Food Selection & Evaluation
What are the five criteria for food selection?
Taste, texture, appearance, aroma, and temperature.
What is it to Julienne?
Julienning is cutting food into long, thin strips;.
What is a Yield Test?
A test that determines the amount of usable product obtained from raw ingredients.
Which substance promotes ripening (or spoilage) in some fruits?
Ethylene gas
What is considered the accepted ratio of oil to vinegar in the construction of a salad dressing (or emulsion)?
3:1
What sense is considered the most influential in food selection?
The sense of taste.
Describe the impact of a dark pan on baked goods
A dark pan absorbs more heat, leading to faster browning and possibly uneven cooking.
How many Tablespoons are in one cup?
16
What enzyme found in papayas is able to break down protein?
Papain
Name the three types of emulsions and give examples of each.
Temporary - simple oil/vinegar dressing
Semi-permanent - emulsified vinaigrettes
Permanent - mayo
What does a Hedonic Test measure?
A subjective test that measures the preference or liking of a food product.
Name the types of dry heat preparations.
Baking, roasting, broiling, frying, grilling, and broiling.
How many ounces are in 1 quart (assume the density of water)
32 ounces
When classifying fruits, raspberries are an example of?
An an aggregate fruit.
Name the three steps to gel formation.
Hydration
Dispersion
Gelation
What is a Triangle test?
A sensory test where three samples are presented; two are the same and one is different. Participants identify the odd sample.
What are the main differences between conduction, convection, and radiant heat?
- Conduction is heat transfer through direct contact
- Convection is heat transfer through fluid motion
- Radiant is heat transfer through electromagnetic waves
1 pound is equal to how many grams?
454 g (453.592)
Simple fruits include what three classifications?
Drupes: seeds encased in a pit
Pomes: seeds encased in a central core
Citrus
What type of enzyme can weaken gel formation?
Proteolytic or Proteas
What is the difference between subjective testing and analytical testing?
Subjective testing is based on personal preference, while analytical testing uses objective measures (such as instrumentation) and criteria.
Draw a food preparation station for the lab.
Must include:
- wet towel under cutting board
- station with bowls for prepped items and trim
- knife securely under board when not in use
When using pounds or grams, are you measuring volume, space, or mass?
You are measuring mass.
Name a vegetable that is classified as a flower:
Artichoke
Broccoli
Cauliflower
Which plant pigment contains anthocyanins?
Flavonoids