delta H-2 of wheat and soil water in different growth stages and their application potentialities as fingerprints of geographical origin
文献类型: 外文期刊
第一作者: Liu, Hongyan
作者: Liu, Hongyan;Wei, Yimin;Wei, Shuai;Jiang, Tao;Zhang, Senshen;Guo, Boli
作者机构:
关键词: delta H-2;Isotope ratio mass spectrometry (IRMS);Geographical origin;Defatted wheat;Soil water
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The study aims to investigate whether stable hydrogen isotopic ratio (delta H-2) in wheat and soil water can be used as the fingerprint for geographical origin of wheat. Wheat was planted in three different regions in China across two years. The delta H-2 values were determined for soil water in three growth periods, and rainwater, groundwater, and defatted wheat in the maturity stage. The delta H-2 values both in soil water and defatted wheat showed significant differences among different regions and the changing trend of delta H-2 value in wheat was consistent with that in soil water and rainwater, but different from that in groundwater. The delta H-2 values in soil water in the depth of 0-20 cm in the maturity stage were positively correlated to the delta H-2 values of defatted wheat (y = 0.205x - 52.628, r(2) = 0.645) and could be used as the potential indicator for tracing wheat geographical origin. (C) 2017 Elsevier Ltd. All rights reserved.
分类号: TS2`TS201.2
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