Food Analysis Flashcards
Lugol’s solution tests for ________.
Starches
Benedict’s solution tests for _______.
Glucose
Biuret solution tests for ________.
Proteins
Sudan solution tests for ______.
Lipids
Benedict’s solution is ____ when negative, and ______ when positive.
Blue, orange
Lugol’s solution is _____ ______ when negative, and ______ when positive.
Light orange, purple
Biuret solution is pale _____ ____ when negative, and _____ ______ when positive.
Light blue, light purple
Sudan solution is ___ when negative, and __________ when positive.
Red, grapefruit
What is protein?
A structural component of all body tissues, muscles, hair, and collagen.
What are carbohydrates?
They are used by your body to create glucose, and give you energy.
What two groups can carbohydrates be further broken down into?
Simple sugars, and complex carbohydrates (starches)
What is a calorie?
A unit if energy given by a food or drink.
What is the difference between saturated and unsaturated fat?
Unsaturated fat contains a double bond within the fatty acid chain.
What is cholesterol?
A steroid lipid found in the cell membranes if all body tissues. The human body produces all of the cholesterol it needs.