Modern ideas about nutrition
Modern medical science studies the therapeutic effects of food on the human body. Despite the fact that each cell of our body consists mainly of organic molecules, the chemical nature of these molecules is very diverse. Their chemical composition also differs - some perform their main functions in the body, while others actually do not perform any nutritional role. Some substances can be a source of essential nutrients, while others can destroy them, therefore, promote or hinder nutritional processes. The content of nutrients (nutrients) in food has three main components: absolute, relative and specific amount of this element. The absolute quantity represents the intake of a certain type of product into the body by mass or volume. The relative contains indications of biological value taking into account its daily requirement. If the daily requirement is only a few kilocalories, then it is not recommended to evaluate the food product by digestibility. These biological indicators