Malnutrition is a medical condition caused by an unbalanced diet, typically characterised by stunting and wasting in children. Malnutrition causes approximately a third of all deaths in children between 0-59 months mostly in developing countries. In Namibia, 24% of children under the age of 5 years are stunted while 6.2% are wasted. Tylosema esculentum, commonly known as marama bean is an underutilised legume of high nutritious value. Indigenous to Namibia, marama bean seeds have comparably high protein and lipid content. Marama bean is an appealing crop to Namibia in particular due to its low cultivation demands as it grows in sandy soils with minimal water requirements and no need for fertilisers. Ten accessions of marama bean seeds were analysed for their nutritional composition. The results indicate that ash content was found ranging between 2.13% and 3.46%. Minerals analysed were calcium, iron, magnesium, phosphorus and zinc. Their range of concentrations were 750.1-2306.2 mgkg-1, 53.9-322.4 mgkg-1, 1764.1-7415.0 mgkg-1, 4300.8-5267.9 mgkg-1 and 32.2-48.8 mgkg-1 respectively with no significant difference in concentration among the ten accessions. Correlation analysis of the minerals within the accessions showed that the correlations between zinc-magnesium and zinc-phosphorus concentrations were significantly different as compared to the rest of the pairs for all accessions. When analysed, the maximum and minimum amounts of crude fat and carbohydrates were 29.9%-44.1% and 19.4%-39.0% respectively which were found to not have a significant difference. However, the protein analysis determined that there was a significant difference with PMBC2 (mean content 34.6%) being the most significant accession. Therefore, PMBC2 was found to be the most suitable accession for crop development and domestication. This study’s main contribution with respect to the domestication of marama bean was the identification of the most superior accession based on nutritional composition.
| Published in | Journal of Food and Nutrition Sciences (Volume 8, Issue 4) |
| DOI | 10.11648/j.jfns.20200804.11 |
| Page(s) | 74-80 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Malnutrition, Marama Bean, Nutritional Composition, Biofortifier, Crop Domestication
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APA Style
Paidamoyo Natasha Mataranyika, Percy Maruwa Chimwamurombe, Buhlebenkosi Fuyane, Kayini Chigayo, Julien Lusilao. (2020). Comparative Nutritional Analysis of Tylosema esculentum (Marama Bean) Germplasm Collection in Namibia. Journal of Food and Nutrition Sciences, 8(4), 74-80. https://doi.org/10.11648/j.jfns.20200804.11
ACS Style
Paidamoyo Natasha Mataranyika; Percy Maruwa Chimwamurombe; Buhlebenkosi Fuyane; Kayini Chigayo; Julien Lusilao. Comparative Nutritional Analysis of Tylosema esculentum (Marama Bean) Germplasm Collection in Namibia. J. Food Nutr. Sci. 2020, 8(4), 74-80. doi: 10.11648/j.jfns.20200804.11
AMA Style
Paidamoyo Natasha Mataranyika, Percy Maruwa Chimwamurombe, Buhlebenkosi Fuyane, Kayini Chigayo, Julien Lusilao. Comparative Nutritional Analysis of Tylosema esculentum (Marama Bean) Germplasm Collection in Namibia. J Food Nutr Sci. 2020;8(4):74-80. doi: 10.11648/j.jfns.20200804.11
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Download@article{10.11648/j.jfns.20200804.11,
author = {Paidamoyo Natasha Mataranyika and Percy Maruwa Chimwamurombe and Buhlebenkosi Fuyane and Kayini Chigayo and Julien Lusilao},
title = {Comparative Nutritional Analysis of Tylosema esculentum (Marama Bean) Germplasm Collection in Namibia},
journal = {Journal of Food and Nutrition Sciences},
volume = {8},
number = {4},
pages = {74-80},
doi = {10.11648/j.jfns.20200804.11},
url = {https://doi.org/10.11648/j.jfns.20200804.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jfns.20200804.11},
abstract = {Malnutrition is a medical condition caused by an unbalanced diet, typically characterised by stunting and wasting in children. Malnutrition causes approximately a third of all deaths in children between 0-59 months mostly in developing countries. In Namibia, 24% of children under the age of 5 years are stunted while 6.2% are wasted. Tylosema esculentum, commonly known as marama bean is an underutilised legume of high nutritious value. Indigenous to Namibia, marama bean seeds have comparably high protein and lipid content. Marama bean is an appealing crop to Namibia in particular due to its low cultivation demands as it grows in sandy soils with minimal water requirements and no need for fertilisers. Ten accessions of marama bean seeds were analysed for their nutritional composition. The results indicate that ash content was found ranging between 2.13% and 3.46%. Minerals analysed were calcium, iron, magnesium, phosphorus and zinc. Their range of concentrations were 750.1-2306.2 mgkg-1, 53.9-322.4 mgkg-1, 1764.1-7415.0 mgkg-1, 4300.8-5267.9 mgkg-1 and 32.2-48.8 mgkg-1 respectively with no significant difference in concentration among the ten accessions. Correlation analysis of the minerals within the accessions showed that the correlations between zinc-magnesium and zinc-phosphorus concentrations were significantly different as compared to the rest of the pairs for all accessions. When analysed, the maximum and minimum amounts of crude fat and carbohydrates were 29.9%-44.1% and 19.4%-39.0% respectively which were found to not have a significant difference. However, the protein analysis determined that there was a significant difference with PMBC2 (mean content 34.6%) being the most significant accession. Therefore, PMBC2 was found to be the most suitable accession for crop development and domestication. This study’s main contribution with respect to the domestication of marama bean was the identification of the most superior accession based on nutritional composition.},
year = {2020}
}
TY - JOUR T1 - Comparative Nutritional Analysis of Tylosema esculentum (Marama Bean) Germplasm Collection in Namibia AU - Paidamoyo Natasha Mataranyika AU - Percy Maruwa Chimwamurombe AU - Buhlebenkosi Fuyane AU - Kayini Chigayo AU - Julien Lusilao Y1 - 2020/06/28 PY - 2020 N1 - https://doi.org/10.11648/j.jfns.20200804.11 DO - 10.11648/j.jfns.20200804.11 T2 - Journal of Food and Nutrition Sciences JF - Journal of Food and Nutrition Sciences JO - Journal of Food and Nutrition Sciences SP - 74 EP - 80 PB - Science Publishing Group SN - 2330-7293 UR - https://doi.org/10.11648/j.jfns.20200804.11 AB - Malnutrition is a medical condition caused by an unbalanced diet, typically characterised by stunting and wasting in children. Malnutrition causes approximately a third of all deaths in children between 0-59 months mostly in developing countries. In Namibia, 24% of children under the age of 5 years are stunted while 6.2% are wasted. Tylosema esculentum, commonly known as marama bean is an underutilised legume of high nutritious value. Indigenous to Namibia, marama bean seeds have comparably high protein and lipid content. Marama bean is an appealing crop to Namibia in particular due to its low cultivation demands as it grows in sandy soils with minimal water requirements and no need for fertilisers. Ten accessions of marama bean seeds were analysed for their nutritional composition. The results indicate that ash content was found ranging between 2.13% and 3.46%. Minerals analysed were calcium, iron, magnesium, phosphorus and zinc. Their range of concentrations were 750.1-2306.2 mgkg-1, 53.9-322.4 mgkg-1, 1764.1-7415.0 mgkg-1, 4300.8-5267.9 mgkg-1 and 32.2-48.8 mgkg-1 respectively with no significant difference in concentration among the ten accessions. Correlation analysis of the minerals within the accessions showed that the correlations between zinc-magnesium and zinc-phosphorus concentrations were significantly different as compared to the rest of the pairs for all accessions. When analysed, the maximum and minimum amounts of crude fat and carbohydrates were 29.9%-44.1% and 19.4%-39.0% respectively which were found to not have a significant difference. However, the protein analysis determined that there was a significant difference with PMBC2 (mean content 34.6%) being the most significant accession. Therefore, PMBC2 was found to be the most suitable accession for crop development and domestication. This study’s main contribution with respect to the domestication of marama bean was the identification of the most superior accession based on nutritional composition. VL - 8 IS - 4 ER -
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