344 APPENDIX 



b. Producing intramolecular changes, acting on 



Carbohydrates, to form alcohol and C02. 



Zymases of d-dextrose, d-levulose, etc. 

 Carbohydrates to form lactic acid. 



Lactic acid-bacteria zymase. 

 Acid amides = amidases. 



Urease. 



c. Oxidizing = oxidases. 



Alcoholase. 



Lactacidase. 



Acetacidase. 



Tyrosinase. 



Laccase. 



d. Reducing = Reductases. 



Catalase. 



Peroxidase. 



Methylen blue, indigo and azolitmin reduc- 



tase. 



Perhydridase. 

 Sulphur reductase. 

 Nitrate and nitrite reductase, etc. 



e. Coagulating. 



Caseinase. 

 Parachymosin. 

 Thrombase. 

 Pectinase. 



2. Materials Acted Upon. 



a. Celluloses. 



6. Starches. 



c. Sugars. 



d. Fats. 



e. Proteins. 



/. Organic acids, etc. 

 g. Alcohols. 



3. Products resulting. 



