Appearance:  White or off-white powder

Main ingredients ( Acetyl isovaleryl tylosin A ): 80% min.

Identification:

1.    Maximum absorption at wavelength 290 nm

2.    Should be positive reaction

3.    Should be positive reaction

4.    Should comply with the standard

PH: 3.5-5.0

Tyramine :  Should meet the standard

Heavy metals:   20ppm max

Loss on drying:  4.0%max

Assay ( HPLC ):  800u/mg min ( on dry basis )

Packing: 25kg/ fibre drum