Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany.
Department of Internal Medicine, University of Groningen, Groningen, the Netherlands.
Mol Nutr Food Res. 2021 Aug;65(15):e2100345. doi: 10.1002/mnfr.202100345. Epub 2021 Jun 20.
Boron is a trace element that naturally occurs in soil, making mineral and medicinal water important contributors to overall intake. Thus, in a systematic screening, the mean boron concentrations of 381 German mineral and medicinal waters are determined.
Boron concentrations in mineral and medicinal waters are analyzed by inductively coupled mass spectrometry (ICP-MS). Highest boron values find in waters from the southwest of Germany. The boron content of the waters is positively correlated with the concentration of most other analyzed bulk elements, including calcium, potassium, magnesium, and sodium. Mineral waters with either low (7.9 µg L ), medium (113.9 µg L ), or high (2193.3 µg L ) boron content are chosen for boron exposure experiments in fruit flies (Drosophila melanogaster) and humans. In flies, boron-rich mineral water significantly increases boron accumulation, with the accumulation predominantly occurring in the exoskeleton. In humans, serum boron and 24-h urinary boron excretion significantly increase only in response to the intake of boron-rich mineral water.
Overall, the current data demonstrate that mineral and medicinal waters vary substantially in the content of boron and that boron-rich mineral water can be used to elevate the boron status, both in flies and humans.
硼是一种天然存在于土壤中的微量元素，因此矿物质水和矿泉水是人体摄入硼的重要来源。在一项系统性筛选中，对 381 种德国矿物质水和矿泉水的平均硼浓度进行了测定。
采用电感耦合质谱法（ICP-MS）分析矿物质水和矿泉水中的硼浓度。德国西南部的矿泉水中硼含量最高。矿泉水中的硼含量与大多数其他分析的常量元素（包括钙、钾、镁和钠）浓度呈正相关。选择硼含量低（7.9μg/L）、中（113.9μg/L）或高（2193.3μg/L）的矿泉水进行果蝇（Drosophila melanogaster）和人体的硼暴露实验。在果蝇中，富硼矿泉水显著增加了硼的积累，主要发生在外骨骼中。在人体中，仅在摄入富硼矿泉水时，血清硼和 24 小时尿硼排泄才会显著增加。
总体而言，目前的数据表明，矿物质水和矿泉水的硼含量差异很大，富硼矿泉水可用于提高果蝇和人体的硼水平。
