FOOD TECH NUTRITION

food

substance solid or liquid when consumed is digested by the body

nutrients

chemical substance in food that maintains body functions

macronutrient

large amounts

micronutritrient

small amounts

food groups (VMCPWL)

vitamins, minerals, carbohydrates, protein, water, lipids

protein

essential for life

complete protein

contain all essential amino acids e.g. meat, cheese

incomplete protein

don’t contain all essential amino acids

function of protein

growth and repair, hormones, antibodies, secondary source of energy, control and regulate cell functions

amino acids

building blocks from proteins, 20 essential

carbohydrates are made of

C,H,O

function of carbohydrates

energy, cell structure, brain function

monosaccharides

simplest form of carb e.g. glucose

disaccharides

2 molecules of monosaccharides e.g. lactose

polysaccharides

made of many monosaccharides

Gycemic Index

blood glucose levels

high GI

quick release of energy

low GI

energy for longer period of time

dietary fibre

not digested by body, assists movement in digestive system

soluble fibre

keeps you fuller

insoluble fibre

keeps bowel healthy

functions of lipids

energy, protection, maintenance, transportation, insulation