实测数据有力地证明了该技术的卓越效能。针对牛肉进行为期7天的储存实验显示，在海信真空头等舱冰箱中 保存的牛肉，其挥发性盐基氮（TVB-N）值，优于国家一级鲜肉标准。取出后的牛肉依然保持弹性饱满、色泽 鲜润的良好状态，烹饪后口感柔嫩多汁。此外，对于荔枝等极易失水变质的水果，该技术也能实现7天后失重 率仅为普通冰箱的1/6，展现出全面而显著的保鲜效果。 购产品提供了客观、可信的参考依据，让"保鲜"这一核心需求变得可测量、可比较，真正惠及用户的健康生 活。 作为主要起草单位之一，海信冰箱凭借其在真空保鲜领域的领先技术，特别是其推出的真空磁场保鲜技术，为 评价规范的制定提供了重要的实践依据与技术验证。 在与此规范相关的技术验证中，海信冰箱所采用的真空磁场保鲜技术路径表现尤为突出。该技术是海信璀璨真 空头等舱冰箱的核心技术，其创新性地将恒温恒湿、低压低氧的真空环境与特定磁场环境相融合。其原理在 于，通过真空环境有效隔绝氧气，延缓食材氧化，同时利用磁场效应引导食物内部水分子有序排列，显著降低 细胞酶的活性，从而从分子层面锁定食材的原生鲜度，实现了"外部真空防氧化、内部磁场抑酶活"的双重协同 保鲜机制。 转自：新华财经 9 ...

Core Viewpoint - The establishment of the "Freshness Quality Evaluation Standard for Household Refrigerators" marks a significant advancement in the refrigerator industry's ability to preserve meat freshness, transitioning from conceptual promotion to a scientifically validated stage [1][3]. Industry Summary - The new standard fills a gap in consumer understanding of refrigerator preservation capabilities, providing a multi-dimensional evaluation method that includes sensory evaluation, weight loss rate, color difference, texture, and key biochemical indicators such as Total Volatile Basic Nitrogen (TVB-N) [3][5]. - The standardization is seen as a crucial step for the home appliance industry, which is currently facing a pivotal moment of consumption upgrade and technological innovation, guiding high-quality development and meeting consumer expectations for quality living [3][5]. Company Summary - Hisense, as a key drafting unit, has contributed significantly to the standard with its vacuum preservation technology, particularly the newly launched vacuum magnetic field preservation technology [5]. - The vacuum magnetic field preservation technology combines a constant temperature and humidity, low pressure, and low oxygen vacuum environment with a specific magnetic field, effectively delaying food oxidation and preserving freshness at a molecular level [5]. - The successful approval and release of the standard signify a new phase of standardization and technological advancement in the meat preservation sector of China's refrigerator industry, showcasing Hisense's commitment to innovation and consumer upgrade [5].