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Effect of Farm Additives on the Potential Bioavailability of Some Nutritional Elements from Kenyan Wild Plants

  • R. MogwasiEmail author
  • D. K. Kariuki
  • Z. M. Getenga
Article
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Abstract

In this study, the effects of farm additives on eight wild plants from Nyamira County, Kenya were evaluated for their release of iron, copper, calcium, potassium and magnesium. A hundred and sixty traditional medicinal practitioners were surveyed and found to use Solanum indicum, Carissa edulis, Urtica dioica, Clerodendrum myricoides, Aloe vera, Plectranthus barbatus, Bidens pilosa and Solanum mauense. Atomic absorption spectrophotometer was used to determine the total nutritional element contents in the plants while ultra filtration and physiologically based extraction tests were used to determine the release and solubility of the nutritional elements. The plants from areas with high use of farm additives were found to have statistically significant high total levels of copper from the area with no or little application. Elemental analysis of the molecular species fractions into < 3 kDa, 3–10 kDa, 10 kDa–0.45 μm and 0.45–5 μm mass fractions showed that the mass distribution of the elements in the plants depended on the element. The nutritional elements released by gastrointestinal digestion were more than those released aquatically. Farm additives had no significant effect on the levels of most nutritional elements determined and the plants can be used as mineral element supplements in the human body in addition to their therapeutic activity.

Keywords

Agricultural activities Anaemia Bioavailability Fractionation Nyamira 

Notes

Acknowledgements

The authors acknowledge the assistance given by Mr. Ephantus Mwangi and Ms. Marion, the Nairobi University Chemistry Department Technicians in carrying out the analytical work.

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest.

Supplementary material

12011_2019_1855_MOESM1_ESM.pdf (3 mb)
ESM 1 (PDF 597 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of ChemistryKisii UniversityKisiiKenya
  2. 2.Department of ChemistryUniversity of NairobiNairobiKenya
  3. 3.Department of ChemistryMachakos UniversityMachakosKenya

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