评估蔬菜作为饮食中的暴露途径的全球模式和健康风险
Yue Wang1, Ke Xing2, Nan Xiao1
1College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China; State Key Laboratory of Soil Pollution Control and Safety, Zhejiang University, Hangzhou, 310058, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China.
Environmental research
|January 14, 2026
概括
这项研究揭示了蔬菜中的全球 (Hg) 污染,具有显著的区域差异和象牙海岸等高风险地区. 蔬菜是次要的暴露途径,但热点需要扩大监测,特别是在全球南方.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 食品安全 食品安全
背景情况:
- (Hg) 是一种普遍存在的有毒物质,具有已知的神经毒性和毒性作用.
- 蔬菜代表了 (Hg) 的重要饮食暴露途径,特别是在不食用鱼类的人群中.
- 在蔬菜中缺乏Hg污染的全面全球评估.
研究的目的:
- 进行首次对食用蔬菜中的 (Hg) 度进行全球评估.
- 在Hg监测数据中识别地理不平等.
- 为了评估全球不同地区通过蔬菜消费的Hg暴露风险.
主要方法:
- 编制了来自49个国家的蔬菜中Hg度的8,546条记录.
- 来自同行评审文献的综合数据,世卫组织GEMS食品数据库和国家总饮食研究.
- 进行了与PM2.5和手工黄金开采排放的相关性分析;进行了概率风险评估.
主要成果:
- 蔬菜中的全球中位数Hg度为0.0012 mg/kg,与鱼相比,这表明了二次暴露途径.
- 存在显著的区域差异,北美平均度最低 (0.00014毫克/千克),中东/北非平均度最高 (0.0067毫克/千克).
- 科特迪瓦 (0.140毫克/公斤) 和波斯尼亚和黑塞哥维那 (0.057毫克/公斤) 被确定为高风险热点,危险率超过儿童和成人安全值.
结论:
- 大气沉积受到PM2.5和手工黄金开采的影响,是植物Hg污染的关键途径.
- 特定的内陆热点显示植物传播的Hg暴露与水生路径相竞争.
- 在全球南方,迫切需要扩大对蔬菜Hg污染的监测.
更多相关视频
相关概念视频
01:27The Periodic Table and Organismal Elements
22.2K
Elements are the smallest units of matter that cannot be broken down further by chemical processes. There are 118 known elements, but not all of these are naturally occurring, and only a few of them are essential for life. Living matter is composed primarily of carbon, nitrogen, hydrogen, and oxygen, with smaller amounts of other elements like calcium, phosphorus, potassium, and sulfur. Other elements are also necessary for life but only in trace amounts.
Periodic Table Provides Information...
Periodic Table Provides Information...
22.2K
00:57The Periodic Table and Organismal Elements
199.8K
Overview
199.8K
01:36Types of Toxins
3.2K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
3.2K
01:29Assessment of the Gastrointestinal System II: Health Perception Pattern
455
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
455
02:59Cancer Prevention
7.7K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
7.7K
01:26Stress Prevention and Stress Management Techniques IV
229
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
229