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Healthy food passes through the body quickly

17.09.2016

The fact that the inhabitants of our intestines largely determine our health, and sometimes our behavior, is now known to everyone who is interested in the problem of healthy eating. But how?

The journey of food through the multi-meter human intestine was re-examined by microbiologists from the Technical University of Denmark, led by doctoral student Heinrich Münch Roager; they were interested in substances arising from the bacterial processing of food.

At the first stage, not surprisingly, microbes decompose carbohydrates, extracting the most available energy from them. Nothing bad happens to the person. But soon the carbohydrates run out, it is necessary to decompose substances that are much more diverse in composition and structure - proteins and nucleic acids. The farther the microbe lives from the inlet and closer to the outlet, the less digestible compounds it gets - and the more harmful to the human body substances it converts.

In other words, it is undesirable for food to linger in the intestines for a very long time. A by-product of the study was the debunking of the myth that the diversity of the intestinal microflora is indicative of human health: not at all, because the diversity is created precisely by the need to decompose less and less edible compounds.

The recommendations that researchers give based on these results are not new: consume more dietary fiber and drink it with water to speed up the passage, and do not abuse meat rich in proteins and heavy on the stomach.

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