Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains

Rabia Msuya; Frederick Baijukya; Jamal Kussaga; Lucy Chove

doi:doi:10.11648/j.jfns.20261401.13

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Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains

Rabia Msuya, Frederick Baijukya, Jamal Kussaga, Lucy Chove^*

Published in Journal of Food and Nutrition Sciences (Volume 14, Issue 1)

Received: 8 December 2025 Accepted: 12 January 2026 Published: 30 January 2026

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Abstract

Post-harvest losses are largely driven by insufficient storage methods, which compromise grain quality and nutritional value, exacerbating food insecurity and economic waste. In Tanzania, most storage-related losses are attributed to the use of inadequate storage materials and practices in general. The study aims to determine the influence of soybean variety (SC Semeki and Uyole soya 2), storage temperature (15°C and 25°C) and material (polypropylene and Purdue Improved Crop Storage (PICS) bags and polypropylene bags) on mineral profile (Calcium, potassium, magnesium, manganese, phosphorus, iron, copper and zinc) for period of 3 months. The results revealed that the highest level of decrease in varieties was observed with SC Semeki (maximum decrease 49%) compared to Uyole soya 2 (38%). With storage material, polypropylene bags (49%) had higher decrease compared to PICS bags (maximum decrease 29%). While, with temperature 25°C (maximum decrease 42%) had higher decrease in comparison to 15°C (maximum decrease 38%). In addition, the relationship between factors and mineral profile (R square) revealed highest variation in iron (99%), copper (98.7%) and calcium (82.8%), while the least with potassium (46.8%). However, general findings in mineral composition during storage showed that the least decrease was with iron (maximum decrease 5%) and the highest was with calcium (maximum decrease 49%). These findings underscore the efficiency of PICS bags and low temperature storage while acknowledging the variation in sensitivity of mineral profile with soybean variety.

Published in	Journal of Food and Nutrition Sciences (Volume 14, Issue 1)
DOI	10.11648/j.jfns.20261401.13
Page(s)	34-43
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), 2026. Published by Science Publishing Group

Keywords

Storage Temperature, Material, Soybean Variety, Mineral Composition

References

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APA Style

Msuya, R., Baijukya, F., Kussaga, J., Chove, L. (2026). Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. Journal of Food and Nutrition Sciences, 14(1), 34-43. https://doi.org/10.11648/j.jfns.20261401.13

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ACS Style

Msuya, R.; Baijukya, F.; Kussaga, J.; Chove, L. Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. J. Food Nutr. Sci. 2026, 14(1), 34-43. doi: 10.11648/j.jfns.20261401.13

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AMA Style

Msuya R, Baijukya F, Kussaga J, Chove L. Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. J Food Nutr Sci. 2026;14(1):34-43. doi: 10.11648/j.jfns.20261401.13

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@article{10.11648/j.jfns.20261401.13,
  author = {Rabia Msuya and Frederick Baijukya and Jamal Kussaga and Lucy Chove},
  title = {Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains},
  journal = {Journal of Food and Nutrition Sciences},
  volume = {14},
  number = {1},
  pages = {34-43},
  doi = {10.11648/j.jfns.20261401.13},
  url = {https://doi.org/10.11648/j.jfns.20261401.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jfns.20261401.13},
  abstract = {Post-harvest losses are largely driven by insufficient storage methods, which compromise grain quality and nutritional value, exacerbating food insecurity and economic waste. In Tanzania, most storage-related losses are attributed to the use of inadequate storage materials and practices in general. The study aims to determine the influence of soybean variety (SC Semeki and Uyole soya 2), storage temperature (15°C and 25°C) and material (polypropylene and Purdue Improved Crop Storage (PICS) bags and polypropylene bags) on mineral profile (Calcium, potassium, magnesium, manganese, phosphorus, iron, copper and zinc) for period of 3 months. The results revealed that the highest level of decrease in varieties was observed with SC Semeki (maximum decrease 49%) compared to Uyole soya 2 (38%). With storage material, polypropylene bags (49%) had higher decrease compared to PICS bags (maximum decrease 29%). While, with temperature 25°C (maximum decrease 42%) had higher decrease in comparison to 15°C (maximum decrease 38%). In addition, the relationship between factors and mineral profile (R square) revealed highest variation in iron (99%), copper (98.7%) and calcium (82.8%), while the least with potassium (46.8%). However, general findings in mineral composition during storage showed that the least decrease was with iron (maximum decrease 5%) and the highest was with calcium (maximum decrease 49%). These findings underscore the efficiency of PICS bags and low temperature storage while acknowledging the variation in sensitivity of mineral profile with soybean variety.},
 year = {2026}
}

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TY  - JOUR
T1  - Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains
AU  - Rabia Msuya
AU  - Frederick Baijukya
AU  - Jamal Kussaga
AU  - Lucy Chove
Y1  - 2026/01/30
PY  - 2026
N1  - https://doi.org/10.11648/j.jfns.20261401.13
DO  - 10.11648/j.jfns.20261401.13
T2  - Journal of Food and Nutrition Sciences
JF  - Journal of Food and Nutrition Sciences
JO  - Journal of Food and Nutrition Sciences
SP  - 34
EP  - 43
PB  - Science Publishing Group
SN  - 2330-7293
UR  - https://doi.org/10.11648/j.jfns.20261401.13
AB  - Post-harvest losses are largely driven by insufficient storage methods, which compromise grain quality and nutritional value, exacerbating food insecurity and economic waste. In Tanzania, most storage-related losses are attributed to the use of inadequate storage materials and practices in general. The study aims to determine the influence of soybean variety (SC Semeki and Uyole soya 2), storage temperature (15°C and 25°C) and material (polypropylene and Purdue Improved Crop Storage (PICS) bags and polypropylene bags) on mineral profile (Calcium, potassium, magnesium, manganese, phosphorus, iron, copper and zinc) for period of 3 months. The results revealed that the highest level of decrease in varieties was observed with SC Semeki (maximum decrease 49%) compared to Uyole soya 2 (38%). With storage material, polypropylene bags (49%) had higher decrease compared to PICS bags (maximum decrease 29%). While, with temperature 25°C (maximum decrease 42%) had higher decrease in comparison to 15°C (maximum decrease 38%). In addition, the relationship between factors and mineral profile (R square) revealed highest variation in iron (99%), copper (98.7%) and calcium (82.8%), while the least with potassium (46.8%). However, general findings in mineral composition during storage showed that the least decrease was with iron (maximum decrease 5%) and the highest was with calcium (maximum decrease 49%). These findings underscore the efficiency of PICS bags and low temperature storage while acknowledging the variation in sensitivity of mineral profile with soybean variety.
VL  - 14
IS  - 1
ER  -

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Author Information

Rabia Msuya

Department of Food Science and Agro-processing, Sokoine University of Agriculture, Morogoro, Tanzania
Frederick Baijukya

Department of Natural Resources, International Institute of Tropical Agriculture, Dar es Salaam, Tanzania
Jamal Kussaga

Department of Food Science and Agro-processing, Sokoine University of Agriculture, Morogoro, Tanzania
Lucy Chove

Department of Food Science and Agro-processing, Sokoine University of Agriculture, Morogoro, Tanzania

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APA Style

Msuya, R., Baijukya, F., Kussaga, J., Chove, L. (2026). Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. Journal of Food and Nutrition Sciences, 14(1), 34-43. https://doi.org/10.11648/j.jfns.20261401.13

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ACS Style

Msuya, R.; Baijukya, F.; Kussaga, J.; Chove, L. Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. J. Food Nutr. Sci. 2026, 14(1), 34-43. doi: 10.11648/j.jfns.20261401.13

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AMA Style

Msuya R, Baijukya F, Kussaga J, Chove L. Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains. J Food Nutr Sci. 2026;14(1):34-43. doi: 10.11648/j.jfns.20261401.13

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@article{10.11648/j.jfns.20261401.13,
  author = {Rabia Msuya and Frederick Baijukya and Jamal Kussaga and Lucy Chove},
  title = {Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains},
  journal = {Journal of Food and Nutrition Sciences},
  volume = {14},
  number = {1},
  pages = {34-43},
  doi = {10.11648/j.jfns.20261401.13},
  url = {https://doi.org/10.11648/j.jfns.20261401.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jfns.20261401.13},
  abstract = {Post-harvest losses are largely driven by insufficient storage methods, which compromise grain quality and nutritional value, exacerbating food insecurity and economic waste. In Tanzania, most storage-related losses are attributed to the use of inadequate storage materials and practices in general. The study aims to determine the influence of soybean variety (SC Semeki and Uyole soya 2), storage temperature (15°C and 25°C) and material (polypropylene and Purdue Improved Crop Storage (PICS) bags and polypropylene bags) on mineral profile (Calcium, potassium, magnesium, manganese, phosphorus, iron, copper and zinc) for period of 3 months. The results revealed that the highest level of decrease in varieties was observed with SC Semeki (maximum decrease 49%) compared to Uyole soya 2 (38%). With storage material, polypropylene bags (49%) had higher decrease compared to PICS bags (maximum decrease 29%). While, with temperature 25°C (maximum decrease 42%) had higher decrease in comparison to 15°C (maximum decrease 38%). In addition, the relationship between factors and mineral profile (R square) revealed highest variation in iron (99%), copper (98.7%) and calcium (82.8%), while the least with potassium (46.8%). However, general findings in mineral composition during storage showed that the least decrease was with iron (maximum decrease 5%) and the highest was with calcium (maximum decrease 49%). These findings underscore the efficiency of PICS bags and low temperature storage while acknowledging the variation in sensitivity of mineral profile with soybean variety.},
 year = {2026}
}

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TY  - JOUR
T1  - Effect of Storage Conditions and Soybean Variety on Mineral Composition of Soybean Grains
AU  - Rabia Msuya
AU  - Frederick Baijukya
AU  - Jamal Kussaga
AU  - Lucy Chove
Y1  - 2026/01/30
PY  - 2026
N1  - https://doi.org/10.11648/j.jfns.20261401.13
DO  - 10.11648/j.jfns.20261401.13
T2  - Journal of Food and Nutrition Sciences
JF  - Journal of Food and Nutrition Sciences
JO  - Journal of Food and Nutrition Sciences
SP  - 34
EP  - 43
PB  - Science Publishing Group
SN  - 2330-7293
UR  - https://doi.org/10.11648/j.jfns.20261401.13
AB  - Post-harvest losses are largely driven by insufficient storage methods, which compromise grain quality and nutritional value, exacerbating food insecurity and economic waste. In Tanzania, most storage-related losses are attributed to the use of inadequate storage materials and practices in general. The study aims to determine the influence of soybean variety (SC Semeki and Uyole soya 2), storage temperature (15°C and 25°C) and material (polypropylene and Purdue Improved Crop Storage (PICS) bags and polypropylene bags) on mineral profile (Calcium, potassium, magnesium, manganese, phosphorus, iron, copper and zinc) for period of 3 months. The results revealed that the highest level of decrease in varieties was observed with SC Semeki (maximum decrease 49%) compared to Uyole soya 2 (38%). With storage material, polypropylene bags (49%) had higher decrease compared to PICS bags (maximum decrease 29%). While, with temperature 25°C (maximum decrease 42%) had higher decrease in comparison to 15°C (maximum decrease 38%). In addition, the relationship between factors and mineral profile (R square) revealed highest variation in iron (99%), copper (98.7%) and calcium (82.8%), while the least with potassium (46.8%). However, general findings in mineral composition during storage showed that the least decrease was with iron (maximum decrease 5%) and the highest was with calcium (maximum decrease 49%). These findings underscore the efficiency of PICS bags and low temperature storage while acknowledging the variation in sensitivity of mineral profile with soybean variety.
VL  - 14
IS  - 1
ER  -

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