[云南糙米、精米与土壤中矿质元素的ICP-AES法相关性研究]
[Correlation of mineral elements between milled and brown rice and soils in Yunnan studied by ICP-AES].
作者信息
Zeng Ya-wen, Wang Lu-xiang, Du Juan, Yang Shu-ming, Wang Yu-chen, Li Qi-wan, Sun Zheng-hai, Pu Xiao-ying, Du Wei
机构信息
Biotechnology and Genetic Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China.
出版信息
Guang Pu Xue Yu Guang Pu Fen Xi. 2009 May;29(5):1413-7.
In the present paper, the contents of 18 mineral elements in milled and brown rice of 55 accessions elite cultivars as well as corresponding soils were determined by ICP-AES technique. The method proves to be simple, rapid, highly sensitive and accurate, and can be used to determine many elements at the same time, its recovery ratio obtained by standard addition method ranged between 93.1% and 110.2%, and its RSD was from 0.8% to 5.1%. The analytical results showed that 18 mineral elements (S, Mo, Ba, Ni, Fe, Cr, Na, Al, Cu, P, Sn, Zn, B, Mn, Mg, Ca, Sr and K) are the important active compositions of functional rice, and their mean contents in milled rice are in the order of P>K>S>Mg>Ca>Zn>Na>Al>Mn>Fe>Cu>B >Mo>Ni>Sn>Cr>Ba>Sr, in brown rice in the order of P>K>Mg>S>Ca>Zn>Mn>Al>Na>Fe>Cu>B>Mo>Sn> Ni>Cr>Ba>Sr, but in soil in the order of Fe>Al>Ca>K>Mg>P>S>Mn>B>Na>Ba>Zn>Cr>Cu>Ni>Sn>Mo> Sr; 16 mineral elements in milled and brown rice (except for S and P) are clearly lower than that in soils. The correlation of 8 microelements (Mo, Ni, Cr, Sr, Mn, Zn, Cu and Na) in milled and brown rice is closer than that of 6 macroelements (P, K, Mg, Ca, S and Al). There are rich Fe, Al and Ca in Yunnan soils, but 4 elements (P, K, Mg and S) are in high priority in milled and brown rice; The milled rice used for the staple is easier to place a premium on chronics than brown rice. The above results provided reliable data and theory bases for genetic breeding and production of functional rice, and for further solving the chronics and the malnourished problems with insufficient Fe, Zn and Ca for 4 billion people in the world.
本文采用电感耦合等离子体发射光谱法（ICP - AES）测定了55份优良品种的精米和糙米以及相应土壤中18种矿质元素的含量。该方法简便、快速、灵敏度高且准确，可同时测定多种元素，采用标准加入法测得其回收率在93.1%至110.2%之间，相对标准偏差（RSD）为0.8%至5.1%。分析结果表明，18种矿质元素（硫、钼、钡、镍、铁、铬、钠、铝、铜、磷、锡、锌、硼、锰、镁、钙、锶和钾）是功能稻的重要活性成分，它们在精米中的平均含量顺序为磷＞钾＞硫＞镁＞钙＞锌＞钠＞铝＞锰＞铁＞铜＞硼＞钼＞镍＞锡＞铬＞钡＞锶，在糙米中的顺序为磷＞钾＞镁＞硫＞钙＞锌＞锰＞铝＞钠＞铁＞铜＞硼＞钼＞锡＞镍＞铬＞钡＞锶，而在土壤中的顺序为铁＞铝＞钙＞钾＞镁＞磷＞硫＞锰＞硼＞钠＞钡＞锌＞铬＞铜＞镍＞锡＞钼＞锶；精米和糙米中的16种矿质元素（除硫和磷外）明显低于土壤中的含量。精米和糙米中8种微量元素（钼、镍、铬、锶、锰、锌、铜和钠）之间的相关性比6种常量元素（磷、钾、镁、钙、硫和铝）之间的相关性更紧密。云南土壤中富含铁、铝和钙，但精米和糙米中优先含量较高的是4种元素（磷、钾、镁和硫）；作为主食的精米比糙米更容易引发慢性病。上述结果为功能稻的遗传育种和生产，以及进一步解决全球40亿人缺铁、锌和钙的慢性病及营养不良问题提供了可靠的数据和理论依据。
Zotero 插件