Eggs.pptx

Marketing Sizes of eggs

Pee wee, Small. Medium, Large, XLg, and Jumbo 

What is the reproductive cell of the hen?

Ovum

Whole Egg Structure and chemical composition of
the egg

100%, water 65%, protein 11.8%, fat 11%, Ash 11.7%.

White Egg Structure and chemical composition of
the egg

58%, water 88%, protein 11%, fat 0.2%, Ash 0.8%

Yolk Egg Structure and chemical composition of
the egg

31%, water 48%, protein 17.5%, fat 32.5%, Ash 2%

Shell Egg Structure and chemical composition of
the egg

11%, water N/A, protein N/A, fat N/A, Ash 96%

What is the percentages of the anatomy of an egg?

Yolk 27-32%, Albumen 56-61%, Membranes (2) < 1%, Shell 8-10%, Cuticle < 1%

The cholesterol content in an extra-large egg?

230mg

The cholesterol content in an large egg?

213mg

The cholesterol content in an medium egg?

180 mg 

Cholesterol a normal component of body and
eggs is essential to ________ and
synthesis of __________

cell membranes & steroid hormones

What the most satisfactory results in wavelength yield and color?

Orange to red (664 to 740 nm)

Pee wee egg weighs how much? (size & minimum size)

425g to 35.4

Small egg weighs how much? (size & minimum size)

510g & 42.5g

Med egg weighs how much? (size & minimum size)

595g and 49.6 g

Large egg weighs how much? (size & minimum size)

680g & 56.7g

Xlg egg weighs how much? (size & minimum size)

765g & 63.8g

Jumbo egg weighs how much? (size & minimum size)

850g and 70.9g

Shell eggs are stored and transported under refrigeration <45 F or 7.2 C.
Grade ___ and ___ are sold at grocery stores in the USA and used in some restaurants.
Grade ____eggs are used in food industry.

AA and A, B

Shell eggs are stored and transported under refrigeration ____ or ______.

<45 F or 7.2 C

USDA’s _________________ inspects eggs under the _______________________________.

Agriculture Marketing Service. Egg Products Inspection
Act of 1970

Practically normal- normal shape, shell
strength not affected by ridges and rough
areas (___ or ___)

AA or A

Abnormal- misshapen, ridges, thin spots (__
_________

B quality

What does a Sound shell state mean?

Shell unbroken

What does a Check shell state mean?

Shell is cracked but membranes are intact.

What does a Leaker shell state mean?

Shell is cracked and egg white is exposed outside the egg 

What does a Clean shell state mean?

Free from foreign substances and stain on the egg.

What does a Dirty shell state mean?

Has foreign substances (dirt) and it has stains.

According the USDA’s AMS, inedible eggs include the following:

• Cooked eggs: the proteins combine due to heating during collection, transportation, and processing

• Musty eggs: they have a musky odor

• Moldy eggs

• Large blood spots or bloody whites

• Green white: cause by Pseudomonas bacteria

• Mixed rots: mixed contents of yolk and egg white due to the egg breaking vitelline membrane

• Bloody rings and embryo eggs in fertilized eggs.

• Sour eggs: caused by Pseudomonas bacteria and fluoresce in UV light

The percentage for the shell for marketing

65%

The percentage for the liquid egg product for marketing

35% ( whole egg, whites, yolk). 

What are the major components of albumen?

water and protein

The percentage of water in Albumen that decreases from outer to inner layers?

84-88%

The percentage of solids in Albumen

11-13%

What are the yolk fatty acids?

Saturated Fa and Unsaturated Fa

Saturated FA Palmitic and Stearic

• 16:0 Palmitic 23.5%
• 18:0 Stearic 14.0%

Resulting in 37.5%

Unsaturated FA percentages

• 16:1 Palmitoleic 3.8%
• 18:1 Oleic 38.4%
• 18:2 Linoleic 16.4%
• 18:3 Linolenic 1.4%
• 20:4 Arachidonic 1.3%
• 20:5 and 22:5 0.4%
• 22:6 0.8% 62.5%

Resulting in 62.5%

At lay there is no air cell. True or False? 

True 

Thickness=

Haugh Unit

Haugh Unit formula

100 x log (h – 1.7 w0.37 + 7.6)

What is H= to in the Haugh Unit formula?

Height of thick albumen in mm

What is W= to in the Haugh Unit formula?

weight of egg in grams

What is the HU in AA?

72 or more

What is the HU in A?

60-71

What is the HU in C?

30 or less

What is the HU in B?

31-59 

Air cell inch of AA

1/8 inch or less in depth

Air cell inches of A

3/16 inch or less in depth

Air cell inch of B

it can be over 3/16 inch in depth