Research Progress of Cold Sterilization Technology Combined with Plant-derived Antibacterial Agents
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Abstract:
With increasing awareness of food safety, people are becoming more interested in safe and efficient new antibacterial technology. Compared with traditional sterilization technology, cold sterilization technology is simple and easy to apply and has low processing temperature, little impact on food sensory quality, and results in improved preservation of the nutritional content of food in addition to sterilization. Plant-derived antibacterial agents are not only safe and efficient preservatives, but also have a wide range of biological activities, such as antioxidation, inhibition of tumor cell proliferation, and immune regulation. Thus, the use of plant-derived preservatives poses much less of a risk to human health than do chemical reagents. However, the use of cold sterilization technology alone cannot completely kill pathogenic bacteria, and the high cost, poor solubility, and strong volatile odor of plant-derived antibacterial agents also limit their application. In this review, we summarize the research progress of cold sterilization technology, such as cold plasma, ultraviolet light, ultra-high pressure and ultrasonic technology, combined with plant-derived antibacterial agents. The combined application of cold sterilization technology and plant-derived antibacterial agents can not only reduce the treatment intensity of cold sterilization technology and the concentration of plant-derived antibacterial agents, but also enhance the antibacterial effect. The combined application of cold sterilization technology and plant-derived antibacterial agents has broad application prospects in the field of food preservation. We discuss the theoretical basis for the synergistic research of these two technologies as well as their application prospects and existing challenges in their application.
