TLE 1st summative exam Flashcards
may be purchased individually, by dozen or in trays of 36 pieces.
Fresh Eggs or shell eggs
are made of high quality fresh eggs. They come in the form of whole eggs with extra
yolks and whites. _______are pasteurized and must be thawed before use.
Frozen Eggs
are seldom used. Their whites are used for preparing meringue._________are used
primarily as ingredients in food industry. They are not commonly sold directly to consumers.
Dried Eggs
one of nature’s complete food and contains high quality protein with all the essential amino acids, all of the vitamins except vitamin c, and many minerals. egg products are good for fortifying food low in protein quality
Nutritive value of egg
Egg has 2 general egg quality
shell quality( Exterior quality) and interior quality
has direct bearing on the functional properties of eggs
interior quality
has direct influence on microbiological quality
shell quality( Exterior quality)
shell quality based on shell cleanliness, shell soundness, shell texture, shell shape
Exterior egg quality
relative viscosity of the albumen, freedom from foreign matter in the albumen, shape and firmness of the yolk and freedom from yolk defects
interior egg quality
3 ways to check the egg quality
candling, water test, smell test
egg-grading process in which the egg is inspected before a penetrating light in a darkened room for signs of fertility, defects, or freshness
Candling
if your eggs sink to the bottom and lie flat on their sides they are _______,
very fresh
if your eggs stand on one end at the bottom, they are _________, but still fine to eat .
a few weeks old
if your eggs float to the surface , they are _______
no longer fresh
the theory is that , as an egg ages the air pocket inside it grows larger, buoying an old egg to the surface
water test
crack your egg and sniff. if you are not worried about keeping the shell intact, you can crack the egg onto a flat surface. if its fresh, yolk should be bright yellow or orange and the albumen should not spread much. you can sniff the egg- fresh eggs do not have any smell
smell test
________is a form of quality control used to classify eggs for exterior and interior quality.
In the Philippines, the grade designations are A, B, C, and D.
egg grading
Several factors influence the size of the egg: breed, age of hen, weight, feed and environmental
factors. Native chickens have much smaller eggs than commercial breeds. Some commercial breeds
have bigger eggs than others. Of the same breed, new layers tend to have smaller eggs compared to
older hens. Pullets that are significantly underweight at sexual maturity will also produce small eggs.
Better fed hens lay larger eggs than underfed ones. The environmental factors that lead to smaller eggs are heat, stress and overcrowding.
Egg Size.
The egg sizes are
JUMBO, Extra Large, Large, Medium, Small and Peewee.
______-the yolk is firm, and the area covered by the white is small; there is large proportion of thick white
to thin white.
AA
_-the yolk is round and upstanding; thick white is large in proportion to the thin white and stands
relatively well round the yolk.
A