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D1 Topic A: Food science and nutrient composition of foods
Domain I: Principles of Dietetics, 25% of exam
148
Nutrition
Post-Graduate
06/01/2017

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Cards

Term
% water in fruits/veg
Definition
75-93%
Term
fruits/veg w/calcium (2)
Definition
-oranges
-greens
Term
vitamins in fruits/veg (3)
Definition
-vit. C
-vit. A
-some B
Term
OSMOTIC PRESSURE OF WATER-FILLED VACUOLES CREATES _________ IN FRUITS/VEG
Definition
CRISPNESS (STATE OF TURGOR)
Term
lignin
Definition
non-CHO substance
Term
what happens to lignin when cooked?
Definition
not significantly softened by cooking
Term
aging fruits/veg increases (2)
Definition
-hemicellulose
-lignin
Term
limiting amino acid in soybeans
Definition
methionine
Term
% protein in soybean protein concentrate
Definition
>= 70%
Term
% protein in soybean protein isolate
Definition
>= 90%
Term
which type of protein is used in TVP?
Definition
soybeans
Term
ripening is caused by
Definition
chemical changes d/t enzymes
Term
ripening causes _______ to _____
Definition
starch to sugar
Term
protopectin to ______ (ripe fruit) to __________ (overripe fruit)
Definition
protopectin to pectin to pectic acid
Term
WHAT ACCELERATES THE RIPENING OF FRUITS DURING STORAGE?
Definition
ETHYLENE GAS
Term
temperature for frozen fruit
Definition
at/near 0 degrees Fahrenheit
Term
WHICH 4 FRUITS/VEG RIPEN BEST AT ROOM TEMP?
Definition
-AVOCADOS
-BANANAS
-PEARS
-TOMATOES
Term
HOW TO STORE APPLES TO DELAY AGING?
Definition
STORE IN CONTROLLED ATMOSPHERE (REDUCED O2)
Term
WHEN SHOULD BERRIES AND MUSHROOMS BE WASHED?
Definition
JUST BEFORE SERVING
Term
fruits low in _________ darken rapidly when cut d/t enzymatic action
Definition
vitamin C
Term
how to prevent fruits from darkening when cut? (3)
Definition
-dip in citrus juice
-add sugar before freezing
-heat to boiling
Term
ONE DOZEN ORANGES YIELDS HOW MUCH JUICE? (3 UNITS)
Definition
-1 QUART
-4 CUPS
-32 OZ
Term
how does cooking affect cellulose?
Definition
softens it
Term
syrup (sucrose) made by
Definition
adding sweetener to liquid of packing juice
Term
what unit is density of syrup expressed as?
Definition
% by wt of sucrose
Term
how is syrup measured and by what?
Definition
degrees Brix by Brix hydrometer
Term
syrup labels (4)
Definition
-extra light
-light
-heavy
-extra heavy
Term
CHLOROPHYLL COLOR
Definition
GREEN
Term
chlorophyll solubility
Definition
insoluble in water
Term
PHEOPHYTIN
Definition
OLIVE GREEN CHLOROPHYLL IN ACID
Term
CHLOROPHYLLIN COLOR
Definition
BRIGHT GREEN CHLOROPHYLL IN ALKALINE
Term
CHLOROPHYLLIN TEXTURE
Definition
MUSHY D/T HEMICELLULOSE BREAK DOWN
Term
WHICH PIGMENT IS LEAST AFFECTED BY pH CHANGE?
Definition
CAROTENOIDS
Term
WHICH PIGMENT IS GREATLY AFFECTED BY pH CHANGE?
Definition
ANTHOCYANINS
Term
carotenoid color
Definition
yellow, orange
Term
carotenoid solubility
Definition
insoluble
Term
carotenoid in acid/alkaline
Definition
little effect in acid/alkaline
Term
lycopene is a
Definition
phytochemical
Term
lycopene color in (3)
Definition
red in tomatoes and watermelon, overtones in apricots
Term
lycopene fx
Definition
acts as antioxidant
Term
2 types of flavonoids
Definition
-anthocyanins
-anthoxanthins/flavones
Term
anthocyanin color
Definition
red, blue, purple
Term
anthocyanin solubility
Definition
soluble in water
Term
anthocyanin color in acid
Definition
bright red in acid
Term
anthocyanin color in alkaline
Definition
bluish in alkaline
Term
anthoxanthin aka
Definition
flavones
Term
anthoxanthin color
Definition
white
Term
anthoxanthin solubility
Definition
soluble in water
Term
anthoxanthin color in acid
Definition
colorless
Term
anthoxanthin color in alkaline
Definition
yellow
Term
which component provides flavor in young vegetables and used in form of salt (MSG)?
Definition
glutamic acid
Term
which component provides flavor in onion/cabbage?
Definition
-sulfur
Term
which 2 components mix when onion/cabbage are cut?
Definition
enzymes and sulfur are mixed
Term
cooking method for best flavor for Brussel sprouts
Definition
cook uncovered w/little water
Term
flavor of fruit is d/t (3)
Definition
-acids
-sugar
-aromatic compounds
Term
what component causes astringent feeling in mouth? ex. under-ripe banana
Definition
tannins
Term
CANNED FRUIT/VEG GRADES INC. TYPES OF FOOD (3)
Definition
-GRADE A (FANCY): DESSERTS, SALADS
-GRADE B (CHOICE): PROCESSED
-GRADE C (STANDARD): PUDDINGS, PIES
Term
FRESH PRODUCE GRADING (5)
Definition
-FANCY
-EXTRA #1
-#1
-COMBINATION
-#2
Term
WHO GRADES PRODUCE?
Definition
USDA
Term
what compound causes color changes in raw, peeled, or bruised potatoes?
Definition
phenolic compounds
Term
WHAT IS GREEN COLOR UNDER SKIN OF POTATOES CAUSED BY
Definition
CHLOROPHYLL DEVELOPS WHEN POTATO IS EXPOSED TO LIGHT DURING STORAGE
Term
SOLANINE
Definition
NATURAL TOXICANT THAT CAN DEVELOP WHEN POTATO IS EXPOSED TO LIGHT DURING STORAGE
Term
STARCH CHANGES TO ____ DURING STORAGE
Definition
SUGAR
Term
TASTE OF OLD POTATOES COMPARED TO NEW
Definition
SWEETER
Term
COLOR WHEN COOKING OLD POTATOES D/T ? COMPARED TO NEW
Definition
DARKER BROWN D/T MAILLARD REACTION
Term
OLD POTATO TEXTURE COMPARED TO NEW
Definition
SOFTER IN TEXTURE
Term
acidic vegetables need (more/less) time to cook, (more/less) water, (lid/no lid)
Definition
acidic vegetables need
-more time to cook
-more water
- no lid
Term
pan or no pan for boiling
Definition
covered pan unless otherwise indicated
Term
effect of pressure cooking on color
Definition
retains color
Term
effect of pressure cooking on flavor
Definition
retains flavor
Term
size of pieces for pressure cooking
Definition
cut small
Term
best vegetables for stir-fry
Definition
tender, high in moisture
Term
drain stir fry pan?
Definition
no
Term
FROZEN FRUITS/VEG HAVE (SHORTER/LONGER) COOKING TIME THAN FRESH. WHY?
Definition
-SHORTER COOKING TIME
- BLANCHING AND FREEZING MADE TENDER
Term
cooking suggestions for cauliflower
Definition
cook cauliflower for short time, covered
Term
broccoli in microwave takes (more/less) time
Definition
less
Term
broccoli in microwave has (same/different) flavor
Definition
same flavor
Term
broccoli in microwave retains color slightly (better/worse)
Definition
better
Term
broccoli in microwave has (better/worse) retention of vit. C
Definition
better
Term
broccoli in microwave has large difference in eating quality (t/f)
Definition
false
Term
3 steps to minimize dev't of strong flavor when cooking cabbage
Definition
-cook for a short time
- keep lid off initially to let acids escape
-cook in large amount of water
Term
#CANS/CASE IN #10 CAN
Definition
6 CANS/CASE
Term
# cans/case in #3 can
Definition
12 cans/case
Term
# cans/case in #2 1/2 can
Definition
24 cans/case
Term
# cans/case in #2 can
Definition
24 cans/case
Term
# cans/case in #300 can
Definition
24 cans/case
Term
net weight of #10 can
Definition
6# 9 oz
Term
net weight of #3 can
Definition
46 oz
Term
net weight of #2 1/2 can
Definition
1# 13 oz
Term
net weight of #2 can
Definition
1 # 4 oz
Term
net weight of #300 can
Definition
14-16 oz
Term
MEASURE OF #10 CAN
Definition
13 C
Term
measure of #3 can
Definition
5 3/4 c
Term
measure of #2 1/2 can
Definition
3 1/2 c
Term
measure of #2 can
Definition
2 1/2 c
Term
measure of #300 can
Definition
1 3/4 c
Term
# servings in #10 can
Definition
20-25
Term
# servings in #3 can
Definition
12-15
Term
# servings in #2 1/2 can
Definition
6-8
Term
# servings in #2 can
Definition
4-6
Term
# servings in #300 can
Definition
3-4
Term
MYOFIBRIL
Definition
MUSCLE FIBER
Term
CONNECTIVE TISSUE FX
Definition
HOLDS FIBERS IN BUNDLES
Term
2 CONNECTIVE TISSUE PROTEINS
Definition
-COLLAGEN
-ELASTIN
Term
COLLAGEN
Definition
STRUCTURAL PART OF TENDON THAT SURROUNDS MUSCLE
Term
COLLAGEN IN HEAT
Definition
HYDROLYZED TO GELATIN AND BECOMES TENDER
Term
ELASTIN IN HEAT
Definition
RESISTANT TO HEAT
Term
ELASTIN CHANGE DURING COOKING
Definition
LITTLE CHANGE
Term
elastin found in (2)
Definition
-ligaments
-cartilage
Term
elastin color
Definition
yellow color
Term
marbling
Definition
fat deposited around organs, muscles, in muscles
Term
finish
Definition
amount of fat cover on carcass
Term
round bone identifies what type of cut
Definition
round bone = leg
Term
T-bone identifies what type of cut
Definition
T-bone = back and ribs
Term
% protein in meat/poultry/fish
Definition
16-23% protein
Term
glycogen located in
Definition
liver
Term
glucose located in
Definition
blood
Term
6 vitamins/minerals in meat/poultry/fish
Definition
-thiamin
-niacin
-riboflavin
-iron
-copper
-trace minerals
Term
pork is a good source of which micronutrient?
Definition
thiamin
Term
fish has (more/less) fat than meat
Definition
fish has less fat than meat
Term
fish has (more/less) moisture than meat
Definition
more moisture than meat
Term
fish has (more/fewer) calories than meat
Definition
fewer calories than meat
Term
all fish are high in protein (t/f)
Definition
true
Term
calcium content high in 3 types of fish/seafood
Definition
-fish canned with bones
-oysters
-shrimp
Term
TVP
Definition
textured vegetable protein; fabricated into simulated meat products
Term
HOW TO EXTEND NUMBER OF SERVINGS AND LOWER COST OF GROUND MEAT?
Definition
CUT WITH TVP
Term
WHAT DOES SOY PROTEIN ADD TO TVP?
Definition
JUCINESS B/C OF WATER CONTENT
Term
WHICH PIGMENT IS MAIN CONTRIBUTOR TO MEAT COLOR?
Definition
MYOGLOBIN
Term
MYOGLOBIN + OXYGEN COLOR PROGRESSION; IS THIS A HARMFUL CHANGE
Definition
RED -> BROWN -> GREEN; NOT HARMFUL
Term
WHY DOES MEAT TURN GREEN?
Definition
D/T FURTHER MYOGLOBIN BREAKDOWN
Term
HOW LONG TO HOLD MEAT/POULTRY/FISH IN COLD STORAGE TO AGE/RIPEN
Definition
10 DAYS
Term
AGING INCREASES WHICH QUALITY IN MEAT/POULTRY/FISH
Definition
TENDERNESS
Term
WHAT CHANGE DO ENZYMES BRING ABOUT IN MUSCLE PROTEIN?
Definition
INCREASE THE WATER-HOLDING CAPACITY OF THE MUSCLE
Term
WHICH TWO INGREDIENTS INCREASE TENDERNESS OF MUSCLE AND HOW?
Definition
-ACID (VINEGAR)
-SALT
-INCREASES WATER-HOLDING CAPACITY
Term
physical activity of animal (will/will not) increase tenderness
Definition
will not
Term
SOUS VIDE
Definition
VACUUM-PACKING MEAT IN AN OXYGEN-IMPERMEABLE
Term
WHAT STORAGE METHOD EXTENDS LIFE OF MEAT
Definition
SOUS VIDE
Term
what temperature to store sous vide for ANAEROBIC
Definition
unfrozen at 0 degrees Celsius
Term
MAP
Definition
MODIFIED ATMOSPHERE PACKAGING
AIR IS REMOVED AND REPLACED WITH GASES (CARBON DIOXIDE, NITROGEN)
Term
MEAT INSPECTION IS (VOLUNTARY/MANDATORY)
Definition
MANDATORY
Term
WHO DOES MEAT INSPECTION?
Definition
USDA
Term
WHEN IS MEAT INSPECTION DONE?
Definition
AT SLAUGHTER
Term
WHOLESOME MEAT ACT OF 1967
Definition
ASSURES CONSUMER THAT THE ANIMAL WAS HEALTHY AT THE TIME OF SLAUGHTER AND THE MEAT IS FIT FOR HUMAN CONSUMPTION: ASSURES WHOLESOMENESS
Term
MEAT INSPECTION STAMP
Definition
ROUND PURPLE STAMP "USDA INSPECTED AND PASSED"
Term
MEAT GRADING IS (MANDATORY/VOLUNTARY)
Definition
VOLUNTARY
Term
what indicates quality of meat?
Definition
grading
Term
MEAT GRADE
Definition
APPEARS ON A SHIELD
Term
WHO GRADES MEAT?
Definition
AGRICULTURAL MARKETING SERVICE OF THE USDA AT THE STATE LEVEL
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