饮食,体力活动和紫外线保护全面影响大学生维生素D状况:来自中国的横截面研究
Yingyi Luo1, Chunbo Qu2, Rui Zhang2
1Medical Technology College, Shanghai University of Medicine and Health Sciences, 279 Zhouzhu Road, Pudong New Area, Shanghai, 201318, China.
Journal of health, population, and nutrition
|July 26, 2023
概括
维生素D缺乏症在中国大学生中很普遍. 促进牛奶,酸奶和户外活动,同时限制糖果摄入量,可以帮助预防缺乏,以及平衡的紫外线保护和补充指南.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 生物化学 生物化学
背景情况:
- 维生素D缺乏是影响所有年龄组的全球健康问题.
- 中国大学生的维生素D状况一直没有得到充分的研究.
- 这项研究探讨了中国大学新生中维生素D缺乏的患病率和影响因素.
研究的目的:
- 为了调查中国大学新生中维生素D的状况.
- 确定影响该群体维生素D水平的关键因素.
- 为开发有效的营养策略提供证据.
主要方法:
- 在线调查问卷收集了有关人口统计,饮食,体育活动和紫外线保护的数据.
- 血清25(OH) D3度使用液体染色学质谱学量化.
- 多变量线性回归分析检查了饮食,体力活动和紫外线保护对维生素D水平的影响.
主要成果:
- 在研究的1667名新生中,近95%的新生表现出维生素D缺乏或不足 (血清中平均值为25(OH) D3:18.1±6.3 ng/mL).
- 在较高的血清25(OH) D3和摄入牛奶,酸奶,/维生素D补充剂以及户外活动持续时间之间发现了积极的关联.
- 观察到与糖果摄入量增加和紫外线保护增加的负面关联,即使经过调整以考虑混因素.
结论:
- 维生素D缺乏症在中国大学生中非常普遍.
- 建议进行饮食修改 (增加牛奶/酸奶,减少糖果) 和增加户外活动.
- 公共卫生政策应整合生活方式的改变,紫外线保护指南和维生素D补充剂的策略.
相关概念视频
Role of Skin in Vitamin D Synthesis
5.3K
The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
5.3K
Cancer Prevention
6.2K
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...
6.2K
Role of Vitamins in Maintaining Bone Health
3.4K
The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
3.4K
Connective Tissue Cell Types
3.3K
Connective tissue develops from the mesoderm of a developing embryo and consists of cells, fibers, and ground substance: a gel-like material containing large complexes of carbohydrates and proteins. Connective tissue was first identified as a separate tissue family in the 18th century, and Johannes Peter Muller coined the term connective tissue.
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
3.3K
Vitamins
780
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
780
Mutations
38.3K
Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
38.3K


