food tests Flashcards
1
Q
what is an enzyme?
A
an enzyme is a biological catalyst that speed up reactions and the rate of digestion in the body, however they are not used up in reactions.
2
Q
what are the five food groups?
A
proteins, carbohydrates, lipids, vitamins and minerals.
3
Q
what are the enzymes for some of the food groups?
A
carbohydrates –> carbohydrase
proteins –> protease
lipids –> lipase
4
Q
what are the tests for each food group?
A
benedict’s test –> glucose
biuret test –> proteins
ethanol test –> lipids
iodine test –> starch