Food Tests Flashcards
(4 cards)
What food test contains sugar?
Benedicts solution
And it starts blue and add it to solution and then heat if no sugar is present green if some is and red if a high amount is in it
Blue to green to yellow to brick red
Ben Bury hates sugar so its the sugar test
And Ben likes Chelsea so it starts blue
And if it turns red it reminds of him of arsenal so he hates it cus he also hates sugar
What food test contains lipids or fats?
Ethanol
Add a few drops and shake vigorously then leave it
Pour the ethanol solution into another boiling tube containing water if it turns cloudy it has lipids
What food test contains protein?
Biuret solution/reagent
It starts at a light blue and add it and
If it turns purple it’s protein is there
So biuret is for protein
So it starts blue for biuret
And end with purple if positive from the p in protein
What food test contains starch?
Iodine test
Add Iodine orange colour liquid at start
If turns blue-black starch is present
Iodine reminds me of I and I am a Star so stars are yellowy orange
And the night sky is blue/blacky so that what the colour turns to if starch is present