In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method

HAO Hu-Lin; FENG Ying; HUANG Yu-Ying; TIAN Sheng-Ke; LU Ling-Li; YANG Xiao-E; WEI You-Zhang

Chinese Physics C> 2005, Vol. 29> Issue(S1) : 56-60

In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method

MOE Key Lab of Environment Remediation and Ecol. Health,College of Environment and Resource Sci., Zhejiang University, Hangzhou 310029, China2 Institute of High Energy Physics, CAS, Beijing 100049, China

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In this study, SRXRF method was used to analyze distribution of iron, zinc and other 5 nutrient elements in rice grain of Fe/Zn dense (IR68144) and non-dense (IR64) cultivars. The contents of iron and zinc in the dense cultivar IR68144 were 21 and 53mg/kg, respectively, while those in the non-dense cultivar IR64 being 11.2 and 23mg/kg, respectively. Iron and zinc can be detected in anywhere of the transverse section of IR 68144 grains, but cannot be detected in the center of IR64 grain. The contents of iron and zinc in seed hull of IR68144 were 3.5-fold lower than those in IR64, but higher content in endosperm cells of grain was found in IR 68144 than in IR64. Remarkable differences in the distribution of iron and zinc across rice grains section were noted between the two cultivars, however, the accumulation of Fe/Zn in rice grains was closely correlated with sulfur, calcium and manganese. The results obtained form this research can provide definite gist for further research on accumulation mechanism of iron and zinc in rice grains.

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HAO Hu-Lin, FENG Ying, HUANG Yu-Ying, TIAN Sheng-Ke, LU Ling-Li, YANG Xiao-E and WEI You-Zhang. In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method[J]. Chinese Physics C, 2005, 29(S1): 56-60.

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Received: 2005-10-28
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method

Corresponding author: YANG Xiao-E,

MOE Key Lab of Environment Remediation and Ecol. Health,College of Environment and Resource Sci., Zhejiang University, Hangzhou 310029, China2 Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2005-10-28

Accepted Date: 1900-01-01

Available Online: 2005-01-02

Abstract: In this study, SRXRF method was used to analyze distribution of iron, zinc and other 5 nutrient elements in rice grain of Fe/Zn dense (IR68144) and non-dense (IR64) cultivars. The contents of iron and zinc in the dense cultivar IR68144 were 21 and 53mg/kg, respectively, while those in the non-dense cultivar IR64 being 11.2 and 23mg/kg, respectively. Iron and zinc can be detected in anywhere of the transverse section of IR 68144 grains, but cannot be detected in the center of IR64 grain. The contents of iron and zinc in seed hull of IR68144 were 3.5-fold lower than those in IR64, but higher content in endosperm cells of grain was found in IR 68144 than in IR64. Remarkable differences in the distribution of iron and zinc across rice grains section were noted between the two cultivars, however, the accumulation of Fe/Zn in rice grains was closely correlated with sulfur, calcium and manganese. The results obtained form this research can provide definite gist for further research on accumulation mechanism of iron and zinc in rice grains.

In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method

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通讯作者: 陈斌, bchen63@163.com

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In Situ Analysis of Cellular Distribution of Iron and Zinc in Rice Grain Using SRXRF Method

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