Fruits and Vegetables Flashcards
What is the micronutrient composition of fruits and vegetables?
some minerals, some B, A and C
What happens to fruits and vegetables as they age?
There is an increase in hemicellulose and lignin
What is the limiting amino acid in soybeans?
methionine
What is the protein content in protein concentrates? isolates?
> or = 70%; > or = 90
What happens to starch in fruits and vegetable as it ages?
Turns to sugar
Assign a stage of ripeness to the following compounds: Pectin, protopectin and pectinic acid?
Pectin–> ripe fruits
protopectin–> unripe fruit
pectinic acid–> overripe fruit
How can an enviorment be modified to delay the aging process in apples?
Oxygen must be reduced
which food darken rapidly when cut?
fruits low in vitamin C
How many oranges does it take to make 1 qt of juice?
12 oranges
What does a Brix hydrometer measure?
the density of a syrup
Which substance speeds up the cooking process off fruits and vegetable?delays it?
acid;base and calcium
What is the color of chlorophyll when it’s cooked in an acid? base?
olive green;bright green
These foods contain lycopene?
tomatoes, watermelon, apricots
Flavonoids that are affected during cooking?
anthocyanins and anthoxathins
Pigments that are insoluble in water
chlorophyll and carotenoids
what color are flavones (anthoxanthins) in an acid?
colorless
what color are flavones (anthoxanthins) in a base?
yellow
Which vegetables contain sugar?
corn and peas
natural source of msg
young vegetables
How should brussel sprouts be cooked to obtain the best flavor?
uncovered with little water
Compound responsible fro astringent feeling in the mouth
tannins
Names the grades of Canned produce and describe the ir use
A(Fancy)-desserts and salads
B(choice)-processed
C (standard)-pie filling
Name the grades of fresh produce
Fancy Extra #1 #1 Combination #2
Why did the potatoes become green inside?
chlorphylyn developed because the potato was exposed to sunlight?
How are old potatoes different from fresh potatoes?
old potatoes taste sweeter, cook to a darker brown, and are softer in texture/
Guidelines to boil vegetables
use a small amount of water with salt and cover
Guidelines to boil acici vegetables
increase amount water and do not cover
Which vegetables should be used for stir-frying?
tender vegetables
Why is the cooking time shortened for frozen vegetables?
The blanching and freezing have made them tender
Preparation suggestions for cauliflower
cook cauliflower for a short amount of time cover
Preparation suggestions for broccoli
cook in the microwave because it takes less time and it retain color better
Preparation suggestion for cabbage
cook in large amounts of water for a short amount of time with the lid on initially
A #10 contains how many cups and how many serving
13 cups;20-25 serving
How many #10 can come in a case? How much does it weigh?
6 cans; 6 lbs 9 oz
