One is in charge of the study of foods
and the nutritional matters as far as:
As well as the production of nutritional matters and
its relation with the health.
Smith: "body organized of knowledge
on the chemical composition of foods" (to this
definition him lack biological field), does not consider
factors of quality like health nor either factors on
treatment of foods.
and systematized body of knowledge about the chemical
composition, nature and conservation of foods"