nutrients Flashcards
nutrients(5)
protein fat carbohydrate vitamins minerals
micronutrients(3)
proteins
fat
carbohydrates
macronutrients(2)
vitamins
minerals
composition of protein
carbon, hydrogen, oxygen, nitrogen (chon)
only nutrient that contains nitrogen, which is responsible for growth.
these elements make up units called amino acids
structure of protein
protein is a number of amino acids joined together by peptide links to form a chain.
📦amino acids
— peptide links
these protein chains are broken down during the digestion of food so that it can b absorbed into the bloodstream
classification of protein(3)
high biological value
contains all essential amino acids
(essential amino acids can’t b made in the body)
sources(animal products)
meat, fish, eggs
cheese, milk
soya bean
classification of protein(5)
low biological value
doesn’t contain all essential amino acids
sources(plant sources) peas beans lentils nuts cereals
functions of protein(4)
for the growth