People with obesity may have a worse taste sensation
Today we accept that there are 5 basic types, and the basic taste receptors are located in the lingual papillae that are sensory organs in the oral cavity
Recently, research has also shown that there are receptors in the gastrointestinal tract for sweet, umami and bitter tastes.
Sweet: food-stimulated receptor such as carbohydrates, sugar, sweeteners
- - Salted: > -Azedo / Acid: stimulated by citrus fruits, vinegar, carbonated solutions
-Amargo: caffeine, arugula, jiló
-Umami: flavor that was described in Japan in 1908 and means tasty, delicious, in japan . These receptors are stimulated by breast milk, cheeses, seaweed, dried mushrooms and oysters.
The taste buds receive the food we eat and the nerves in the tongue transmit the signal of the taste to the brain. The brainstem works to chew, salivate and lick. In the thalamus, processing takes place and the memory of the taste is recorded, while in the gustatory and frontal cortex the decision is made of what we are going to eat and the sense of comfort generated by what we eat.
All sensory systems are important for definition of (taste and taste), hearing (we hear the sound produced by chewing), smell (sensitivity to the aromas of food), touch (different textures) and proprioception. demonstrated that there is a loss of taste sensitivity and worsening of taste discrimination in people with obesity, which is contrary to what was imagined. People eat more because they have greater difficulty in feeling the taste of food as satisfying. The brain of the obese seems to take longer to encode food information.
This loss of ability to taste may have many causes, including the possibility that a diet high in fat (especially in childhood) Another interesting point is to observe how patients who lose weight after bariatric surgeries change their food preference by choosing less caloric foods at the expense of, for example, soft drinks and ice creams. This is probably due to the change in taste receptors located in the stomach and intestine, which leads to improved taste perception and changes in the taste.
Other research published in the Archives of Diseases in Childhood showed that children with obesity were less able to to discriminate the flavors when compared to those of normal weight, especially in relation to bitter, salty and umami.
Taste sensitivity seems to modulate the amount of food that is necessary to generate satiety. Thus, we do not know if the child is getting obese because of the decreased ability to perceive the flavors or if the previous intake of predominantly high-fat foods up to the age of 6 years is the major culprit.
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