Lesson 1: DEFINITION OF TERMS Flashcards
Any substance ingested by the body that nourishes it by providing energy, building and repairing tissues and regulating body processes
FOOD
valued for its palatability & satiety effect, as well as the emotional, social, religious, cultural effect
FOOD
simple or complex in its chemistry and contains nutritional
and/or non-nutritional components
FOOD
Any CHEMICAL SUBSTANCES needed by
the body for one or more of the following functions: to provide
heat/energy, to build & repair tissues, and to regulate life processes
NUTRIENT
It can manufactured in the body and some
are made in the laboratory
Nutrient
According to function
According to chemical nature
According to essentiality
According to concentration
Nutrient Classification
According to Function
- it is the carbohydrates, proteins and fats are “fuel nutrients”
- Water, minerals and vitamins are non-caloric nutrients
Energy Giving
According to Function - water 2/3 of body
weight; Protein 20%; Minerals 4%;
Carbohydrates 1%
BODY BUILDING
According to Function - vitamins, Minerals,
Water, Protein. Maintain homeostasis
of body fluids & metabolic processes
BODY REGULATING
Substance or molecule containing carbon-carbon bonds or carbon-hydrogen bond
ORGANIC
According to Chemical Nature - protein, lipids,
carbohydrates, vitamins
ORGANIC
According to Chemical Nature - not containing carbon; water and minerals
INORGANIC
According to Essentiality
- refers to any nutrient that the BODY CANNOT MAKE sufficient
- must be supplied from food
ESSENTIAL
According to Essentiality - CAN BE SYNTHESIZED in the body in sufficient quantity
- Term is misleading, therefore
nondietary essential or dispensable are used
NON ESSENTIAL
According to Essentiality -
Are nonessential that BECOMES ESSENTIAL during disease condition & developmental state
Conditionally essential
According to Concentration - Are present in relatively HIGH AMOUNTS in the BODY, constituting 0.005% of body weight or 50 ppm; BULK OF DIET, ENERGY GIVING
MACRONUTRIENTS
Carbohydrates, Proteins, Fats, Water,
Macrominerals
MACRONUTRIENTS
According to Concentration - Are present in body in amounts less than 0.005% of body weight; for SURVIVAL
MICRONUTRIENTS
Vitamins, Trace Mineral
MICRONUTRIENTS
the amount of nutrients per calorie
NUTRIENT DENSITY