Proximate and Amino Acid Analyses of the Rhizome of Nymphaea lotus (Water Lily)
Modern Chemistry
Volume 7, Issue 3, September 2019, Pages: 54-57
Received: Aug. 16, 2019; Accepted: Sep. 16, 2019; Published: Sep. 26, 2019
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Authors
Amagbor Stella Chinelo, Department of Biological and Chemical Sciences, Michael and Cecilia Ibru University, Agbarha-Utor, Nigeria
Umar Kabiru Jega, Department of Pure and Industrial Chemistry, Federal University, Birnin Kebbi, Nigeria
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Abstract
The proximate composition and the amino acid profile analyses of the rhizome of Nymphaea lotus (water lily) were carried out based on standard methods reported by the association of official Analytical Chemists (AOAC). The results of the proximate analysis showed that Nymphaea lotus rhizome had moisture content of 48.83±3.22; crude protein 4.23±0.06; crude fibre 5.00±1.50; ash content 4.67±0.17; high available carbohydrate 35.44 ± 0.01 and energy value 742.10 kJ/100 g. The crude lipid content was low 1.83±0.60. The study detected seventeen different amino acids. The amino acid content in g/100 g protein content was: lysine = 3.11, histidine= 1.82, arginine= 4.25, aspartic acid = 7.60, threonine= 2.19, serine= 3.02, glutamic acid= 9.68, proline= 2.34, glycine= 3.06, alanine= 3.40, cycteine= 0.73, valine= 3.37, methionine= 1.09, isoleucine= 2.35, leucine= 8.24, tyrosine= 2.25 and phenylalnine= 3.72. The studied revealed that glutamic acid, aromatic acids, leucine and aspartic acid were the predominant amino acids. All essential amino acids were found to be higher than WHO/FAO/UNU requirement pattern for adults while leucine was found to be higher than the requirement pattern for preschool children. Lysine however was found to be the most limiting amino acid for preschool children. The presence of these compounds of nutritive value, as well as high energy value suggests that Nymphaea lotus rhizome could serve as a food supplement for livestock and humans.
Keywords
Proximate Analysis, Amino Acid Profile, Nymphaea lotus Rhizome
To cite this article
Amagbor Stella Chinelo, Umar Kabiru Jega, Proximate and Amino Acid Analyses of the Rhizome of Nymphaea lotus (Water Lily), Modern Chemistry. Vol. 7, No. 3, 2019, pp. 54-57. doi: 10.11648/j.mc.20190703.12
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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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