Core Viewpoint - The article discusses advancements in preservation technology for lychee, a fruit known for its difficulty in storage, highlighting modern methods that extend its shelf life significantly [1][2][4]. Preservation Challenges - Lychee is notoriously difficult to preserve due to its uneven surface, rapid metabolism post-harvest, and susceptibility to pests in humid environments [2]. Modern Preservation Techniques - A systematic approach to lychee preservation includes pre-harvest management, optimal harvesting timing, immediate cooling post-harvest, and maintaining a controlled temperature during storage and transport [2]. - Specific preservation methods can extend the shelf life of certain lychee varieties to 30-40 days, while ultra-low temperature freezing can preserve them for up to 18 months [4]. Technological Innovations - The "frozen dormancy" technique utilizes liquid nitrogen at -196°C to minimize biochemical reactions in lychee, allowing for long-distance and off-season supply [4]. - Companies like Guangzhou Xianhui Frozen Technology Co., Ltd. have successfully implemented this technology, achieving over 6 million yuan in output value for their frozen lychee products [4][5]. Market Impact - The advancements in preservation technology not only solve long-term storage issues but also support the development of diverse lychee-based products, enhancing the value chain of the lychee industry [5].