Key words, heat transfer

Question 1

Dextrinisation meaning

Answer 1

when starch molecules break down into dextrins after being exposed to dry heat

Question 2

Dextrinisation examples

Answer 2

-toast
-biscuits

Question 3

Caramelisation meaning

Answer 3

The browning of sugar and the change in its flavour when its heated above a certain temperature

Question 4

caramelisation examples

Answer 4

-sauces

Question 5

gelatinisation meaning

Answer 5

when starch particles swell and burst, thickening a liquid

Question 6

gelatinisation examples

Answer 6

-sauces

Question 7

conduction meaning

Answer 7

the transfer of heat energy through solids by the vibration of particles

Question 8

conduction examples

Answer 8

-grilling steak
-grilling chicken breasts

Question 9

convection meaning

Answer 9

the transfer of heat energy through gases or liquids by circulating currents

Question 10

convection examples

Question 11

aeration meaning

Answer 11

when air is added to a mixture to help it lighter

Question 12

aeration examples

Answer 12

cakes

Question 13

radiation meaning

Answer 13

the transfer of energy through waves of radiation (there’s no direct contact)

Question 14

radiation examples

Answer 14

-sausages
-beef

Question 15

glutenin and gliadin meaning

Answer 15

two proteins that make up gluten, found in wheat and other grains

Question 16

glutenin and gladian examples

Answer 16

-wheat
-barley
-grains

Question 17

coagulation meaning

Answer 17

when denatured proteins join together, changing the appearance and texture of food

Question 18

coagulation examples

Answer 18

-scotch eggs
-battered fish
-

Question 19

shortening meaning

Answer 19

the effect of adding fat to a floury mixture, giving it a crumbly texture

Question 20

shortening examples

Question 21

plasticity meaning

Answer 21

a property of fats that allows us to spread and manipulate them

Question 22

plasticity examples

Answer 22

-mariangue
-rubbing fat into flour for shortbread

Question 23

gluten meaning

Answer 23

a protein found in wheat flours, that makes dough elastic

Question 24

gluten examples

Answer 24

-bread
-pasta

Question 25

denaturation meaning

Answer 25

when the chemical bonds holding proteins together break down, causing protein to unravel

Question 26

denaturation examples

Answer 26

-boiled eggs
-egg white

Question 27

emulsification meaning

Answer 27

a mixture of oily and watery liquids

Question 28

emulsification examples

Answer 28

mayonaise
ice cream
-milk
-mariange