Rapid Communication - Journal of Food Technology and Preservation (2023) Volume 7, Issue 2
The science of pasteurization: Preserving food safety and quality.Sharon Unger*
Department of Pediatrics, University of Toronto, Toronto, United Kingdom
- *Corresponding Author:
- Sharon Unger
Department of Pediatrics
University of Toronto
Toronto, United Kingdom
Received: 27-Jan-2023, Manuscript No. AAFTP-23-88900; Editor assigned: 28-Jan-2022, PreQC No. AAFTP-23-88900 (PQ); Reviewed: 11-Feb-2023, QC No. AAFTP-23-88900; Revised: 16-Feb-2023, Manuscript No. AAFTP-23-88900 (R); Published: 23-Feb-2023, DOI:10.35841/2591-796X-7.2.169
Citation: Unger S. The science of pasteurization: Preserving food safety and quality. J Food Technol Pres. 2023;7(2):169
Pasteurization is a process of heating liquids, such as milk, juice, and beer, to a temperature that is high enough to kill harmful bacteria and pathogens, but not high enough to change the taste or texture of the product. The process was named after the French scientist Louis Pasteur, who discovered the process in the 19th century and revolutionized the food and beverage industry by making food safer and longer-lasting. Louis Pasteur discovered pasteurization while studying the spoilage of wine. He found that heating wine to a temperature of 60°C (140°F) for a short period of time was effective in killing harmful bacteria and yeasts that were causing the wine to spoil. This process is now known as pasteurization. The process was later adapted for other liquids, including milk, which was a common source of disease due to contamination by bacteria such as salmonella and E. coli. Benefits of pasteurization have numerous benefits that make it an essential process in the food and beverage industry.
Pasteurization, Bacteria, Thiamin, Riboflavin, Niacin.
Some of these benefits are improved food safety in which pasteurization kills harmful bacteria and pathogens, reducing the risk of food-borne illness and ensuring that the food is safe for consumption, extended shelf life is a pasteurization that helps to extend the shelf life of food and beverage products by reducing the growth of bacteria and other microorganisms, improved quality pasteurization helps to preserve the quality and flavour of food and beverage products, making them more appealing to consumers, increased convenience pasteurization makes food and beverage products easier to transport and store, as they do not require refrigeration until after they have been opened. Types of pasteurization are high-temperature short-time (HTST) pasteurization which is the most common type of pasteurization, and is used for liquids such as milk, juice, and beer [1,2].
Ultra-high-temperature (UHT) pasteurization is used for liquids that have a high fat content, such as cream and milk. Low-temperature long-time (LTLT) pasteurization is used for liquids that are sensitive to heat, such as orange juice and apple cider. Batch pasteurization is used for small quantities of liquid, such as those used in a restaurant or small dairy. Pasteurization has been a crucial process in the food and beverage industry for over a century. It has helped to improve food safety, extend shelf life, and preserve the quality and flavour of food and beverage products. Today, pasteurization remains an essential process that is used by food and beverage companies around the world to ensure that their products are safe and of high quality. While there is some debate over the nutritional benefits of pasteurized vs. raw food and beverages, the benefits of pasteurization in terms of food safety and extended shelf life. Disadvantages of pasteurization are destruction of nutrients [3,4].
The heat treatment involved in pasteurization can destroy some of the heat-sensitive vitamins, enzymes and flavor compounds in the food, for example, pasteurization of milk can destroy up to 50% of its vitamin c content. Some of the other nutrients that are lost during pasteurization include thiamin, riboflavin, and niacin. Changes in flavor: Pasteurization can alter the taste, aroma and overall sensory quality of the food. For example, the heat treatment can cause a change in the flavor of the milk, making it taste bland or having a cooked flavor. This can negatively impact the consumer’s perception of the product and can lead to decreased demand. Incomplete sterilization: although pasteurization reduces the number of harmful bacteria, it does not completely eliminate all of them, high energy consumption: The process of pasteurization requires significant energy input, leading to increased production costs, limitation of use .
Some products, such as raw milk cheese, cannot be pasteurized because the process affects the cheese's texture, flavor and overall quality, creation of new pathogens: In rare cases, the process of pasteurization can cause the creation of new harmful bacteria. In conclusion, pasteurization is a crucial process that offers many benefits for food and beverage products. It helps to ensure the safety and quality of these products, while also providing increased convenience and economic benefits. Despite some concerns over the nutritional impact of pasteurization, the benefits of pasteurization in terms of food safety and extended shelf life make it an essential process in the food and beverage industry.
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