Save
biology - topics
organisation
food tests
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
lexie degiorgis
Visit profile
Cards (8)
Food Tests
9 practical tests
you can do to determine the
composition
of
foods
View source
Using the
Benedict's
Test
1.
Prepare
food sample
2. Add
Benedict's
solution
3.
Heat
in
water bath
4. Observe
colour change
(
blue
to
brick-red
) indicating presence of
reducing sugars
View source
Using Iodine Solution
1.
Prepare
food sample
2.
Add
iodine solution
3. Observe
colour
change (orange to black/blue-black) indicating presence of
starch
View source
Using the Biuret Test
1.
Prepare
food sample
2.
Add
Biuret solution
3. Observe colour change (
blue
to
purple
) indicating presence of
proteins
View source
Using the Sudan III Test
1.
Prepare
food sample
2.
Add
Sudan III
stain
3. Observe separation into
two
layers with
top
layer bright
red
, indicating presence of
lipids
View source
Meat and cheese are
protein-rich
foods
View source
Lipids
are found in foods such as
oil
,
margarine
and
milk
View source
A
risk assessment
should be done before
conducting
these
food tests
due to the
chemicals
involved
View source
See similar decks
GCSE Biology
4243 cards
OCR GCSE Biology
2284 cards
WJEC GCSE Biology
2787 cards
Edexcel GCSE Biology
2635 cards
CCEA GCSE Biology
1402 cards
AQA GCSE Biology
3781 cards
cell differentiation
biology
47 cards
2.1 Principles of Organisation
GCSE Biology > Unit 2: Organisation
73 cards
Unit 2: Organisation
GCSE Biology
611 cards
Topic 1: Key Concepts in Biology
Edexcel GCSE Biology
340 cards
6.5 Forensic Biology
Edexcel A-Level Biology > Topic 6: Immunity, Infection and Forensics
226 cards
Unit 2: Organisation
AQA GCSE Biology
441 cards
2.1 Principles of Organisation
AQA GCSE Biology > Unit 2: Organisation
47 cards
Unit 1: Cell Biology
GCSE Biology
527 cards
OCR A-Level Biology
3977 cards
Edexcel A-Level Biology
8631 cards
AP Biology
3360 cards
4.4 Chi-Squared Tests
AQA A-Level Further Mathematics > Optional Application 2 – Statistics
158 cards
3.5 Food Choice
AQA GCSE Food Preparation and Nutrition
619 cards
7.5 Food Production
GCSE Biology > Unit 7: Ecology
197 cards
2.1 Food and Drink
GCSE French > Theme 1: People and Lifestyle > 2. Health and Lifestyle
67 cards