INTRODUCTION TO NUTRITION Flashcards
● The study of food in relation to health.
● The science of food (nutrients and other
substances)
● Action, interaction and balance in relation to health
and diseases
nutrition
● Any substance, organic or inorganic
● Nourishes the body
● Building and repairing tissues
● Supplying heat and energy
● Regulating bodily processes.
food
A chemical component needed by the body
○ To provide energy
○ To build and repair tissues
○ To regulate life processes
nutrient
A condition of the body resulting from the utilization of essential nutrients.
nutritional status
Body has an adequate supply of essential nutrients, utilized growth and good health are maintained at the highest possible level.
optimum or good nutrition
Condition of the body resulting from lack of one or
more essential nutrients (nutritional deficiency)
malnutrition
The under consumption of energy or nutrient based on RDA and DRI values
undernutrition
Consumption of too many nutrients and too many energy compared w/ DRI levels
overnutrition
true or false: No single food contains all the essential nutrients in amounts needed for optimum health.
true
the most important nutrient
water
nutrient distribution in the body
60-20-20
60 - carbohydrate
20 - fat
20 - protein
- carbon containing compounds
- CHON, Fat, CHO & vitamins
organic
- without carbon
- minerals and water
inorganic
- CHON, CHO, fats & water
– present in large amounts in body
macro
- vitamins and trace minerals
– should be above 50 parts/million or above 0.005% of body weight
micro
___ need more carbohydrates
children
___ need more protein while ___ need iron, zinc, calcium, vitamin D, and iodine
males;
females
body size:
loose skin and lack muscle tone
endomorph
body size:
thinner and narrower
ectomorph
body size:
strong and fit body
mesomorph
Main source of energy
carbohydrates
RDA of carbohydrates
330 g daily
Major structural building blocks
protein
RDA of protein
100 g daily
