Nothing
None .
Nutrients are neither changed nor absorbed in the esophagus. No digestion occurs in this tube that connects the mouth and stomach.
You break it down by chewing it and while you're doing that, your saliva will help dampen the food. Once it is small enough, you swallow it and it travels down through your esophagus. Your nutrients are absorbed while it travels, not while it is in the esophagus.
No food is absorbed by the esophagus, it simply transports food from the mouth to your stomach. The only exception might be alcohol.
AnswerSince most all nutrients that a human needs are absorbed via the digestive system. All carbohydrates, proteins, and fats are absorbed in the small intestine.AnswerThings are absorbed throughout the entire system, with the exception of the esophagus. Some glucose, for example, can be absorbed in the mouth. Water, alcohol, and some nutrients are absorbed in the stomach. Most nutrient absorption occurs in the small intestine. Water and some minerals and vitamins are absorbed in the colon. Most vitamin K is produced by bacteria in the colon and absorbed there.
A small number of nutrients are absorbed in the stomach and large intestine but almost all are absorbed in the small intestine.
The organ where nutrients are absorbed is Small intestine
esophagus
In the small intestine, indeed this is where the vast majority of the nutrients are absorbed.
villi in the esophagus help move nutrients into the blood
esophagus
Esophagus
nutrients are absorbed in the digestive system