Dairy products are food products made from or containing milk. They include common grocery store foods such as yoghurt, cheese, milk, and butter. Dairy products are consumed worldwide, though some people avoid them due to lactose intolerance, veganism, environmental concerns, or other health reasons. Cheese is a type of dairy product that is produced in a range of flavours, textures, and forms by coagulating milk protein. It is usually made from the milk of cows, buffalo, goats, or sheep.
Characteristics | Values |
---|---|
Definition | Food products made from (or containing) milk |
Common Examples | Yogurt, cheese, milk, and butter |
Common Dairy Animals | Cow, water buffalo, nanny goat, and ewe |
Milk Types | Pasteurized, Skim, Fortified, Ultra-High-Temperature (UHT) |
Cheese Types | Cheddar, Mozzarella, Brie, Gouda, Parmesan, etc. |
Health Benefits | Building and maintaining strong bones and teeth |
Nutrients | Protein, Calcium, Vitamin B12, Vitamin D, Vitamin A, Zinc, Selenium |
What You'll Learn
Cheese is a dairy product made from milk
Cheese is made through the coagulation of the milk protein casein. During production, milk is usually acidified and enzymes are added to cause the casein to coagulate. The solid curds are then separated from the liquid whey and pressed into finished cheese. The curds are cut into small cubes to allow more water to drain from the individual pieces. Salt is then added, which preserves the cheese from spoiling and gives it a salty flavour.
There are over a thousand types of cheese, produced in various countries. Their style, texture, and flavour depend on several factors, including the origin of the milk, whether it has been pasteurised, its butterfat content, the bacteria and mould present, the processing methods used, and how long it has been aged. Cheeses can be flavoured with herbs, spices, or wood smoke, and can be coloured with ingredients such as black pepper, garlic, chives, or cranberries.
Cheese is a good source of fat, protein, calcium, and phosphorus. It is also more compact and has a longer shelf life than milk. The long storage life of some cheeses, especially when encased in a protective rind, allows them to be sold when markets are favourable.
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Milk is produced by cows, water buffalo, goats, and sheep
Cows are the most common source of milk for dairy products, with Americans getting at least 97% of their dairy from cows. Cows produce the most milk of any animal, ranging from 12 to 20 gallons a day. The milk has a grassy and sweet flavour and contains a lot of lactose and water. However, due to the high water content, a relatively small amount of cheese is produced from cow's milk.
Goats produce about two gallons of milk per day, which is very rich and high in nutrients. Goat's milk has a distinct goaty smell and flavour, and the resulting cheeses can have a minerally taste. Goat's milk and cheeses can also be sour, tangy, and spicy.
Sheep produce yellow, creamy milk with a slight shimmer due to its high protein and fat content. The flavour is often described as barnyard-y and nutty, with hints of dry grass. While a sheep produces about two quarts of milk per day, you can make more cheese from a gallon of sheep's milk than from a gallon of cow or goat's milk due to its high fat and sugar content.
Water buffalo produce about four to six gallons of milk per day, which is surprising given their size. The milk is sweet, floral, and aromatic, often described as tasting of flowers, herbs, and grass. It has a very clean "milky" flavour.
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Dairy products include yogurt, butter, and ice cream
Dairy products are made from the milk of mammals such as cows, goats, and sheep. They include cheese, butter, yogurt, and ice cream.
Yogurt is a dairy product often made from cow's milk, though it can also be made from goat or sheep milk. It is produced by bacterial fermentation of milk, which gives it a tangy flavor and a unique texture. Yogurt is a good source of protein, calcium, and probiotics, which are beneficial for gut health. It is a versatile food that can be enjoyed on its own or used in various recipes, such as smoothies, dips, and baked goods.
Butter is another dairy product that is commonly made from cow's milk. It is created by churning fresh or fermented cream or milk to separate the butterfat from the buttermilk. Butter is a rich source of fat and adds a creamy texture and flavor to baked goods, sauces, and other dishes. It also has a high smoke point, making it suitable for cooking at high temperatures.
Ice cream, a frozen dairy dessert, is typically made from cow's milk and cream. It is a popular treat worldwide and comes in various flavors, such as vanilla, chocolate, and strawberry. Ice cream is often combined with other toppings or mix-ins, such as nuts, candies, or fruit, to create a variety of indulgent treats.
These dairy products, along with cheese, play a significant role in our diets and culinary traditions. They provide essential nutrients, enhance the flavor and texture of dishes, and offer a range of health benefits.
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Cheese is made by coagulating milk, separating curds from whey, and letting it ripen
Cheese is a dairy product made from coagulated milk. The process of making cheese involves several steps, and the first step is coagulation. During this step, milk is usually acidified, and enzymes or bacterial enzymes are added to cause the milk protein casein to coagulate. This can be done by adding an acid such as lemon juice or vinegar, or by adding the enzymes from rennet, which is derived from the stomachs of ruminants like cattle.
The coagulation causes the milk proteins to tangle together, forming solid curds and separating them from the liquid whey. The curds are then separated from the whey, which is drained away. The curds are then salted and shaped.
The final step in cheese-making is ripening, during which the cheese is left to age in a controlled environment. This process allows microbes and enzymes to break down proteins and develop the flavour and texture of the cheese. The length of the ripening period varies depending on the type of cheese being made.
Cheese is a popular dairy product consumed worldwide, with over a thousand types available. The process of making cheese has been practised for thousands of years and is considered one of the earliest examples of biotechnology.
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Cheese has a long shelf life and is valued for its portability
Cheese is a dairy product made from coagulated milk protein, or casein. It is produced by curdling milk and separating the solid curds from the liquid whey, which are then pressed into finished cheese.
Cheese is also highly portable, making it a convenient food for travel and storage. It is more compact than milk and has a longer shelf life, making it a valuable food source. Cheese is a good source of calcium, protein, and other nutrients, and its long shelf life ensures that these nutrients are available for extended periods.
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Frequently asked questions
Dairy products are food products made from the milk of mammals, such as cows, goats, and sheep.
Common dairy products that are often paired with cheese include yogurt, milk, and butter.
Dairy products can be added to various meals throughout the day. For example, you can add yogurt or kefir to your breakfast smoothie, include cheese in your lunch sandwich or salad, or use cream or butter to enhance the flavor of your dinner soups and sauces.
Cheese and other dairy products are rich in essential nutrients such as protein, calcium, vitamin B12, vitamin D, and zinc, which support overall health and well-being. They are particularly important for building and maintaining strong bones and teeth, as well as supporting muscle growth and repair.