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。 ...

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]

Core Viewpoint - Xue Tian Salt Industry Group has been awarded the Hunan Provincial Governor Quality Award, showcasing its commitment to quality amidst industry challenges such as overcapacity and intense competition [1][3]. Group 1: Historical Development - The quality foundation of Xue Tian Salt Industry is rooted in the historical context of salt production in Hunan and Jiangxi provinces, which were once considered "salt-less" regions [3]. - The discovery of the "Red Well" in 1969 marked the beginning of salt production in Hunan, fulfilling the local need for quality salt [5]. - In 1970, the identification of a 1.9 billion-ton salt rock deposit in Jiangxi ended its status as a "salt-less" province, further motivating the company to focus on quality [6]. Group 2: Quality Assurance and Production - Xue Tian Salt Industry has established a strategic goal to provide excellent quality assurance for becoming a leading salt chemical group in China, with a focus on high-quality development [6]. - The company’s salt products have a sodium chloride content of 99.7%, setting a new industry record, and have received the first national "Ecological Well Salt" certification [6][9]. - A comprehensive quality control system is in place, including a full lifecycle traceability system for salt products, ensuring transparency from production to consumption [9]. Group 3: Technological Innovation - The company is undergoing a digital transformation to enhance quality, with plans for a smart factory to be operational by August 2024, focusing on automation and energy optimization [10]. - Research and development expenditures have been increasing, with 4.58% of revenue allocated to R&D in 2024, positioning the company at an advanced level within the industry [10]. - Xue Tian Salt Industry has developed over 500 patents and has been involved in the formulation of 35 industry standards, reflecting its commitment to innovation [10]. Group 4: Market Position and Future Outlook - Xue Tian Salt Industry has established a robust production and sales network across China, with over 200,000 retail outlets in Hunan and more than 18,000 distributors outside the province [11]. - The brand value of "Xue Tian" is projected to reach 18.499 billion yuan by 2025, indicating strong market presence and growth potential [11]. - The company is also expanding into new industries, such as smart fiber materials, in collaboration with research institutions, aiming to enhance its production capabilities and innovation [12].