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MANUAL OF DETERMINATIVE BACTERIOLOGY 



Milk: No change. 



Potato : Growth somewhat dry, not 

 slimy, dirty gray, spreading. 



Nitrites produced from nitrates. 



Fixes nitrogen. 



Ammonium salts utilized. 



Acid and gas from adonitol, arabinose, 

 dextrin, glucose, galactose, glycerine, 

 inositol, lactose, fructose, maltose, man- 

 nitol, mannose, raffinose, rhamnose, sali- 

 cin, sorbitol, starch, sucrose and xylose. 



Starch is hydrolyzed. 



Hydrogen sulfide produced. 



Optimum temperature 25° to 30 °C. 

 Minimum 7° to 9.5°C. Maximum 48°C. 

 Good growth at 37 °C. Thermal death 

 point 60 °C. 



Limits of pH 3.3 to 9.5. 



Aerobic. 



Source : From a mixture of chopped 

 cotton husks and rice hulls. 



Habitat: Soil. 



