The smell and the view of food contribute to good digestion

04. 06. 2020
4rd International Conference Sueneé Universe

After a long day at work, we can sometimes help and go into the first meal that lies ahead of us. How then do we do to help digest digest and absorb as much nutrients as possible? And how do our liver respond?

How to get good digestion

A new study from Cell Reports suggests that if you perceive the smell and appearance of food, the body will be better spent. Research has shown that specific neurons that have been activated in freshly fed mice have been activated in the same way in mice that have only been exposed to food or scent. This caused their liver to prepare for the supply of nutrients and calories, although no food was given to them. This research could help scientists understand how our body responds to sensory perception of food.

It is well known that at a time when we are hungry, our body produces neurons, their amount depends on the level of hunger in our body. After a long period of hunger, our brain produces a neuron (AgRP) that stimulates the appetite and tells us to eat as soon as possible. Once we eat, we activate proopiomelanocortin (POMC) that suppress the appetite. For years, it was assumed that the only way to activate POMC neurons is to consume calories from food.

Everything changed in 2015, when a test-based group of researchers found that the mouse was enough to expose the view of food and its smell and immediately triggered POMC production and discouraged AgRP.


In the study, 3 was observed in different groups of mice over 16 hours. The first group was fed, the other group was exposed to the scent and the food, and the third was starved with no sense of stimulation.

They found that after just five minutes of sniffing and observing inaccessible food, a sufficient number of POMC neurons were stimulated in the sensory group to initiate the production of MTOR and XBP1. This process helps to convert amino acids from food to protein.

The result of the study

This reaction, which occurred in the second group of mice, showed one interesting fact. The sight and scent of the food itself is enough to trigger POMC neurons in the brain to help the liver digest calories and nutrients to the satisfaction of the body. According to a research team, this activity could also affect insulin production, which could help people who have a problem with their production.

Only Brüning, director of the Max Planck Institute says:

"This process of better protein processing can disrupt obesity, which can leave the liver unprepared for protein conversion after a meal, and can thus significantly affect the rate of insulin production. That's something we think about and intend to address in future tests. "

So if you want your body to process food better, it is worth eating. Feeling its scent and form. Not only the taste buds need to be stimulated…

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