^2 



CHEMICAL ACTION OF MICROORGANISMS 



Microorganisms 



Substrates 



Products 

 Authors 



Yeast (cent.) 



ketoglutaric ac. 



a-ketoisovaleric ac. 



lactic ac. 



lactose 



levulose 



malic ac. 

 mannose 

 methoxybenzaldehyde 



methyl-benzoyl-carbinol+ 

 dextrose 



methylethyl ketone+ sucrose 



methylethyl pyruvic ac. 



methyl-a-chlorethyl ketone 

 methyl glyoxal 



methyl glyoxal 

 methyl glyoxal 



CO2, succinic ac. 



Neuberg and Ringer, 1914 

 isobutyl aldehyde 



Sen, 1923 

 ethyl ale, pyruvic ac. 



Kayser, 1923 

 acetaldehyde 



Trillat, 1908 

 acetylmethyl carbinol, 2, 3-buty- 

 lene glycol 



Kluyver and Donker, 1924 

 lactic ac. 



Lebedev and Russ, 1916 

 ethyl ale. 



Mezzadroli, 191 8 

 methoxybenzoic ac. 



Neuberg and Liebermann, 

 1921 

 methyl-phenyl-ethylene glycol 



Neuberg and Komarewsky, 

 1927 

 d-methylethyl carbinol 



Neuberg and Nord, 1919 

 amyl ale, methyl-ethyl acetalde- 

 hyde, valeric ac. 



Neuberg and Peterson, 1914 

 methyl-a-chlorethyl ale. 



Santomauro, 1924 

 d-lactic ac. 



Neuberg and Kobel, 1927, 

 1929 

 d-1-lactic ac. 



Neuberg, 1913 

 lactic ac. 



Dakin and Dudley, 19 13 



