The Modern Production of Yoghurt and the Role of Technology in Enhancing Efficiency
Food & Beverages Processing|December 2024
Yoghurt, a staple in many cultures around the world, has evolved from its ancient origins to become a multibillion-dollar industry. The production of yoghurt, which involves fermenting milk with beneficial bacteria, is a complex process that has been refined over the years to meet increasing consumer demand and high-quality standards.
Ritesh Verma
The Modern Production of Yoghurt and the Role of Technology in Enhancing Efficiency

In recent years, technological advancements have played a crucial role in optimizing production processes, improving product consistency, and ensuring sustainability. This article explores the traditional methods of yoghurt production, the challenges faced by manufacturers, and how modern technology is revolutionizing the industry.

Traditional Yoghurt Production Process

At its core, yoghurt production involves a few basic steps: pasteurization, cooling, inoculation with starter cultures, fermentation, and packaging. In traditional dairy plants, the process begins with the pasteurization of milk to eliminate harmful microorganisms. This is typically done at temperatures between 85-95°C (185203°F) for 15-30 minutes.

After pasteurization, the milk is cooled to a suitable temperature (typically 4345°C or 109-113°F) before the addition of live bacterial cultures, primarily Lactobacillus bulgaricus and Streptococcus thermophilus. These starter cultures convert lactose into lactic acid, causing the milk to thicken and develop the characteristic tangy taste of yoghurt.

The inoculated milk is then transferred into fermentation tanks or containers and allowed to incubate for several hours. Once the desired acidity and consistency are achieved, the yoghurt is cooled rapidly to stop further fermentation and prevent the development of unwanted flavors. The final stage involves packaging, which can be done in various forms, including individual cups, larger tubs, or pouches.

Challenges in Traditional Yoghurt Production

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