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Application of ICP-MS to Detection of Mineral Elements and Heavy Metals in Cassava's Byproducts

文献类型： 外文期刊

作者： Tao Hai-teng 2 ; Zhang Chun-jiang 2 ; Chen Xiao-ming 2 ; Lue Fei-jie 1 ; Tai Jian-xiang 1 ; Li Kai-mian 3 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China

2.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China

3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou 571737, Peoples R China

关键词： Cassava's byproducts;ICP-MS;Mineral elements;Heavy metals

期刊名称：SPECTROSCOPY AND SPECTRAL ANALYSIS （ 影响因子：0.589； 五年影响因子：0.504 ）

ISSN： 1000-0593

年卷期： 2009 年 29 卷 7 期

页码：

收录情况： SCI

摘要： Cassava is a main cultivated tropical crop in China, its rich starch roots are often used to produce fuel ethanol in recent years, so it's a kind of hot biomass energy crops. But cassava's byproducts such as leaves, stems and peels are regarded as waste, and are not fully utilized. Cassava's byproducts contain many nutrients, and can be used to process high value food products. The contents of mineral elements and heavy metals in cassava's byproducts ware studied by ICP-MS. The results showed that cassava's byproducts contained many elements necessary to human health, the sequence of macroelements was K>Ca>P> Mg>S>Mn>Zn>Na>Fe>B>Cu, particularly, the contents of Fe, Mn, Zn and B ranged from 10 to 800 mu g . g(-1) (DW), while the contents of microelements including Me, Co, Se and Ge ranged from 0.01 to 0.2 mu g . g(-1) (DW), which are important to human health. Besides macroelements and microelements, the contents of heavy metals (As, Cr, Pb and Hg) were also important to identify the quality of farm products, and the results showed that cassava's byproducts contained little heavy metals except Pb (2.19 mu g . g(-1) (DW) in stalk peels). All the data showed that cassava's byproducts accorded with the national hygiene standards.

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