Selenium Nutritional Status of Rural Residents and Its Correlation with Dietary Intake Patterns in a Typical Low-Selenium Area in China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials Sampling and Pretreatment
2.2. Calculation Methods
2.3. Chemical Analysis
2.4. Statistical Analysis
3. Results
3.1. Selenium Content in Hair
3.2. Correlation between Hair Selenium Content and Food Consumption Characteristics
3.3. Hierarchical Cluster Analysis of the FFQS’
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Score | Category | Definition |
---|---|---|
1 | ≥1/day | Once/more than once a day |
0.7 | 4–6 */week | 4–6 times a week |
0.3 | 1–3 */week | 1–3 times a week |
0.1 | 2–3 */month | 2–3 times a month |
0.03 | 1 */month | Once a month |
0 | 0/rarely | Never/hardly ever |
Item | Selenium Content(μg/kg) | Consumption Recommended in the Food Guide Pagoda (g) | Consumption Used in This Study(g) | Sources |
---|---|---|---|---|
Grains | Results of this study | 250–400 | 325 | / |
Potatoes | 14.4 | 50–100 | 75 | [32] |
Beans | 48.8 | 25–30 | 27.5 | [30] |
Meats | 78 | 40–75 | 60 | [32] |
Milk | 39.1 | 300 | 300 | [30] |
Eggs | 225.3 | 40–50 | 45 | [30] |
Vegetables | 4.8 | 300–500 | 400 | [32] |
Fruits | 1.62 | 200–350 | 275 | [31] |
Cluster | n | Grains * | Potatoes | Beans | Meats | Milk | Eggs | Vegetables | Fruits |
---|---|---|---|---|---|---|---|---|---|
1 | 35 | 1.30 | 0.16 | 0.09 | 0.05 | 0.01 | 0.24 | 0.74 | 0.13 |
2 | 21 | 1.72 | 0.25 | 0.21 | 0.15 | 0.11 | 0.36 | 0.86 | 0.46 |
3 | 10 | 1.52 | 0.59 | 0.42 | 0.57 | 0.28 | 0.83 | 0.94 | 0.77 |
Cluster | n | Hair Selenium Content (μg/kg) Mean ± S.D. | FFQS’ mean ± S.D. |
---|---|---|---|
1 | 35 | 200.19 ± 59.27 a | 2.72 ± 0.91 a |
2 | 21 | 231.99 ± 69.49 a | 4.12 ± 0.50 b |
3 | 10 | 288.50 ± 77.08 b | 5.90 ± 0.58 c |
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Wang, X.; Li, H.; Yang, L.; Kong, C.; Wang, J.; Li, Y. Selenium Nutritional Status of Rural Residents and Its Correlation with Dietary Intake Patterns in a Typical Low-Selenium Area in China. Nutrients 2020, 12, 3816. https://doi.org/10.3390/nu12123816
Wang X, Li H, Yang L, Kong C, Wang J, Li Y. Selenium Nutritional Status of Rural Residents and Its Correlation with Dietary Intake Patterns in a Typical Low-Selenium Area in China. Nutrients. 2020; 12(12):3816. https://doi.org/10.3390/nu12123816
Chicago/Turabian StyleWang, Xiaoya, Hairong Li, Linsheng Yang, Chang Kong, Jing Wang, and Yingchun Li. 2020. "Selenium Nutritional Status of Rural Residents and Its Correlation with Dietary Intake Patterns in a Typical Low-Selenium Area in China" Nutrients 12, no. 12: 3816. https://doi.org/10.3390/nu12123816