物理场技术在水产品加工中的应用研究进展:欧姆加热、电子束和电磁波

Research progress on physical field technologies in aquatic product processing: ohmic heating, electron beam and electromagnetic wave

  • 摘要: 欧姆加热、电子束和电磁波等物理场技术在水产品加工中的应用已受到广泛关注,但目前尚缺乏系统综述总结相关研究进展。文章基于近年来的相关文献,系统梳理了欧姆加热、电子束、射频和微波等物理场技术在水产品加工中的应用研究现状。与传统加工技术相比,上述技术在水产品营养成分提取、回温、干燥、发酵控温、熟制、杀菌保鲜、促进凝胶形成、咸味增强及致敏性降低等方面具有显著优势,能够有效提升生产效率、降低生产成本、提高副产物利用率,并改善或维持水产品品质。另一方面,物理场技术也存在着若干局限性,例如欧姆加热后期温度控制精度下降,电子束对不同微生物的杀灭效果差异较大,射频和微波存在明显的边角热效应等。未来研究应着力突破物理场技术的局限,推动物理场技术在水产品高质化加工中的应用。

     

    Abstract: The application of physical field technologies such as ohmic heating, electron beam and electromagnetic wave in aquatic product processing has been widely studied. However, there is a lack of comprehensive review articles summarizing the research progress. Based on the relevant literatures in recent years, this paper reviewed the current research status of the application of physical field technologies including ohmic heating, electron beam, radio frequency and microwave in aquatic product processing. Compared with traditional processing technologies, ohmic heating, electron beam, radio frequency and microwave exhibited significant application advantages in nutrients extraction, tempering, drying, fermentation temperature control, cooking, sterilization and preservation, gel formation, saltiness enhancement and allergenicity reduction. These physical field technologies could greatly increase production efficiency, reduce production costs, elevate the utilization rate of by-products, and maintain and improve the quality of aquatic products. On the other hand, physical field technologies also had certain limitations, for example, the temperature control accuracy of ohmic heating declines in the later processing stage; electron beam irradiation presents distinct differences in bactericidal effects against various microorganisms; radio frequency and microwave technologies have obvious edge-heating effects. Future researches should focus on overcoming the inherent limitations of physical field technologies to promote their application in high-quality processing of aquatic products.

     

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