Today, researchers are testing diagnostic accuracy of different
fecal markers in the detection of cancerous lesions in the colon, in order to find the most accurate for CRC screening.
Fecal markers are appealing indicators of intestinal inflammation since they originate from the intestinal mucosa and their presence in the stool is related to their level in the intestinal lumen.
Following the suggestion by Grace and Body (1981) that naturally occurring long-chain fatty acids in herbage might be used as indigestible
fecal markers, the work of Mayes et al.