Elemental content of Vietnamese rice. Part 1. Sampling, analysis and comparison with previous studies.

Elemental content of Vietnamese rice. Part 1. Sampling, analysis and comparison with previous studies.
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DOI:
10.1039/a808796b
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发表时间:
1999
期刊:
The Analyst
影响因子:
--
通讯作者:
Tran Dong Phuong;Serge Kokot;Pham Van Chuong;D. T. Khiem
Tran Dong Phuong;Serge Kokot;Pham Van Chuong;D. T. Khiem
中科院分区:
其他
文献类型:
--
作者:
Tran Dong Phuong;Serge Kokot;Pham Van Chuong;D. T. Khiem

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在越南从红河地区、该国其他一些地区以及澳大利亚新南威尔士州的扬科收集了各种水稻样本。采用ICP-AES、ICP-MS和火焰原子吸收光谱法(FAAS)分析了14种元素(P、K、Mg、Ca、Mn、Zn、Fe、Cu、Al、Na、Ni、As、Mo和Cd)。使用米粉认证材料(NIES No . 10)对分析方法进行了严格控制和验证。总体而言,结果表明越南大米的元素浓度范围与澳大利亚和其他海外大米相似。然而,对某些元素的分析是一些越南和澳大利亚大米样品的特征。因此,越南大米的磷、钾和镁含量略高于其他国家的大米样本;锰可能是在扬科地区种植的澳大利亚水稻的一个标志,所分析的澳大利亚样品的镉含量也很低(< 0.003 mg kg-1)。在一些越南大米样品中观察到镍的不寻常分布,白米样品中镍的浓度高于糙米样品。
Various rice samples were collected in Vietnam from the Red River region, and some other parts of the country as well as from Yanco, NSW, Australia. The rice samples were analysed for 14 elements (P, K, Mg, Ca, Mn, Zn, Fe, Cu, Al, Na, Ni, As, Mo, and Cd) by ICP-AES, ICP-MS and FAAS. The analytical procedures were carefully controlled and validated using the rice flour certified material (NIES No 10). In general, the results showed that Vietnamese rice has elemental concentration ranges similar to those of the Australian and other overseas rice. However, analyses for some elements are characteristic of some Vietnamese and Australian rice samples. Thus, Vietnamese rice shows somewhat higher levels of P, K and Mg than rice samples from other countries; Mn could be a marker for the Australian rice grown in the Yanco region, and the analysed Australian samples were also very low in Cd (< 0.003 mg kg-1). An unusual distribution of Ni, present in higher concentrations in the white rice samples than in the brown ones, was observed for some Vietnamese rice samples.