Variation of the light stable isotopes in the superior and inferior grains of rice (Oryza sativa L.) with different geographical origins

文献类型: 外文期刊

第一作者: Chen, Tianjin

作者: Chen, Tianjin;Zhao, Yan;Yang, Shuming;Zhang, Guoyou;Zhang, Weixing;Ye, Zhihua;Chen, Tianjin;Zhao, Yan;Yang, Shuming;Zhang, Guoyou

作者机构:

关键词: Rice;Stable isotope;Superior spikelet;Inferior spikelet;Geographical origin

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN: 0308-8146

年卷期: 2016 年 209 卷

页码:

收录情况: SCI

摘要: Trying to explore a new research angle to increase the resolution and accessibility of isotopic based traceability technique, light stable isotopes (delta C-13, delta N-15, delta D and delta O-18) in the superior (SS) and inferior (IS) grains of a rice cultivar Daohuaxiang were analyzed with relatively limited sample numbers and adjacent sites in Fujin and Wuchang, Heilongjiang Province, PR China. Distribution of delta C-13, delta N-15 and delta O-18 in the SS and IS grains were found to be different. delta O-18 and delta D can discriminate rice cultivation areas. However, delta C-13 and delta N-15 values in Fujin and Wuchang overlapped when the differences between SS and IS were considered, thus delta C-13 and delta N-15 cannot be used to discriminate cultivation areas. This exploratory study indicate the variation of the light stable isotopes in the grains located on different panicle positions could be used to discriminate the geographical origin but still need further systematic consideration and verification. (C) 2016 Elsevier Ltd. All rights reserved.

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