Rapid analysis of minerals in oysters using microwave decomposition and inductively coupled plasma atomic emission spectrometry
Rapid analysis of minerals in oysters using microwave decomposition and inductively coupled plasma atomic emission spectrometry
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DOI：
10.1016/j.aqrep.2021.100585
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发表时间：
2021-03
影响因子：
3.7
通讯作者：
Tsuyoshi Yoda;Satoko Ichinohe;Yukihito Yokosawa
中科院分区：
文献类型：
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作者：
Tsuyoshi Yoda;Satoko Ichinohe;Yukihito Yokosawa
牡蛎营养丰富，可以在海洋中养殖，因此它们作为食物来源吸引了相当大的兴趣。本文研究了微波消解-电感耦合等离子体原子发射光谱法快速分析牡蛎中多种矿物质的方法。由于牡蛎除壳外的所有身体部分都可食用，我们将所有可食用部分均质化并用作样品。使用锌作为目标分析物，在微波分解步骤中评价了多个样品质量和酸消解制剂（仅硝酸和硝酸与过氧化氢）。还研究了钙、钾、钠和镁的水平。使用硝酸和过氧化氢的微波消解产生的矿物浓度结果略高于单独使用硝酸获得的结果。牡蛎的矿物质成分随养殖地点和季节而变化。通过建立合适的数据库，可以利用所提出的评价牡蛎矿物质含量的方法快速确定牡蛎的产地。
Oysters are rich in nutrients and can be cultivated in oceans; therefore they have attracted considerable interest as a food source. In this study, we investigated the rapid analysis of multiple minerals in oysters using microwave decomposition combined with inductively coupled plasma atomic emission spectrometry. Because all body parts of oysters other than the shell are edible, we homogenized all the edible parts and used them as samples. Multiple sample masses and acid-digestion formulations (nitric acid only and nitric acid with hydrogen peroxide) were evaluated in a microwave decomposition step using zinc as the target analyte. The levels of calcium, potassium, sodium, and magnesium were also studied. Microwave digestion using nitric acid and hydrogen peroxide yielded slightly higher mineral concentration results than those obtained with nitric acid alone. The mineral composition of oysters varies with the cultivation location and season. With the establishment of an appropriate database, the proposed method for the evaluation of mineral content could be used for rapidly determining the origin of oysters.