ANAEROBIC RESPIRATION 243 
compounds which are attacked and the changes may be indicated as 
follows: 
I. Deaminization. 
1 0 Fo 
H—o—cZ on —— H—0-C40H + NH3 
NH> H 
Glycocoll Acetic acid Ammonia 
II. Decarboxylation. 
H H 
| O | 
H-c—cZ0H —— H—C—H + COs 
NH2 NHe 
Glycocoll Methylamin Carbon dioaide 
III. Oxidation. 
H 
| 0 
H—C-00H + 0—> CO: + 20 
H 
According to these reactions tyrosin may be putrefied as follows: 
0 
/\—cH,—cH—C#OH—/”)—CHy—CH:—COOH + NH 
. L 
| | 
wy, NH» 
OH OH 
Tyrosin Para hydroxy phenyl propionic acid 
VO 
—CH,—o40n 2-5 (yo 
OH OH 
Hydroxy phenyl] acetic acid Para cresol Phenol 
The oxidation stops with phenol. These substances have no well- 
marked location in the intestine although it occurs in the large intestine. 
Their formation is not limited to the intestines for they have been found 
in other parts of the body. For excretion phenols are detoxicated. 
