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Pasteurization and Food Preservation01:28

Pasteurization and Food Preservation

Pasteurization is a widely employed thermal processing technique designed to enhance the safety and shelf life of perishable food and beverages. By subjecting products to specific high temperatures for controlled durations, this method effectively inactivates pathogenic microorganisms and spoilage enzymes without significantly compromising sensory qualities. The technique has been pivotal in food safety management, especially for consumables susceptible to microbial contamination such as milk,...
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Food spoilage is caused by microbial growth or by chemical and physical changes, all of which affect the taste, texture, and safety of food.Temperature-Based PreservationRefrigeration at 0–4 °C slows microbial growth and enzyme activity, making it ideal for short-term storage. However, certain spoilage organisms—such as psychrotrophs like Listeria monocytogenes—can still proliferate at these temperatures. Freezing below -18 °C further slows biological processes by forming ice crystals, which...
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Comparison of Tobacco Host Cell Protein Removal Methods by Blanching Intact Plants or by Heat Treatment of Extracts
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Published on: August 8, 2016

Non-Thermal Processing Technologies in Food Industries.

Xinyu Yuan1, Yihan Fang1, Yuhan Diao1

  • 1School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China.

Foods (Basel, Switzerland)
|May 27, 2026
PubMed
Summary
This summary is machine-generated.

Non-thermal food processing enhances nutritional quality and microbial safety, offering a sustainable alternative to traditional heat treatments. These advanced methods improve food preservation and consumer acceptance.

Keywords:
foodfood processinghigh-pressure processingnon-thermalpulse electric fieldultrasound technology

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Area of Science:

  • Food Science and Technology
  • Agricultural Engineering

Background:

  • Thermal processing methods, while effective for microbial inactivation, can degrade nutritional content and sensory qualities of food.
  • There is a growing demand for food processing technologies that preserve nutritional value and extend shelf life.

Purpose of the Study:

  • To provide a comprehensive review of non-thermal processing techniques in the food industry.
  • To evaluate the effectiveness of these technologies in maintaining food quality, nutritional composition, and microbial safety.
  • To discuss factors influencing the adoption of advanced food processing technologies.

Main Methods:

  • Review of scientific literature on non-thermal food processing.
  • Analysis of fundamental techniques including high-pressure processing, pulsed electric field, ultrasound, and cold plasma.
  • Examination of parameters such as energy consumption, exposure time, and hybrid techniques.

Main Results:

  • Non-thermal technologies are effective in maintaining nutritional composition and improving food quality compared to thermal processing.
  • Specific techniques like high-pressure processing, pulsed electric field, ultrasound, and cold plasma offer significant benefits for food preservation.
  • Hybrid techniques show potential for enhancing customer acceptance, sustainability, and industrial adoption.

Conclusions:

  • Non-thermal processing presents a viable and effective alternative to thermal methods for the food industry.
  • Further research and development, including hybrid approaches, are crucial for optimizing these technologies.
  • Adoption of advanced non-thermal food processing technologies can lead to improved product quality, energy efficiency, and sustainability.