Linkages between soil, crop, livestock, and human selenium status in Sub-Saharan Africa: a scoping review.

A - Papers appearing in refereed journals

Mutonhodza, B., Joy, E., Bailey, E., Lark, R. M., Kangara, G., Broadley, M., Matsungo, T. M. and Chopera, P. 2022. Linkages between soil, crop, livestock, and human selenium status in Sub-Saharan Africa: a scoping review. Food Science and Technology. 57 (10), pp. 6336-6349. https://doi.org/10.1111/ijfs.15979

AuthorsMutonhodza, B., Joy, E., Bailey, E., Lark, R. M., Kangara, G., Broadley, M., Matsungo, T. M. and Chopera, P.
Abstract

Selenium (Se) is essential for human health, however, data on population Se status and agriculture-nutrition-health linkages are limited in sub-Saharan Africa (SSA). The scoping review aims to identify linkages between Se in soils/crops, dietary Se intakes, and livestock and human Se status in SSA. Online databases, organisational websites and grey literature were used to identify articles. Articles were screened at title, abstract and full text levels using eligibility criteria. The search yielded 166 articles from which 112 were excluded during abstract screening and 54 full text articles were assessed for eligibility. The scoping review included 34 primary studies published between 1984 and 2021. The studies covered Se concentrations in soils (n = 7), crops (n = 9), animal tissues (n = 2), livestock (n = 3), and human Se status (n = 15). The evidence showed that soil/crop Se concentrations affected Se concentration in dietary sources, dietary Se intake and biomarkers of Se status. Soil types are a primary driver of human Se status and crop Se concentration correlates positively with biomarkers of Se dietary status. Although data sets of Se concentrations exist across the food system in SSA, there is limited evidence on linkages across the agriculture-nutrition nexus. Extensive research on Se linkages across the food chain is warranted.

KeywordsAnimal tisssue; Cereals and grains ; Dietary; Nutrition; Selenium; Se Deficiency
Year of Publication2022
JournalFood Science and Technology
Journal citation57 (10), pp. 6336-6349
Digital Object Identifier (DOI)https://doi.org/10.1111/ijfs.15979
Open accessPublished as ‘gold’ (paid) open access
FunderBiotechnology and Biological Sciences Research Council
Publisher's version
Output statusPublished
Publication dates
Online16 Jul 2022
Publication process dates
Accepted11 Jul 2022
ISSN0101-2061
PublisherSoc Brasileira Ciencia Tecnologia Alimentos

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