Food Tests🌮 Flashcards
What Is added to test for glucose
Benedict’s solution
Explain the procedure to test for glucose
Add benedicts In test tube
Heat the test tube for five minutes in a water bath at sixty to seventy degrees
Colour change will be from blue to orange or brick red
What is added to test for protein
Biuret solution
Explain the test for protein
Add drops of biuret solution to the food sample
Colour change will be from blue to violet/purple
What do u add to test for starch
Iodine
Colour change if the starch is present in the Sample
Yellow brown to blue black
What do you add to test for lipids
You ad ethanol to the sample as well as the same volume of cold water as the ethanol
How to know lipids are present
Emulsion will be forming ( cloudy emulsion )
What do u add to test for vitamin C
You ad DCPIP to the sample
Colour change if vitamin C is present in the solution
The colour of the DCPIP will start to disappear ( blue colour will start to disappear )