Growth characteristics of shallots and absorption of Mg ions dissolved from serpentinites

IF 1.3 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Emerging Materials Research Pub Date : 2022-12-01 DOI:10.1680/jemmr.22.00101

F. Hung

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Abstract

Magnesium-rich water or food is highly beneficial to human health. Shallots are used in cooking, have simple growth conditions; and have a short growth cycle. In this study, natural serpentinite was ground into powder (particle size: 50-200 nm), heated at high temperatures (400°C and 800°C), and then dissolved in water of different temperatures (25°C, 60°C, and 100°C) to prepare natural magnesium-containing water. Experimental results indicated that natural serpentine minerals contain magnesium silicate, which has ionic properties and high electrical conductivity. The dissolution of magnesium ions increased with the temperature of the distilled water. The heat treatment powder had a higher crystallinity; however, the dissolution of magnesium was lower for the solution containing the powder heated to 800°C than for the solution containing the powder heated to 400°C. The 400°C powder exhibited favorable crystallinity and a low level of impurities, and its interlayer spacing did not change. The shallots grown with natural magnesium-containing water (magnesium shallots) had a high concentration of magnesium ions in their white and green parts. Such shallots can be provided by food platforms, and eating such shallots can help one meet the daily magnesium intake requirement of 300 mg/L for humans.

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葱的生长特性及对蛇纹石中镁离子的吸收

富含镁的水或食物对人体健康非常有益。葱是用于烹饪的，生长条件简单；并且生长周期短。在本研究中，天然蛇纹石被研磨成粉末（粒度：50-200 nm），在高温（400°C和800°C）下加热，然后溶解在不同温度（25°C、60°C和100°C）的水中，制备天然含镁水。实验结果表明，天然蛇纹石矿物中含有硅酸镁，具有离子性质和高导电性。镁离子的溶解随蒸馏水温度的升高而增加。热处理粉末具有较高的结晶度；然而，含有加热至800°C的粉末的溶液中镁的溶解性低于含有加热至400°C粉末的溶液。400°C粉末表现出良好的结晶度和较低的杂质水平，并且其层间距没有改变。用天然含镁水种植的小葱（镁小葱）在其白色和绿色部分具有高浓度的镁离子。这种葱可以由食品平台提供，吃这种葱可以帮助人们满足每天300镁的摄入量 mg/L。

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来源期刊

Emerging Materials Research MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.50

自引率

9.10%

发文量

期刊介绍： Materials Research is constantly evolving and correlations between process, structure, properties and performance which are application specific require expert understanding at the macro-, micro- and nano-scale. The ability to intelligently manipulate material properties and tailor them for desired applications is of constant interest and challenge within universities, national labs and industry.