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Mineral contents of bran and kernel of rice grains as affected by fertilization

Authors:

H. M. A. J. Herath,

University of Peradeniya, LK
About H. M. A. J.
Postgraduate Institute of Agriculture
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G. A. P. Chandrasekara ,

Wayamba University of Sri Lanka, 60170, LK
About G. A. P.
Department of Applied Nutrition, Faculty of Livestock, Fisheries and Nutrition
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U. Pulenthiraj,

Wayamba University of Sri Lanka, 60170, LK
About U.
Department of Applied Nutrition, Faculty of Livestock, Fisheries and Nutrition
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C. M. N. R. Chandrasekara,

Sri Lanka School of Agriculture, Kundasale, LK
About C. M. N. R.
Department of Agriculture
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D. G. N. G. Wijesinghe

University of Peradeniya, LK
About D. G. N. G.
Department of Food Science and Technology, Faculty of Agriculture
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Abstract

Application of inorganic fertilizers may incorporate minerals into rice grains. Distribution of minerals in rice grains vary in bran and kernel. The aim of the present study was to compare mineral contents (MCs) of bran and kernels of selected newly improved rice varieties in Sri Lanka with and without fertilizer applications. Twenty rice varieties were tested. Rice bran and rice kernels were analyzed for Ca, Mg, Mn and Zn using Atomic Absorption Spectrophotometer. Calcium contents of brans and kernels ranged from 952 to 1605 mg/kg and 613 to 1107 mg/kg dry matter in fertilized varieties, respectively. High MCs were observed in fertilizer applied varieties. Higher MCs were found in the bran of rice grains. The MCs of rice grains were significantly different among the varieties and affected by fertilizer application and processing. Applications of inorganic fertilizers strengthened the MCs of rice kernels and bran.
How to Cite: Herath, H.M.A.J., Chandrasekara, G.A.P., Pulenthiraj, U., Chandrasekara, C.M.N.R. and Wijesinghe, D.G.N.G., 2018. Mineral contents of bran and kernel of rice grains as affected by fertilization. Tropical Agricultural Research, 30(1), pp.95–102. DOI: http://doi.org/10.4038/tar.v30i1.8281
Published on 31 Dec 2018.
Peer Reviewed

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