HNSC1200 MIDTERM Flashcards
the study of:
- nutrients in foods
- how nutrients = used in body
- human bhvrs related to food
NUTRITION
any substance ur body can take in + adapt to enable u to stay alive + gain nourishment (carrier of nutrients)
FOOD
foods + bees that u normally consume
DIET
components in food that body needs for optimal functioning
NUTRIENTS
6 CLASSES OF NUTRIENTS
- carb
- fat
- protein
- water
- vitamins
- minerals
3 ENERGY PROVIDING NUTRIENTS (body can use their energy)
- carbs
- fat
- protein
3 NON-ENERGY PROVIDING NUTRIENTS
- water
- vitamins
- minerals
nutrients that MUST COM EFROM FOOD bc the body CANNOT make these nutrients in sufficient quantities
ESSENTIAL NUTRIENTS
- minerals
- essential fatty acids (linoleic + linolenic acid)
2 EXAMPLES OF ESSENTIAL NUTRIENTS
nutrients that body = ABLE TO MAKE sufficient amounts of to promote optimal health so they do NOT need to rely on food intake
NON-ESSENTIAL NUTRIENTS
nutrients that body can USUALLY make enough o foo meet requirements for health but during SPECIFIC CONDITIONS (e.g. INCR demands due to periods of GROWTH/ILLNESS/INJURY) body CANNOT make enough to meet needs so MUST RELY on food intake
CONDITIONALLY ESSENTIAL NUTRIENTS
EXAMPLE OF A CONDITIONALLY ESSENTIAL NUTRIENT (essential during GROWTH)
AMINO ACID HISTADINE
what is food energy measured in?
CALORIES
amt of heat energy needed to raise temp of 1L (1kg) of water by 1C
CALORIE
how many cals do CARBS provide?
4 Cal/g
how many cals does fat provide?
9 Cal/g
how many cals does protein provide?
4 Cal/g
how many cals does ALCOHOL provide?
7 Cal/g
is ALC a nutrient?
NO
- availability
- cost
- convenience
- emotional
- social
- cultural
- ads/food marketing
- habit
- positive association
- personal preference
- values/beliefs
- health
FACTORS THAT PLAY A ROLE IN FOODS WE CHOOSE
FACTOR: having access to certain foods at grocery store
AVAILABILITY
FACTOR: affordability of the food
COST
FACTOR: if food meets the need of having to eat food at school/on the go
CONVENIENCE
FACTOR: eating ice cream after a breakup
EMOTIONAL