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Curds are a dairy product obtained by coagulating milk in a process called curdling. The coagulation can be caused by adding rennet or any edible acidic substance such as lemon juice or vinegar, and then allowing it to coagulate. The increased acidity causes the milk proteins (casein) to tangle into solid masses, or curds. Milk that has been left to sour (raw milk alone or pasteurized milk with added lactic acid bacteria) will also naturally produce curds, and sour milk cheeses are produced this way. Producing cheese curds is one of the first steps in cheesemaking; the curds are pressed and drained to varying amounts for different styles of cheese and different secondary agents (molds for blue cheeses, etc.) are introduced before the desired aging finishes the cheese. The remaining liquid, which contains only whey proteins, is the whey. In cow's milk, 90 percent of the proteins are caseins.
In Indian English used only in the Indian subcontinent, the words "curd" or "curds" are used to refer to the traditional/Homemade yogurt known as Dahi, while other words "paneer" and "Chhena" are used to denote curdled milk.
Types of curd
There are two methods to make curd/cheese, with Rennet and with acid.
Using acid, like lemon juice to make curd releases the Lactose into the water. Thus the solid curd formed from this method is good for people with Lactose intolerance. This type of curd is known as Chhena in India.
Using rennet to make curd attaches the Lactose to the solid part. Thus it is not recommended for people with Lactose intolerance. This type of curd is the regular cheese available in supermarkets, such as Cheddar, Mozzarella, Swiz, Parmesan, etc.. Vegetarian rennet, usually from Withania coagulans is used to make Paneer in India.
Curd products vary by region and include cottage cheese, curd cheese (both curdled by bacteria and sometimes also rennet), farmer cheese, pot cheese, queso blanco, and paneer. The word can also refer to a non-dairy substance of similar appearance or consistency, though in these cases a modifier or the word curdled is generally used.
Cheese curds, drained of the whey and served without further processing or aging, are popular in some French-speaking regions of Canada, such as Quebec, parts of Ontario, and Atlantic Canada. In Quebec, eastern Ontario and the eastern provinces such as New Brunswick, cheese curds are popularly served with french fries and gravy as poutine. Curds are also typical of some Germanic-descent regions such as historic Waterloo County in Ontario.
Albanian gjiza is made by boiling whey for about 15 minutes and adding vinegar or lemon. The derivative is drained 3 to 4 times with a napkin or piece of cloth and salted to taste. Gjiza can be served immediately or refrigerated for a couple of days.
- Aarts, Mongolian fermented curd, eaten as a dried snack or reconstituted as a hot beverage
- Coalhada, Brazilian curd
- Curd snack, a snack popular in the Baltic States
- Kurt or Qurut, central Asian cheese curd
- List of dairy products
- Ostkaka, Swedish style cheese cake, some call it a Swedish National dish
- Paskha, a Russian Easter dessert made of quark
- Skyr, Icelandic curd
- Tofu, the coagulated product from soy milk, from eastern and south-eastern Asian countries
- Túró Rudi, a Hungarian chocolate bar with curd
- Urdă, a Balkans fresh white cheese made from whey.
- Curd -Indian English Dictionary
- "Curds 'n' Whey 'n' Poutine – Waterloo Region Eats". Waterlooregioneats.com. 2015-12-21. Retrieved 2018-04-16.