NILE CHEMICALS

YEAST EXTRACT POWDER

SPECIFICATION

Water soluble fraction of yeast autolysale  
Standard material for culture media  
  Rich in B-Vitamins and growth factors.  
Minimum assay ( ex N on dried substances ) 60%
Maximum Limits of Impurities :  
Phosphorus 2.5%
Coagulatable protein not detectible
Heavy metals ( as Pb ) 0.005%
Loss on drying 5%
Sulphated ash 15%
Suitability for microbiology passes test
Heat resistant bacteria not detectable

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