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What is nutrition? - study of nutrients found in foods and the body's handling of
them
What are the 7 steps in processing nutrition in the body? - • Ingestion
• Digestion
• Absorption
• Transport
• Metabolism
• Storage
• Excretion
What is nutrients? - Substances found in foods and used in the body to promote
growth, maintenance and repair of tissue
What are essential nutrients? - - Nutrients the body cannot make at all or in
sufficient quantity to meet the body's need
- Must be obtained from diet
,What are the 3 criteria's they must meet? - 1. Have an identified biological
function
2. Absence of nutrient must lead to observable symptoms
3. Provision of nutrient before permanent damage occurs reverses deficiency
symptoms
What is a calorie? - calorie
§ energy it takes to raise 1 gram (mL) water 1°C
§ very small measure of energy
What is a kcalorie? - kcalorie (kcal) = 1000 calories = 1 Calorie
§ energy it takes to raise 1 kilogram (L) water 1°C
§ term used when referring to the energy in foods
§ Calorie (capital "C") used on food labels
What are everyday calories reported as? - Everyday food conversations refer to
big "C" Calories
Kilo calories
What are nutrient dense foods? - § high level of vitamins and/or minerals
(micronutrients) per unit of energy (kcal)
§ ex., vegetables, fruit, whole grains, legumes...
What vitamins and minerals do? - Do not provide energy
What are energy dense foods? - (empty calorie foods)
, § lots of kcal/energy (& few micronutrients) per unit of weight (grams) of food
§ ex., potato chips, pop, alcohol (7 kcal/g) o alcohol is NOT (!!) a nutrient
What is a goal? - Strive for optimal nutrient intake - not too little, not too much
What are the 6 classes of nutrients? - Carbohydrates
Lipids
Protein
Vitamins
Minerals
Water
what are the macronutrients? - carbohydrates, lipids, proteins
What are carbohydrates? - § 4 kcal/gram
§ includes dietary fibres
§ mostly plant foods, also animal milks
What are the basic building blocks for carbohydrates? - simple sugars
major source of energy (except fibres)
What are lipids (fat)? - § 9 kcal/gram
§ degree of saturation, length
§ plant & animal foods