Quantitative Analysis of Nutrient Minerals in Malagasy Rice Species by EDXRF and Dietary Intake Assessment
American Journal of Applied Chemistry
Volume 7, Issue 5, October 2019, Pages: 137-144
Received: Sep. 11, 2019; Accepted: Oct. 11, 2019; Published: Oct. 23, 2019
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Authors
Herinirina Nomenjanahary Ravoson, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar
Manovantsoatsiferana Harinoely, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar
Njaka Namelantsoa Andriamahenina, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar
Natolotriniavo Nomena Fitiavana Andrianirinamanantsoa, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar
Elise Octavie Rasoazanany, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar; Department of Physics, University of Antananarivo, Antananarivo, Madagascar
Lucienne Voahangilalao Rakotozafy, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar
Roland Raboanary, Department of X-Ray Fluorescence and Environment, Institut National des Sciences et Techniques Nucléaires-Madagascar, Antananarivo, Madagascar; Department of Physics, University of Antananarivo, Antananarivo, Madagascar
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Abstract
The elemental analysis of rice samples sold in local market in Antananarivo are carried out at Institut National des Sciences et Techniques Nucléaires-Madagascar (INSTN-Madagascar) using Energy Dispersive X-Ray Fluorescence (EDXRF) spectrometer. The study aims to assess the nutritional and mineral elements contents of rice which is the staple dietary food for Malagasy people. The Malagasy rice is divided into three species according to its color: red, pink and white rice. Essential major elements namely sodium (Na), magnesium (Mg), phosphorus (P), chloride (Cl), potassium (K), calcium (Ca) and trace elements such as chromium (Cr), manganese (Mn), iron (Fe), copper (Cu), zinc (Zn), selenium (Se) and iodine (I) are quantitatively determined. The accuracy of the instrumental method and analytical procedures are checked by using the Reference Material IPE 135 (Rice sample) from the Wageningen Evaluating Programmes for Analytical Laboratory (WEPAL) in Netherland. The experimental values are in good agreement with the certified values because of a coefficient of determination R² of 0.999 and a recovery rate %R between 87% and 114%. The comparison of the elemental content of the studied rice samples with the Recommended Dietary Allowance (RDA) reveals that Red rice foods have sufficient capacity to provide adult male consumers with P, Mn, Mg, Fe, Cu and Zn. Certainly insufficient daily intake of Mg (55%), Fe (58%), Cu (89%) and Zn (79%) could be met by ingestion of vegetables and meats that are served as a side dish.
Keywords
Rice, EDPXRF, Madagascar, Recommended Dietary Allowance
To cite this article
Herinirina Nomenjanahary Ravoson, Manovantsoatsiferana Harinoely, Njaka Namelantsoa Andriamahenina, Natolotriniavo Nomena Fitiavana Andrianirinamanantsoa, Elise Octavie Rasoazanany, Lucienne Voahangilalao Rakotozafy, Roland Raboanary, Quantitative Analysis of Nutrient Minerals in Malagasy Rice Species by EDXRF and Dietary Intake Assessment, American Journal of Applied Chemistry. Vol. 7, No. 5, 2019, pp. 137-144. doi: 10.11648/j.ajac.20190705.12
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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