food tech Flashcards
( food provenance ) description and example of primary processing
conversion of raw materials into food comidities , wheat into flour
( food provenance ) description and example of secondary processing
primary products are changed into other products, milk into yoghurt
( food, nutrition and health ) 3 main macronutrients
fat, protien carbohydrate
( food, nutrition and health ) name 2 types of vitamins
water soluable, fat soluable
3 functions of fat
helps absorb vitamins ADEK, protect from cold, provide energy
3 functions of protien
growth, repair, keeps cells healthy
2 functions of carbohydrates
digestion, lower risk to heart disease
name the fat soluable vitamins
a,d,e,k
name water soluable vitamins
b1, b2, b3, b5, b6
( food science ) name what happens in the first step of making choux buns
melt butter and water in pan until butter=melted and water=boiled
water turns to steam ( raising agent )
what is being formed in the 2nd step of making choux buns
gluten
name what happens in the 2nd step of making choux buns
flour is added, stir vigourosly until dough is formed
what happens to the protine in step 3 of making choux buns
the protine is denatured
name what happens in step 3 of making choux buns
take pan off heat, beat the eggs together
name what happens in step 4 of making choux buns
slowly add in the eggs ( so that the egg doesnt scramble)
name the last step of making choux buns
pipe choux mixture onto tray and sprinkle with water
name the science that takes place during the last step of making choux buns
protine in eggs coagulates, gluten streches due ti steam made by sprinkling water on
fortification definition
adding extra nutrients to a food product during its manufacture
give 3 examples of foods that can be fortified
low-fat spread, wheat flour, soya products (ie. fat spread,milks,yogherts)
explain why and how soya products are fortified
vitamin b12 and calcium are added during manufactoring, keeps cells healthy and produces red blood cells, targeted at vegans/vegitatians
explain why and how wheat flour is fortified
folic acid added during milling process, targeted at pregnant women
explain why and how low-fat spreads are fortified
vitamin a and d are added during manufactoring, keeps skin healthy, aids growth in children, includes antioxidants
