Cheese in the categorization of these cheeses is their age. Fresh cheeses without additional preservatives can spoil in a matter of days. Content (double cream, goat, ewe and water buffalo) Some cheeses are categorized by the source of the milk used to produce them or by the added fat content of the milk from which they are produced. While most of the world's commercially available cheese is made from cows' milk, many parts of the world also produce cheese from goats and sheep. Some cheeses are described by their fat content. Double cream cheeses are soft cheeses of cows' milk enriched
Types of cheese taste clean, salty and acidic when fresh, developing some piquancy when aged, and most will be white. Varieties of brined cheese include bryndza, feta, halloumi, sirene, and telemea. Brined cheese is the main type of cheese produced and eaten in the Middle East and Mediterranean areas. Processed cheese is made from traditional cheese and emulsifying salts, often with the addition of milk, more salt, preservatives, and food colouring. Its texture is consistent, and melts smoothly. It is sold packaged and either pre-sliced or unsliced, in several varieties. Some are sold as sausage-like logs and chipolatas (mostly in Germany and USA),