Understanding Nutrition Ch 1: An overview of nutrition
Terms
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- Nutrition
- study of the foods and beverages we eat, why we eat them, and what they do for us; a fairly young science, constantly learning
- Nutrient
- chemical substance provided to the body in foods/bevs + used to provide energy, structural support + regulation which supports growth, maintance, repair
- Essential nutrient
- nutrient the body can't make at all or in sufficient amounts
- 6 classes of nutrients
-
minerals
water
vitamins
carbs
proteins
fats/lipids - Inorganic nutrients
- minterals, water
- Organic nutrients
- vitamins,carbs, proteins, fats,
- Macro vs. micro nutrients (what it means)
- macronutrients are needed by the body in large quantities; micro are only needed in small amounts
- the macronutrients
-
water, fats, proteins, carbs
*macronutrient does not necessarily mean energy yielding - the micronutrients
- vitamins, minerals
- Energy yielding nutrients (definition and types)
- carbs, proteins, fats/lipids
- Non energy yielding nutrients (definition and types)
- vitamins, minerals, water
- Calorie (definition)
- unit of heat energy measurement
-
Calories in:
carbs
proteins
fats
alcohol -
4 kcal/g
4 kcal/g
7 kcal/g
8 kcal/g - Energy density
- amnt of kcal/g of food
- empty calories (definition + examples)
-
foods that provide calories, but few, if any nutrients,
ex. soda, candy