This document provides information on the nutritional composition, structure, grading, storage, and uses of eggs. It discusses that eggs are a nutritious and versatile food containing high quality protein, fat, vitamins, and minerals. They are easily digested and can be prepared in many ways by utilizing the properties of egg coagulation, aeration, and emulsification in response to heat. Proper handling and storage of eggs is important to maintain quality and safety.
Powerpoint presentation of "Stocks" in Principles of food production.
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cheese ,cheese ,making of cheese ,types of cheese ,classification of cheese ,characterstics of cheese ,catagories of cheese ,soft cheese ,semi hard cheese ,hard cheese ,cheddar cheese
Powerpoint presentation of "Stocks" in Principles of food production.
Disclaimer: I do not own the rights nor property of this powerpoint presentation. All rights reserved to the owner.
Don't forget to follow me on twitter @joviinthecity
Thank You!
xoxo
-Jovi
cheese ,cheese ,making of cheese ,types of cheese ,classification of cheese ,characterstics of cheese ,catagories of cheese ,soft cheese ,semi hard cheese ,hard cheese ,cheddar cheese
Cheddar-type cheeses are characterized by the mixing of salt with the curd before it is pressed into a coherent loaf. Salt considerably retards the growth of lactic acid bacteria. Because of this, most of the lactose in the curd should have been converted before the curd is salted, & curd making, therefore, requires a long time. Moreover, salted curd tends to fuse poorly during pressing if its pH is still too high (above, say, 5.6) because the curd flows insufficiently.Formerly, when cheese was made from skimmed milk, the milk was usually left for creaming for such a long time that it turned sour. Naturally, the curd was also acidic & could thus be salted before pressing; an example is Frisian cheese.
However, currently most cheeses of this type are made of unsoured milk, such as Cantal & almost all British types. The cheese becomes relatively dry due to the long curd-making time & the low pH. Because the salt is relatively homogeneously dispersed through the fresh cheese, it can be made in large loaves, which is desirable to prevent water loss by vaporization & to minimize curing costs. On the other hand, it takes a long time for the interior of the loaf to cool.
These cheeses are typically hard with a long shelf life & without a surface flora. The best known is Cheddar: about 50% fat in the dry matter, not more than 38% water, Originally of cylindrical shape, weighing about 30 kg. Nowadays, mostly rectangular blocks of variable (often large) size are made. Cheddar & derived varieties are now manufactured all over the world, though primarily in English-speaking countries. Cheshire is slightly more acidic & has a somewhat higher water content. This is also true of Caerphilly, but this cheese is eaten while young & is mainly used in cooking. Stilton is quite different. Its salted curd is not heavily pressed & is shaped into a cheese with an open texture; the cheese becomes veined with blue mold.
About stocks, its classification, guidelines in preparing, ingredients and different kind of spices and seasoning.. resources from kto12 grade 10 lesson.
Introduction to cheese
history of cheese
Production of cheese and it's steps of production
types of cheese
ripened cheese, unripened cheese,
Gauda cheese, mozarella cheese, cheddar cheese, swiss cheese, blue cheese, hard cheese and soft cheese.
manufacture, nutrition value
Cheddar-type cheeses are characterized by the mixing of salt with the curd before it is pressed into a coherent loaf. Salt considerably retards the growth of lactic acid bacteria. Because of this, most of the lactose in the curd should have been converted before the curd is salted, & curd making, therefore, requires a long time. Moreover, salted curd tends to fuse poorly during pressing if its pH is still too high (above, say, 5.6) because the curd flows insufficiently.Formerly, when cheese was made from skimmed milk, the milk was usually left for creaming for such a long time that it turned sour. Naturally, the curd was also acidic & could thus be salted before pressing; an example is Frisian cheese.
However, currently most cheeses of this type are made of unsoured milk, such as Cantal & almost all British types. The cheese becomes relatively dry due to the long curd-making time & the low pH. Because the salt is relatively homogeneously dispersed through the fresh cheese, it can be made in large loaves, which is desirable to prevent water loss by vaporization & to minimize curing costs. On the other hand, it takes a long time for the interior of the loaf to cool.
These cheeses are typically hard with a long shelf life & without a surface flora. The best known is Cheddar: about 50% fat in the dry matter, not more than 38% water, Originally of cylindrical shape, weighing about 30 kg. Nowadays, mostly rectangular blocks of variable (often large) size are made. Cheddar & derived varieties are now manufactured all over the world, though primarily in English-speaking countries. Cheshire is slightly more acidic & has a somewhat higher water content. This is also true of Caerphilly, but this cheese is eaten while young & is mainly used in cooking. Stilton is quite different. Its salted curd is not heavily pressed & is shaped into a cheese with an open texture; the cheese becomes veined with blue mold.
About stocks, its classification, guidelines in preparing, ingredients and different kind of spices and seasoning.. resources from kto12 grade 10 lesson.
Introduction to cheese
history of cheese
Production of cheese and it's steps of production
types of cheese
ripened cheese, unripened cheese,
Gauda cheese, mozarella cheese, cheddar cheese, swiss cheese, blue cheese, hard cheese and soft cheese.
manufacture, nutrition value
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
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Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
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Model Attribute Check Company Auto PropertyCeline George
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2. Nutritive value of eggs
Protein: 13%, HBV, albumin &
globulin in white, livetin &
vitellin in yolk.
Fat: 12%, saturated, in yolk, in
fine emulsion because of
lecithin, easy to digest, high in
cholesterol.
Carbohydrate: 0%, serve with
complex carbohydrates, no fibre
present.
3. Vitamins: A & D in yolk, B2,Niacin and B12 ( more
in free range). Lack vitamin C.
Minerals: 1%,Calcium and phosphorus useful
amounts, iron in yolk.
Water: 74%, more in white than yolk.
Energy: 147 kcal, mostly in yolk.
4. Dietetic value of eggs
• Cheap & nutritious, low
budgets
• Versatile
• Protein alternative to
meat/fish
• Source of HBV protein
for lacto-vegetarians
• Restrict on low calorie
or low cholesterol
diets
• Easily digested
therefore good for
invalids, children,
elderly
• Should be served with
food rich in complex
carbohydrates, fibre
and vitamin C
5. Egg structure
• Shell = calcium carbonate, shell is
porous so air, bacteria, smells
and flavours can get in and water
vapour can get out
• Shell pores are covered by a
natural varnish when laid
• 2 membranes - one stuck to the
shell and one surrounding the
white
• Air space at rounded end of the
egg between shell and membrane
• White/ albumin - 2 layers thin
and thick
• Yolk membrane
• Chalazae hold yolk in centre of
white for protection
• Yolk
6. Fresh eggs
• Heavy for size
• Rough shell
• Domed yolk
• Thick white
• Sinks in water
• Date stamp
• Small air space
• No bad smell when
cracked
7. Grading eggs
• Graded by weight and quality
• Weight from size 1-7, size 1=70g
size 7=45g
• Quality decided by candling
• Extra sticker = within 7 days of
laying should be removed when 7
days is over.
• Class A = best, small air space,
poaching frying boiling
• Class B = large air space, staler,
yolk off centre, scrambling,
baking, sauces.
• Class C = similar to class B but
sold only to food manufacturers.
8. Buying and storing eggs
Buying
• Free range cost more.
• Quick turnover
• Class A, B or extra
• Size 1-7
• Check shells
• Check date stamp
• Heavy with rough shell
Storage
• Store at 7-13ºC e.g.
fridge door, for 1 month.
• Away from strong
smelling food
• Rounded end up
• Left over egg white, air
tight container in fridge
• Left over yolk, covered
with water in fridge
• Remove from fridge 1
hour before use
9. Quality assured eggs
• Ireland has an EU approved salmonella plan to maintain
the health of the country’s laying stock.
• Incoming hens must be certified as salmonella free.
• Laying hens are checked for salmonella on a monthly
basis.
• All feed for hens is heat treated.
• Management systems ensure full traceability of eggs.
• Eggs carry best before date and house code and logo.
• All producers and suppliers are inspected and
approved.
• All systems are independently inspected before QA
mark is awarded.
10. Properties of eggs
1. Coagulation
• Egg protein coagulates and sets when heated.
White protein @ 60-65ºC. Yolk protein @ 65-70
ºC.
• Coagulation causes the protein chains to untwist
and straighten (denature) and bond together
around small pockets of water.
• When overheated the protein clumps
together squeezes out the water and
this causes curdling.
• Coagulation is used when eggs are boiled,
poached, scrambled, fried or turned into
omelettes or custards. When eggs are
used to thicken, bind, glaze, coat the
principle of coagulation is used.
11. 2. Aeration/Entrapping air
• Whisking egg or just egg white
brings bubbles of air into a mixture.
• Whisking also causes heating of the
egg protein (by friction) which
slightly sets the protein chains and
makes them unravel and line up
around the air bubbles.
• This causes a temporary foam to
form.
• To keep the foamy texture
permanently in place the mixture
must be further heated or a setting
agent like gelatine must be added.
• Aeration is used to make meringues
and souffles.
12. 3. Emulsification
• Lecithin in egg yolk is an
emulsifier.
• An emulsifier is a substance
that causes mixtures that
would normally separate (e.g.
vinegar and olive oil) to stay
mixed together.
• This property is used in making
mayonnaise and hollandaise
sauce.
13. Uses of eggs in food
preparation
• Binding: sticking ingredients
together e.g. burgers, fish
cakes (coagulation).
• Coating: protects food when
frying, egg is used to stick a
layer on outside of food e.g.
breaded fish (coagulation).
• Glazing: beaten egg brushed
on baked foods to make them
brown and shiny e.g. scones
(coagulation).
• Thickening: e.g. custard
sauce (coagulation).
• Enriching: increasing the
nutritive value of a dish
e.g. brown bread.
• Garnishing: hard boiled egg
sliced or chopped for
decoration e.g. salad or
dressed crab.
• Emulsifying: e.g.
mayonnaise, hollandaise
sauce.
• Aerating: e.g. sponge cake,
meringue.
• Clarifying: egg whites used
to make jelly, stock or wine
clear (coagulation).
14. Effects of heat on eggs
• Egg protein denaturates and coagulates causing it to set
and harden, egg white becomes opaque
• Shrink
• Sulphur in egg white protein reacts with iron in yolk to
form iron sulphide which causes the greenish colour on
outside of the yolk of hardboiled eggs
• Destroys pathogenic bacteria like salmonella.
• Loss of B group vitamins especially vitamin B1
• Too much heat causes curdling
• If overcooked white becomes tough and rubbery, yolk
becomes dry and crumbly
• Egg albumin (white) which is soluble in cold water
becomes insoluble
15. Pasteurisation of eggs
• This involves slowly heating whole raw eggs to kill
harmful bacteria without cooking the egg
• Effects: White is cloudy
Harder to whisk
Cost more
Kills harmful bacteria
Allows children, pregnant women,
elderly, invalids to eat raw egg products
without risk of food poisoning