盐，是厨房中最不起眼却最不可或缺的调味品。从日常炒菜到腌制食材，它赋予食物基础风味，更是维持人体正常生理功能的 关键物质。但近年来，超市货架上的盐越来越"花哨"：低钠盐、富硒盐、玫瑰盐、竹盐……价格从几元到几十元不等，让人眼 花缭乱。 到底哪种盐更健康？不同人群该怎么选？"高端盐"的营养价值真的物超所值？今天我们来聊聊"盐的学问"，如何选盐不踩坑、 用盐更健康。 1 市面上的盐，本质区别在哪？ 不管是普通盐还是"高端盐"，核心成分都是氯化钠，差别主要集中在矿物质添加、加工工艺、风味特点上。我们先给常见的盐 做个"成分拆解"： 核心成分： 氯化钠 (95%-99%) +硬酸 + 主要特点: 性价比高, 满足绝 大多数人基础需求 营养价值:补碘,预 防碘缺乏病（如大脖 子病） 无额外保健功效 普通加碘盐 一 NG = 核心成分: 氯化钠+微量硒 主要特点: 主打"补晒"概念 营养价值: 每日通过5克普及能 补硒0.75ug, 远达不 到成人每日50ug需求, 均衡饮食即可满足 富硒盐 ES 975 : 核心成分: 氯化钠(60%-70%) +氯化钾 主要特点: 钠含量低, 钾含量高 营养价值: 帮助调节钢钾平衡。 ...

到底哪种盐更健康？不同人群该怎么选？"高端盐"的营养价值真的物超所值？西北妇女儿童医院临床营 养科医生计静来聊聊"盐的学问"，如何选盐不踩坑、用盐更健康。 制作：胡诗语 郭婧妍 策划：车玉明 来源：新华网 统筹：万方 史梦 李洁琼 盐，是厨房中不起眼却不可或缺的调味品，从日常炒菜到腌制食材，它赋予食物基础风味，更是维持人 体正常生理功能的关键物质。 执行：袁晗 近年来，超市货架上的盐越来越"花哨"，低钠盐、富硒盐、玫瑰盐、竹盐……价格从几元到几十元不 等，让人眼花缭乱。 编导：汪亚 蔺娟 詹乐游 ...

Group 1 - The core point of the article discusses the importance of salt in human health, emphasizing that sodium ions in salt play a crucial role in regulating bodily functions such as fluid balance, blood pressure, and energy metabolism [1][3] - The recommended daily intake of sodium is 1500 mg, and insufficient sodium can lead to health issues like hyponatremia, which can cause symptoms ranging from lethargy to severe complications like shock [3] Group 2 - Different types of salt available in the market include rock salt, lake salt, and sea salt, which are all essentially sodium chloride but differ in their sources and processing methods [5][9] - Rock salt is derived from ancient sea beds and is known for its high purity and low impurity levels, often sold at lower prices [6] - Lake salt is harvested from salt lakes and has larger granules that do not clump easily, while sea salt is produced through evaporation of seawater and may have lower sodium chloride purity [7][9] Group 3 - Specialty salts like bamboo salt and Himalayan pink salt are marketed as premium products, but they primarily serve the same purpose of sodium supplementation, with variations in flavor and appearance [10][11] - Nutritional salts, such as calcium and selenium salts, are available but provide minimal nutritional benefits compared to the recommended daily intake levels [12] Group 4 - When purchasing salt, consumers should focus on sodium and iodine content rather than price, with low-sodium salt being beneficial for individuals with hypertension [15] - Iodized salt is essential in iodine-deficient regions to prevent thyroid-related health issues, while some individuals may require non-iodized salt based on specific health conditions [17] Group 5 - The article stresses the importance of limiting salt intake to no more than 5 grams per day to avoid health risks associated with high salt consumption, such as hypertension and cognitive decline [18] - It also highlights the presence of hidden salts in various condiments and encourages a balanced diet with controlled salt intake [18]