Cheese

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Man has domesticated milk-producing animals for many thousands of years and ever since then we have known of the propensity of milk to separate into curds and whey. Curds are lumps of phosphoprotein and whey is a watery fluid containing lactose, minerals, vitamins and traces of fat. When milk sours, it coagulates, and the curds and whey separate. This process is called curdling. It is from the curds that cheese is made. In fact, the first and simplest form of cheese was made simply by draining and pressing these curds and adding salt.


Making Cheese

The styles of cheese depend on the type of animal milk used; usually cow, goat, sheep, buffalo, camel, yak and reindeer milk is used. Often two types of milk are combined to make cheese. The taste and texture of the cheese also depends on the butter-fat content of the milk, i.e., whole milk, skimmed milk or low-fat milk. Nowadays, mostly pasteurised milk is used; however, there are a few European varieties that still use raw milk. In most countries, however, the use of raw milk is prohibited due to food safety regulations.

A big discovery in the history of cheese making was the usage of rennets to accelerate the process of curdling milk. Rennets are naturally occurring, complex enzymes found in the stomach of all young mammals to digest their mothers’ milk. The active ingredient in rennet is called rennin or chymosin and the best source of this is the ‘abomasum’ or fourth stomach of suckling calves. It also made from sheep and goats. See RENNET FOR MAKING CHEESE

A few cheeses, also called ‘false cheeses’, are made with the addition of acidic substances, such as lemon juice or vinegar, instead of rennet. The Indian paneer, similar to cottage cheese, is made using this method. This cheese is suitable for vegetarians.


Curing and Flavouring

At the curing stage, the cheese is placed in moulds that are flavoured, or in brine; some may be covered in herbs and spices or washed in alcohol. They are then stored in precise temperature and humidity conditions and allowed to ripen. The amount of time allowed for maturity also varies from a few weeks to a number of years. This allows the flavours to develop, and also gives the cheese certain characteristics—depending on the method, some cheeses develop veins, holes, crusts and rinds.

Some cheeses develop a rind naturally; others are sprayed with bacteria to form the rind. Cheeses may also be washed to encourage certain bacterial growth. Cheese is often stored in cloth or wax. The storage of cheese also depends on the variety of cheese. Many cheeses are produced for sale in different countries and this also affects the storage and packaging of the cheese

Practically every culture in the world has developed a unique method of making cheese, the only major exceptions being China and the Ancient Americas. There are literally hundreds of varieties of cheese available today, and each type has a special method of preparation. France, Italy, Switzerland and England are particularly well known for their many varieties of cheese.

A fairly exhaustive list of the varieties of cheese, classified by country of origin, milk, texture and name is available at Cheese.com.

References and Sources

  • RENNET FOR MAKING CHEESE
  • Wisconsin Cheese
  • Vegetarian Society
  • Cheese.com
  • The Gourmet Food and Cooking Resource
  • Making Cheese at Home
  • CHEESE MAKING ILLUSTRATED
Discussion

Oweing to the overall trend towards low and reduced-fat food, a number of enzyme-modified cheese flavours are coming up to create intense cheese-tasting food without the calories. Read more inside