• Milk Cooking Machine
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The need to cook milk industrially and the necessary machines

The quality of milk depends on the different technologies used in milk production and storage. The process of cooking milk using a milk cooking machine is one of the most up-to-date and effective methods for maintaining health and improving the quality of milk. In addition to cooking milk, this device is very useful in the industry. In this article, we will learn more about cooking milk and its benefits, as well as the use of a milk cooking machine.

Raw milk quality first

If the cow from which the milk is milked is healthy, her milk is practically free of bacteria. However, once the milking process begins, milk is vulnerable to contamination by spoilage microorganisms in the milking area. Since milk is a favorable environment for microbial growth, keeping the milking area and its equipment clean is very important to maintain good quality raw milk. It is also very important to cool the raw milk as soon as possible and keep it cold before the milk cooking process, which is also done in factories and even animal farms.

In cooking milk, due to the potential effect of heat on taste, smell, color and nutritional value, processing is done with the least possible damage. At the same time, achieving adequate food safety and optimal shelf life is also considered during this process. Although the heat treatment of milk cooking can cause the destruction of some nutrients in some products, this is not considered a significant issue during the milk cooking process during continuous processing.

The need to cook milk

As with all food products, health and safety is a top priority. For public health reasons, the dairy industry actually heat-treats milk to kill pathogenic bacteria that can cause milk spoilage and disease in humans. This process has its roots in the 19th century, when milk was a common carrier of tuberculosis and typhus. French scientist Louis Pasteur (1822-1895) discovered that heating kills disease-causing bacteria as well as bacteria that cause spoilage.

Since the middle of the 20th century, pasteurization of milk has become common in order to protect it for human consumption. Most countries apply laws that regulate the heat treatment of milk and dairy products to ensure that milk products are safe from any pathogenic bacteria, as cooking milk is both healthy and greatly extends its shelf life. Takes.

Milk cooking and longer shelf life

All heat treatments extend the shelf life of foods and beverages. Several methods of heat treatment and cooking of milk are used to destroy microorganisms such as bacteria, spores, yeasts, molds and viruses. These methods are further distinguished by the difference in time and temperature, which are the most important factors during the milk cooking process.

In addition to killing microbes, heating inactivates enzymes in milk, which can negatively affect taste and appearance during storage. Shelf life refers to the length of time that food products are stable and usable. The four main concerns that affect the shelf life of a food product are:

Microbiology and growth of microorganisms.

enzymatic reactions and changes;

Chemical degradation reactions such as oxidation of food components;

And finally, physical phenomena such as separation and precipitation occur in the product.

The microbiological shelf life of milk is first determined by the number of microorganisms already present in raw milk. Second, the effectiveness in reducing microorganisms with the chosen storage method (in this case, heat or cooking the milk) determines how many microbes survive and are present after packaging. Finally, the temperature of storage and distribution determines how and how the living microbes grow and reproduce.

Benefits of cooking milk

To facilitate large modern dairies and extensive, centralized distribution networks that require more time, long shelf life milk products have become common. Long-life dispensed milk offers retailers and consumers greater convenience and minimizes waste during distribution and at home. Thanks to the milk cooking process, the products remain safe and thus retain their high appeal in the industry for a longer period of time.

Milk that is stored and transported at room temperature also provides a more cost-effective distribution method. It also enables distribution in remote locations and parts of the world where cold distribution is not possible or cold chain is not established. One of the necessary devices for cooking milk and benefiting from these benefits is the use of a milk cooking machine.

Milk cooking device and its use

When milk is milked in dairy farms and animal farms, it is immediately ready to absorb germs and contaminating microorganisms. These microorganisms quickly spoil the milk and reduce the quality of the milk. Therefore, as soon as the milk is milked, it must be warmed to destroy these uninvited guests. For this reason, often in the dairy industry, they use a milk cooking machine or potil.

There are different types of milk bottles, in all of which the heating for cooking milk is convective and takes place through the passage of water, and the temperature of the milk changes indirectly. This device is widely used in the dairy industry, including;

Cooking milk: The first and most widely used use of this device is the process of cooking milk. To cook milk, after pouring fresh milk into the bottle tank, it should be turned on. Immediately after turning on, the mixer starts working. Constantly stirring the device leads to the lack of bottom and the milk does not flow. When the temperature of the milk reaches the standard level or desired by the user, the milk cooking device turns off. During the heating process of milk, all germs and bacteria are removed.

Production of ice cream: Another attractive application of the milk cooking machine is the production of ice cream. This production can be accompanied by different flavors. In this method, when the temperature of the milk in the tank reaches 60 degrees Celsius, sugar and honey are added to the milk. The device continues to stir evenly and other required ingredients are poured into the milk little by little, this uniform stirring helps to dissolve all the ingredients in the hot milk while cooking the milk.

This dissolution leads to the desired ice cream consistency. It should be noted that for the production of ice cream, it is better that the milk cooking machine is equipped with an inverter motor so that it can stir the ice cream well and powerfully. After preparing the mixture, the obtained mixture is cooled with the help of a cooling tower.

Milk production: Another application of the milk cooking machine is the production of high-quality milk in high volumes. In this method, fresh cream is used, which has been extracted from fresh milk with the same milk cooking machine. When the milk reaches a temperature of 60 degrees Celsius, they add the previously obtained cream to the milk. In this step, the stirring speed of the device increases.

When the temperature of the milk reaches 80 degrees Celsius, the flow of hot water must be stopped and the cold flow must be connected to the bottle from the cooling milk device. When the milk reaches a temperature of 27 degrees Celsius, it should be poured into shallow flat trays and taken to the cold room.

Milk cooking machine and making curd: curd can be prepared and produced from regular milk cooking machines. Traditional and manual production of curd is very difficult and time-consuming. But it is done easily and quickly by means of a thickened milk cooking machine, because this tonic is prepared with appropriate and adjusted heat for cooking and evaporating the buttermilk added after buttering.

Use of milk cooking machine instead of pasteurizer machine

A pasteurizer is often used to pasteurize milk and dairy products, but bottles can handle this process well. In the pasteurization process, the milk cooking machine and the milk cooling machine are connected together. Since the cost of the pasteurizer machine is very high, it is economical for small workshops to medium-scale factories to use these two devices together because it has a better economic justification compared to the pasteurizer machine.

To pasteurize milk in this method, you can raise the milk to the right temperature and then quickly reduce the temperature of the milk. During this process, not only the reproduction of all bacteria and microorganisms is prevented, but all the factors that cause the milk to spoil are completely destroyed. In addition to using the milk cooking machine in the dairy industry, this machine can also be used to pasteurize herbal and medicinal spirits.

The implementation of strategies to improve and strengthen optimization in the process of milk production and storage is of vital importance in the dairy industry. The rapid spoilage of milk products forces dairy industries to seriously optimize and plan their production plans. The world’s dairy industry is changing daily and moment by moment, and dairy products are moving towards increasing the quality and naturalness of production. Milk cooking machine is one of the facilities by which industries use the advantages of milk cooking.


Tetra Pak

Intec open and dairy

Sepyani co and Crb group

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