Terminology Flashcards
(26 cards)
calorimeter
an instrument used to measure the amount of energy in food by burning the food
What is energy measured in?
kilocalorie’s (kcal) or kilojoules (kj)
calorie
a unit defined as the heat needed to raise the temperature of 1kg of water by 1 degree Celsius
How many kilojoules are in 1 calorie?
1kcal/cal = 4,18 (4,2)kj
metabolic rate
the amount of energy we use over a period of time
Basal Metabolic rate (BMR)
the amount of energy we need to stay alive, in other words, to breathe, keep our heart pumping and digest our food
voluntary energy
energy that you are more or less aware of
involuntary energy
energy used to maintain unconscious body activities
DER - Daily Energy Requirement
the amount of food energy needed to maintain ideal body mass and to keep up a desirable level of physical activity to keep you fit and healthy
BMI - Body Mass Index
a measurement of body fat based on height and weight that applies to both men and women between the ages of 18 and 65
RDA - Recommended Dietary Allowances
recommended amount of nutrients that should be consumed on a daily basis
DRI - Dietary Reference Intake
values that represent the minimum needs of a population
GDA - Guideline Daily Amounts
values based on the needs of a typical adult woman/man of average weight and fitness
food
any edible substance that provides nourishment when consumed
food group
a group of foods that contain the same type of nutrients
food pyramid
a graphic representation of a healthy diet
nutrients
substances from the foods we eat, which provide us with nourishment
nutrition
the process whereby essential nutrients are obtained and used to manufacture the substances our bodies need to be healthy
diet
the daily food eaten by an individual
balanced diet
a diet that contains food from all the five food groups in correct proportions to maintain good health and an ideal body mass
eating pattern
refers to the habits of an individual in reference to their diet,
often governed by culture, religion, family habits, geographical environment, personal likes and dislikes
meal plan
includes all the food required for a specific meal or meals for a whole day
serving/portion
refers to the amount of food served at each meal
menu
a list of dishes with their accompaniments served during a meal in a specific order or in specific courses
