis, discovered in 1953. The complex contained over 14 components with analogues A1, A4, A5, and A13 being the most abundant analogues. Leucomycin complex is used as an animal health product for control of Gram positive bacteria, Gram negative cocci, leptospira and mycoplasma.
Leucomycin complex is soluble in ethanol, methanol, DMF or DMSO. Limited water solubility.
Appearance
White to almost white solid
Water Content (Karl Fisher)
Not more than 3.0%
pH
8.0 - 10.0
Residue On Ignition
Not more than 0.5%