和有毒元素的同时存在以及来自中国的商业丰富大米中的健康风险评估
Qing Xie1, Jiahang Li1, Dayong Luo1
1College of Resources, Environment and Safety, Chongqing Vocational Institute of Engineering, Chongqing, 402260, China.
Scientific reports
|January 21, 2026
概括
富含的米提供营养益处,但可能含有和等有毒元素. 需要仔细监测以确保安全性和生物可用性,特别是在儿童中.
科学领域:
- 食品科学 食品科学 食品科学
- 营养科学 营养科学
- 环境毒理学环境毒理学
背景情况:
- (Se) 对人类健康至关重要,大米是主要的饮食来源.
- 富含的米旨在增加的摄入量,但可能存在 (As) 和 (Cd) 等有毒元素的共同积累的风险.
研究的目的:
- 系统地评估来自中国的商用缩大米中的Se,As和Cd度.
- 评估与这些元素相关的生物可访问性和健康风险.
主要方法:
- 在来自中国14个省份的54个缩米样本中测量Se,As和Cd的量化.
- 生物可访问性评估和健康风险评估,包括估计的每日摄入量 (EDI) 和危险系数 (HQ).
主要成果:
- 平均As和Cd含量低于国家安全限值,但只有46.3%的样本符合中国缩谷物标准.
- 平均Se度为0.13±0.14毫克/公斤,具有较低的生物可访问性 (14.6%±8.7%).
- 虽然As和Cd的健康风险通常是可以接受的,但儿童的毒性元素EDI较高,Se摄入量较低,表明脆弱性.
结论:
- 富含的米面临着双重挑战:营养补充与潜在的毒理风险.
- 丰富大米中Se的生物可用性是一个重大问题.
- 有针对性的饮食指导和严格的质量控制对于缩大米的消费至关重要.
相关概念视频
Elements and Compounds
103.3K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
103.3K
Assessment of the Gastrointestinal System II: Health Perception Pattern
463
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:
463
Nursing Assessment of the Genitourinary System I: Health History
385
The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...
385
Periodic Classification of the Elements
58.8K
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
58.8K
Classification of Elements and Compounds
72.9K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
72.9K
Physical Assessment of the Respiratory Tract I: Health History
854
Physical assessment of the respiratory tract is critical to patient care. It allows healthcare professionals to identify and manage various respiratory conditions. The process involves a combination of subjective and objective data collection.
Subjective Data
Subjective data provides vital information about the patient's health history and symptoms. This data is typically collected through interviews in which patients describe their experiences, symptoms, and concerns.
Health history and...
Subjective Data
Subjective data provides vital information about the patient's health history and symptoms. This data is typically collected through interviews in which patients describe their experiences, symptoms, and concerns.
Health history and...
854


