Nutrition overview

4 cal/g

________: the biochemical and physiological process by which an organism uses food to support its life.

________: unit of energy, the amount of heat necessary to raise the temperature of 1kg of water 1°C.

________: the customary amount and kind of food and drink a person takes in day to day.

________: the constituents of food necessary to sustain the normal functions of the body.

________ is not the minimal requirement for healthy individuals, but rather it provides a margin of safety for most individuals.

________ (DRI): estimates of the amounts of nutrients required to prevent deficiencies and maintain optimal health and growth.

A(n) ________ (AI) is set instead of an RDA if there is insufficient scientific evidence available to calculate an EAR of RDA.

The ________ consists of 4 dietary reference standards for the intake of nutrients designated for specific age groups, gender, and physiologic states.

Nutrients needed in lesser amounts

9 cal/g

4 cal/g

Nutrients needed in larger amounts

• fats

• carbohydrates

• protein

• vitamins

• minerals

• essential fatty acids

• essential amino acids

1. Estimated Average Requirement

2. Recommended Dietary Allowance

3. Adequate Intake

4. Tolerable Upper Intake Level

pregnancy and lactation in women

DRI

The highest average daily intake level that is likely to pose no risk of adverse health effects to almost all individuals in the general population.

The average daily nutrient intake level that is sufficient to meet the requirement of nearly all (97% - 98%) individuals in a particular life stage and gender group.