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35 Cards in this Set
- Front
- Back
5 functions of eggs
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-emulsifies
-coats -clarifies -produces foam -forms gel |
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where are all of the emulsifying products in an egg?
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the yolk
|
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two things in yolk
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-lecithin
-lysolecithin |
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is there fat in the yolk or white?
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yolk ONLY
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6 components that make up egg structure?
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-bloom (protective shell coat)
-shell -egg white (thick and thin) -chalziferous (inner layer of thin white) -yolk -chalazae (anchors yolk to center of egg |
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characteristics of fresh eggs
(yolk shape, egg white, air cells, sulfur presence) |
yolk-rounded
white-twice as much thick than thin air cells-none or small sulfur smell- none |
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characteristics of deteriorated eggs
(yolk shape, egg white, air cells, sulfur presence) |
yolk- flat
white- more thin than thick air cells-larger sulfur smell-present |
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which quality egg is best for baking?
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B
|
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dishes containing eggs should be cooked to what temp?
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160 F
|
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hard cooked egg method?
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start in room temp water
boil water then take heat off and let eggs sit in water for 15-17 min |
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poached egg method?
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gently slip egg into salted water heated just under boiling
cook for 5 min |
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ways to alleviate spreading of yolk in poached eggs?
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-add acid
-add salt -use egg poacher or vortex |
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when making an omlet, when is the skillet heated?
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before adding eggs
|
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how to make a fluffy omlet?
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egg whites are whipped
and yolks are folded in |
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difference between stirred and baked custards?
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stirred is made over a double boiler and then placed in an ice bath after (to prevent curdling)
|
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three stages of beating egg whites?
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1. soft peak
2. stiff peak (peak stands up) 3. dry peak (breaks)-do not want this |
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how much sugar per egg white in a soft meringue?
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2- 2 1/2 tablespoons
|
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how much sugar in a hard meringue?
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twice the amount of sugar as soft
|
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effect of underbeating egg white foams
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too liquidy
|
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effect of overbeating egg white foams
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dry
|
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effect of salt on egg white foams
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decreases stability
|
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effect of liquid on egg white foams
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decreases stability
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effect of yolk on egg white foams
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decreases stability (because of fat content)
|
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effect of sugar on egg white foams
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increases stability (and time to form)
|
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effect of acid on egg white foams
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increases stability (and time to form)
|
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temperature effect on volume of egg white foams
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room temp will have more volume than cold
|
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freshness effect on volume of egg white foams
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fresher=more volume
|
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type of beater effect on volume of egg white foams
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wire whisk incorporates more air
=more volume |
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acid effect on volume of egg white foams
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decreases volume
|
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yolk effect on volume of egg white foams
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decreases volume
|
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sugar effect on volume of egg white foams
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decreases volume
|
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salt effect on volume of egg white foams
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decreases volume
|
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water effect on volume of egg white foams
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increases volume
|
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do egg substitutes contain yolk?
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no
|
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what can egg substitutes be?
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-corn oil and non fat dry milk
-soy protein isolate -soybean oil -egg white solids calcium caseinate |