The word ration is usually used to name the portion or part that is given for food at each meal, to people or animals and is distributed in schools, prisons, hospitals and other entities; This word comes from the Latin "ratio" or "rationis" which means reason. Then ration is the amount of something specific that a population or society can get in times of scarcity. Or the proportion of food and food that is sold at a certain quantity or cost. But it is also used when in times of lack of food a certain "ration" is established for each inhabitant.
This term is often used to refer to only a portion, fragment or sufficient quantity of a food or thing, for example in restaurants or bars. In the ecclesiastical sphere, it is an income in a church, cathedral or college, and has its benefit at the table of the town hall or cabildo.
Regarding the food field, we also find this word and it is to name the portion or quantity that must be ingested daily of each specific food, and this amount is in grams; ration refers in this case to a fixed amount, which is a standard measure of the foods that are recommended to eat. This correct combination of servings from the different food groups has the nutrients that make a balanced diet possible for humans. And these foods should be substances that provide the necessary energy, Essential elements for bones, muscles, organs, hormones and blood, Substances necessary for the processes that occur in the body such as digestion and Substances that protect the body.