Africa Studio/Shutterstock.com Figure 10-13. Cheese is only one of the many dairy products most people consume on a regular basis. Have you ever made cheese? Was it difficult? Do you think any one kind is more complicated to produce? „ Sour cream—cream that has been fermented with certain kinds of bacteria. The bacterial culture sours and thickens the cream. „ Buttermilk—the slightly sour liquid left over after butter has been churned. It is used in baking and consumed as a drink. „ Ice cream—a sweet, frozen food made from no less than 10% butterfat and made in a myriad of flavors. „ Frozen yogurt—a frozen dessert that is lower in fat than ice cream and contains yogurt cultures that may or may not be active. „ Cheese—a solid food made from milk curd that is produced in a range of flavors, textures, and forms. The milk curd is pressed together and may be seasoned, or allowed to age or ripen with bacterial cultures, Figure 10-13. Dairy Products Some of the most commonly consumed dairy products are types of fluid milk: fat-free or skim milk, low fat (1%) milk, reduced fat (2%) milk, and whole milk. Other commonly consumed dairy products are made from milk and include: „ Cream—the thick white or pale yellow fatty liquid that rises to the top of milk that is left to stand (unless it is homogenized). Homogenization is a process in which the milk’s fat droplets are emulsified and the cream does not separate. „ Yogurt—a semisolid food made of milk and milk solids fermented by two added cultures of bacteria (Lactobacillus bulgaricus and Streptococcus thermophilus). „ Butter—a soft yellow or white food churned from milk or cream and used to spread on food, in cooking, and in baking. Many of us assume all the dairy products we purchase contain milk or cream. But do they? Make a list of all the dairy products you can think of, and then visit your local supermarket. Look at the ingredients labels. Do they all contain milk or cream? Were you surprised by your findings? What ingredients surprised you the most? What other foods contain dairy products? Look at the labels of some of your favorite snack foods. Many flavored crackers, potato chips, and other snack foods contain dairy products as well. Is It a Dairy Product? Connection STEM nevodka/Shutterstock.com 528 Principles of Agriculture, Food, and Natural Resources Copyright Goodheart-Willcox Co., Inc.