Research status and development trend of fresh food preservation technology

With the continuous development of society and economy, there is an increasing demand for fresh food among individuals.Therefore, it becomes crucial to study the current status and future trends of fresh food preservation technology in order to enhance the living standards of both urban and rural residents while meeting consumers' nutritional and health requirements.In light of this, this paper provides a comprehensive overview of various mechanisms employed in fresh food preservation technology, encompassing low temperature preservation, chemical preservation, biological preservation, air conditioning preservation, ultra-high pressure preservation, irradiation preservation and ozone preservation.Furthermore, it elucidates the effectiveness of different preservation technologies on diverse types of fresh products such as aquatic products, fruits and vegetables, dairy products and meat products.Additionally, existing challenges are identified along with potential development directions within the field of fresh-keeping technology to offer valuable insights for its application in preserving fresh food.