Cheese and Commercial methods Flashcards
Give examples of hard cheese
Cheddar, Parmesan
Give examples of semi hard cheese
Cheshire, Edam, Wensleydale
Give examples of soft ripened (bloomy rind) cheese
Brie, Camembert
Give examples of blue cheese
Stilton, Gorgonzola, Roquefort
Give examples of washed rind cheese
Stinking bishop
Give examples of fresh cheese
Mozzarella, cottage cheese
What are some advantages of preserving food?
Food lasts longer so need for shopping is reduced
Less waste
Gives you a bigger range of products
Stops microorganismos multiplying - stops enzymes deteriorating
Allows you to have foods that are not in season
What are some disadvantages of preserved (processed) food?
Often have more additives
Can sometimes be more expensive that fresh foods
Have a lot of fat or salt
Lack of fibre
Nutrients are lost e.g. cereals
Texture of the food may change e.g. tinned carrots are very soft
What happens during pasteurisation?
Heating food to 72 degrees for 15 seconds in order to kill pathogenic microorgs
What happens during sterilisation and what foods use this method?
Use of very high temperature (104 degrees) for 40 minutes to destroy all microorgs and enzymes in food
Milk, fruit juices and low acid canned foods use this method
What foods can be preserved by pasteurisation?
Milk, cream, ice cream, eggs, wine, canned fruit, fresh soups and fruit juices
What happens during ultra heat treatment (UHT)?
Uses high temperatures (130 degrees) for 1-5 seconds
Sometimes know as HTST (high temperature short time)
What is canning?
It is a form of sterilisation
What does freezing cause the bacteria to do?
Freezing causes the bacteria to be dormant
What are the advantages of cook-chill foods?
Available in single portions
No defrosting required, quicker to cook/reheat
Fresh foods kept at max quality for a longer time
Saves energy in the home
Little waste
Fewer additives used on manufacture
Little change in nut value, colour, flavour, texture or shape
Consistent quality
Nutrients not destroyed
Larger range of fresh and convenience foods for the customer
No skill needed - easy to prepare/cook/make. Little equipment/washing up