tests Flashcards
(22 cards)
What test is used to detect starch?
Iodine test.
What is a positive result for starch?
The iodine solution turns blue-black.
What test is used to detect sugar (glucose)?
Benedict’s test.
What is a positive result for sugar?
The solution turns from blue to green, yellow, or brick red after heating.
What test is used to detect protein?
Biuret test.
What is a positive result for protein?
The solution turns from blue to purple.
What test is used to detect lipids (fats)?
Sudan III test or ethanol test.
What is a positive result for lipids?
A red layer forms on top (Sudan III), or a cloudy white layer appears (ethanol test).
What enzyme breaks down starch?
Amylase.
What enzyme breaks down proteins?
Protease.
What enzyme breaks down lipids?
Lipase.
What test is used to detect starch?
Iodine test.
What is a positive result for starch?
The iodine solution turns blue-black.
What test is used to detect sugar (glucose)?
Benedict’s test.
What is a positive result for sugar?
The solution turns from blue to green, yellow, or brick red after heating.
What test is used to detect protein?
Biuret test.
What is a positive result for protein?
The solution turns from blue to purple.
What test is used to detect lipids (fats)?
Sudan III test or ethanol test.
What is a positive result for lipids?
A red layer forms on top (Sudan III), or a cloudy white layer appears (ethanol test).
What enzyme breaks down starch?
Amylase.
What enzyme breaks down proteins?
Protease.
What enzyme breaks down lipids?
Lipase.
