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| http://dx.doi.org/10.1016/S2542-5196(20)30143-1 | DOI Listing |
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Vitamin D status and its determinants in German elite athletes.
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Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus Liebig University Giessen, Kugelberg 62, 35394, Giessen, Germany.
Purpose: This study investigated elite German athletes to (1) assess their serum 25(OH)D levels and the prevalence of insufficiency, (2) identify key factors influencing serum 25(OH)D levels, and (3) analyze the association between serum 25(OH)D levels and handgrip strength.
Methods: In this cross-sectional study, a total of 474 athletes (231 female), aged 13-39 years (mean 19.3 years), from ten Olympic disciplines were included.
Metabolomics combined with physiology and transcriptomics reveal the regulation of key nitrogen metabolic pathways in alfalfa by foliar spraying with nano-selenium.
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Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization, Ministry of Agriculture, People's Republic of China, Key Laboratory of Grassland Resources, Ministry of Education, People's Republic of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China.
Selenium promotes plant growth and improves nutritional quality, and the role of nano-selenium in alfalfa in regulating nutritional quality is unknown. In this study, using the N labeling method, it was found that nano-selenium could promote plant nitrogen metabolism and photosynthesis by increasing the light energy capture capacity and the activities of key enzymes of the nitrogen metabolism process, leading to an increase in alfalfa nitrogen accumulation and dry matter content. The transcriptome and metabolome revealed that nano-selenium mainly affected the pathways of 'biosynthesis of amino acids', 'starch and sucrose metabolism', 'pentose and glucuronate interconversions', 'pentose phosphate pathway', and 'flavonoid biosynthesis'.
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View Article and Find Full Text PDFUsing the Nutri-Score to visualise food reformulation in Germany: the case of breakfast cereals.
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