Скачать с ютуб What is Extrusion Cooking 💁‍♀️🍜Food Processing Technology в хорошем качестве

What is Extrusion Cooking 💁‍♀️🍜Food Processing Technology

#food #food_processing #foodproduction Extrusion cooking is a food processing technique that involves the use of high temperature, pressure, and shear forces to cook and shape a variety of food products. It is a versatile and efficient method that can be used to produce a wide range of products, including breakfast cereals, snacks, pasta, pet food, and aquafeed. In extrusion cooking, a mixture of raw materials, such as flours, grains, and proteins, is fed into an extruder. The extruder consists of a barrel, a screw, and a die, which are used to heat, mix, and shape the raw materials into the desired product. The raw materials are first preconditioned, which involves adding water or steam to soften them and improve their plasticity. They are then fed into the extruder, where they are mixed, cooked, and sheared under high pressure and temperature. The cooked product is then shaped by the die, which determines the final product shape and size. The advantages of extrusion cooking include improved nutrient retention, reduced cooking times, and increased production efficiency. It also allows for the use of a wide range of raw materials and can produce products with different textures and shapes. The applications of extrusion cooking are diverse and include the production of breakfast cereals, snacks, pasta, and pet food. It is also used in the aquafeed industry to produce fish and shrimp feed. Extruded products are food items that have been processed using extrusion cooking technology. The process involves pushing a mixture of raw materials, such as flours, grains, and proteins, through an extruder machine under high temperature, pressure, and shear forces. The end result is a cooked and shaped product that can be cut to different sizes and shapes. Extruded products have become increasingly popular due to their versatility, convenience, and long shelf life. Here are some examples of common extruded products: Breakfast cereals: Extruded breakfast cereals include a wide range of products such as flakes, loops, and puffs. These products are made from grains such as corn, wheat, and rice and are often fortified with vitamins and minerals. Snacks: Extruded snacks include a wide range of products such as cheese puffs, chips, and pretzels. These products are often made from cornmeal or potato flour and are flavored with various seasonings. Pasta: Extruded pasta is made from wheat flour, water, and other ingredients. The extrusion process allows for the production of various pasta shapes such as spaghetti, macaroni, and penne. Pet food: Extruded pet food is made from a mixture of animal protein, grains, and other ingredients. The extrusion process allows for the production of various shapes and textures that appeal to pets. Aquafeed: Extruded aquafeed is used to feed fish and shrimp. It is made from a mixture of fish meal, soy protein, and other ingredients. The extrusion process allows for the production of high-quality pellets that meet the nutritional needs of fish and shrimp. Overall, extruded products are a popular and versatile food category that is widely used in the food industry. Wet extrusion and dry extrusion are two variations of the extrusion cooking process. While both methods use high temperature, pressure, and shear forces to cook and shape food products, they differ in the moisture content of the raw material. Wet extrusion involves processing raw materials that have a high moisture content, typically between 30% to 60%. In this process, water or steam is added to the raw materials to create a slurry-like mixture, which is then fed into the extruder. The moisture content of the mixture allows for the formation of a sticky and cohesive mass that can be shaped into different forms, such as noodles or pet food. Dry extrusion, on the other hand, involves processing raw materials that have a low moisture content, typically less than 20%. In this process, the raw materials are fed into the extruder without the addition of water or steam. The heat and pressure generated during the extrusion process create enough moisture to soften the raw materials and allow them to be shaped into different forms. The choice between wet and dry extrusion depends on the type of product being produced and the desired properties of the final product. Wet extrusion is commonly used in the production of noodles, pasta, and pet food, while dry extrusion is often used in the production of snacks, breakfast cereals, and aquafeed. Both wet and dry extrusion offer advantages such as improved nutrient retention, reduced cooking times, and increased production efficiency. The specific parameters of the extrusion process, such as temperature, pressure, and screw speed, can be adjusted to produce products with different textures, shapes, and flavors.