nutrients Flashcards
why do we eat food
celcbration, nutrients, comfort, energy, growth, repair, brain function, maintaining weight, bored, stressed, culture, social, history, hungry, health, taste
the price of fresh fruit and vegtables has risen by what since 1985
40%
the price of soft drink has decreased by what since 1985
23%
what is nutrition.
it is the study of the relationship between diet and states of health and disease
list the macro nutrients
fat, carbs, protein, water, fiber
what is not a nutrient but is requied by the body for the metabolic process
Energy
the amount of energy released for the follwing are carbs protein alcohol fats
- 7 for carbs
- 7 for protein
- 3 for alchol
- 7 for fats
what is BMR
basil metabolism rate
what is BMR used for
cell matabolism
transport of substances around the body
maintanence of body tempreture
processing food and ongoing functioning
BMR represents how much of the daily energy expenditure
45 to 70%
micro nutrients are
minerals and vitamins
4 micro nutrients are
calcium, sodium, pottassium, magnesium known as electrolytes
what do micro nutrients not provide
micro nutrients dont provide any measurable energy or kj content in food.
micro nutrients work interactivley to
- regulate energy matabolism, nerve function and muscle contraction
- regulate oxide function
- maintain bone and blood gealth
- control fluid and electrolyte balance
- assist with imunie fuction
fat soluble vitamins are
A,D,E,K
water soluble vitamins are
B complex and C
what do minerals do
regulate metabolic function
minerals are catergorized as what
macro nutrients
mancro nutrients are what
sodium, pottasium, calcium, phospharus and magnesium
how much macro nutrients should u have a day
100mg a day
how much trace elements should you have a day
20mg a day
what is the suggested dietry requirment for sodium
2000mg day
dietry fibre and can made up of what
polysacchorrides, oligodachrytes and lignes
what does dietrey fibre promote
lacatation
reduction of blood cholestrol
modulation of blood glucose
how much dietry fibre a day for men
30grams
how much dietry fibre a day for women
25grams
what are amino acids
building blokes of protien
how many amino acids found in protein
20
how many amino acids are assentail and where are they found
9
food
how much RDI for men
64g a day
how much RDI for women
46g a day
what increases blood loss
pregnancy, lactation, blood loss, burns
what are the functions of protien
- growth and repair
- immune funciton
- transportation of hormones and protiens
- blood ph
what are the two protien sorces
complete protien foods and incomplete portien foods
what are the coplete protien foods
milk, youghart,eggs, fish, pultory, red meat
what are the incomplete protien foods
grains, legumas, nuts and seads, leafy greens
what are the functions of fats
maintaing tempreture
energy sorce 37kj per gram
essential fatrty acids
carrys vitamins A,D,E,K
Triglycerides do what
make up 95% of total body fat and are most common in food
where are triglycerides stored
they are stored in fat cells throughout the body
what happens if there are to much triglycerides
can course conarory heart disease
what are protens packed outside of cholesterol called
lipoportiends
HDLS stands for
high density lipoproteins
LDLS stands for
low density lipoprotiends
what are the 2 types of fat
saturated and unsaturated
what are the function of carbohydrates
provision of energy to cells
sugers and starches do what
absorb into glucose
what is the primary energy sorce of the body
glucose
high gi foods are rated
70 and above
love gi foods are rated
55 and below
how much red meat per day
70g
