Vocabulary
A nutrient made of long chains that affect food structure.
What is added to egg whites when they are whisked?
What is air?
Heating egg whites makes them turn white and ________.
What is solid or firm?
Lemon juice and vinegar are examples of this.
What is an acid?
Apples turn brown when enzymes react with this.
What is oxygen?
The word that means a protein changes shape or unfolds.
What is denature?
Whisking causes proteins to form a thin film that traps ________.
What is air?
Heat causes proteins to denature and then ________.
What is coagulate?
Acid causes proteins to unfold and ________.
What is clump together?
Lemon juice slows apple browning because it ________ the enzyme.
What is blocks or slows?
When proteins clump together and turn firm or solid.
What is coagulate?
Whisking egg whites changes them from runny to ________.
Which happens first when heating egg whites: color change or freezing?
What is color change?
Fresh pineapple contains this enzyme.
What is bromelain?
Milk + acid forms ________.
What are curds?
A fluffy structure made when air is trapped in proteins.
What is foam?
Name a food made using whisked protein foam.
What is meringue?
(whipped egg whites)
Why don’t cooked eggs turn back into liquid when cooled?
What is because protein denaturation is not reversible?
Why does fresh pineapple stop gelatin from setting?
What is because the enzyme breaks the protein?
Which treatment caused the firmest protein structure in labs?
What is heat?
A tiny protein that speeds up chemical reactions.
What is an enzyme?
True or False: Whisking fully cooks the protein.
What is false?
Name one reason heat is important when cooking protein foods.
What is safety? What is texture change or firmness?
Why does canned pineapple work in gelatin?
What is because heat inactivates the enzyme?
Different cooking methods change food texture because proteins ________.
What is denature? (change shape)