. Bacteriology and mycology of foods. Food. 244 INTESTINAL BACTERIA They are united with sulphuric acid in the Uver to form ethereal sul- phate. OH H—Ov /P H—0/ ^0 —0 H / 0 /\o This is usually excreted as a sodium or potassium salt. Putrefaction of Tryptophan. Hopkins and Cole have determined the steps in the decomposition of tryptophan by cells. /^ C-CHa—CH—C^OH -^ ^N C-CHa-CHa^C-OH-^ C NH: N H C N H Tryptophan —UJtl 2—UJtls Indol propionic acid /\. c / N C—CHs C /V C—H N C / N N H JUL Indol aceticS acid Methyl mdol (skatol) Indol The final product is methyl indol or skatol. For excretion thi
. Bacteriology and mycology of foods. Food. 244 INTESTINAL BACTERIA They are united with sulphuric acid in the Uver to form ethereal sul- phate. OH H—Ov /P H—0/ ^0 —0 H / 0 /\o This is usually excreted as a sodium or potassium salt. Putrefaction of Tryptophan. Hopkins and Cole have determined the steps in the decomposition of tryptophan by cells. /^ C-CHa—CH—C^OH -^ ^N C-CHa-CHa^C-OH-^ C NH: N H C N H Tryptophan —UJtl 2—UJtls Indol propionic acid /\. c / N C—CHs C /V C—H N C / N N H JUL Indol aceticS acid Methyl mdol (skatol) Indol The final product is methyl indol or skatol. For excretion this may be united with sulphuric acid as follows: >0 /\- C—CHs C / N TT. c N H TT C-CH2—0~7S/ II ^ ^0 n 0 / Indol is prepared for excretion in the same way. Putrefaction of Arginin. Putrecin in the end product and was supposed to be important in certain types of food poisoning. It is formed from arginin as follows:. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tanner, Fred Wilbur, 1888-1957. New York, John Wiley & Sons, Inc. ; [etc. ,etc. ]
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