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How Baking Works Chapter 10 - Eggs and Egg Products
Food Science - Science Olympiad
21
Other
Not Applicable
01/27/2013

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Term
How much of the edible part of an egg is yolk as compared to white?
Definition
About one-third (33%) is yolk and two-thirds (67%) is white.
Term
Rank egg whites, egg yolks, and whole eggs from highest to lowest in structure-building properties.
Definition
egg whites, whole eggs, egg yolks.
Term
While egg yolks contain both structure-builders and tenderizers, when they are added to baked goods, the net effect is to
Definition
toughen or build structure.
Term
The yellow color in egg yolks is from
Definition
carotenoids.
Term
One way tenderizers work in baked goods and baked custards is by
Definition
slowing the unfolding and aggregation of egg proteins, which raises the temperature of coagulation.
Term
If egg yolks are used in place of whole eggs in cake batter, the cake will most likely
Definition
be more tender and crumbly.
Term
The two components in whole eggs that provide tenderness are fat and
Definition
emulsifiers, such as lecithin.
Term
Rank egg whites, egg yolks, and whole eggs from highest to lowest in fat content.
Definition
egg yolks, whole eggs, egg whites.
Term
Which of the following is not considered a structure builder in baked goods?
Definition
lecithin
Term
A major advantage of frozen, refrigerated, and dried egg products over shell eggs is that egg products are
Definition
pasteurized.
Term
A small amount of citric acid is added to frozen pasteurized whole eggs so that
Definition
the eggs will not turn greenish-gray.
Term
Which would you expect to bake faster and be more likely to curdle and weep?
Definition
baked custard made with whole milk (contains about 3.5% fat)
Term
Which would you expect to bake faster and be more likely to curdle and weep?
Definition
baked custard with a low amount of sugar
Term
Which would you expect to bake faster and be more likely to curdle and weep?
Definition
baked custard made with part lemon juice, part whole milk
Term
The ability of egg whites to generate a large amount of stable foam is due to
Definition
a unique combination of several egg white proteins, including ovalbumin and conalbumin.
Term
Egg whites form a stable foam as
Definition
protein molecules unfold, move to the surface of air bubbles, and aggregate to form a protective film around each bubble.
Term
Small amounts of will decrease both the foaming power and stability of whipped egg whites.
Definition
egg yolk.
Term
Which would you expect to form a more stable meringue?
Definition
shell eggs that are one week old
Term
Which of the following is the fastest to make but is also generally the most delicate and least stable?
Definition
common meringue
Term
When a large amount of granulated sugar is added very quickly to egg whites during whipping
Definition
protein molecules may not unfold properly and the sugar crystals could weigh down the whites, resulting in lower volume or in whites that will not whip.
Term
Which egg whites generally whip up more easily in a common meringue?
Definition
room temperature egg whites
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