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ArticleOccurrence of 30 trace elements in foods from a multi-centre Sub-Saharan Africa Total Diet Study: Focus on Al, As, Cd, Hg, and Pb 2019
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No results found.This paper reports occurrence data related to 30 trace elements in food composite samples from a multi-regional Sub-Saharan Africa Total Diet Study. Herein, 2700 samples grouped in 225 food composite samples corresponding to 13 food groups: cereals, tubers, legumes, vegetables, fruits, nuts/seeds, meat, eggs, fish, milk/dairy, oil/fats, and beverages from eight locations in four countries, namely Benin (Littoral/Borgou), Cameroon(Duala/North), Mali (Bamako/Sikasso), and Nigeria (Lagos/Kano) were prepared as consumed, pooled, and analysed using a validated method based on inductively coupled plasma-mass spectrometry. The occurrence data for Al, As, Cd, Hg, and Pb as regulated by the Codex Alimentarius are discussed herein. Although the levels of As, Cd, Hg, and Pb were above the limit of quantification, they were below the maximum limits set by the Codex in most samples analysed. A distinct feature was observed for cereals and tubers, as they were mostly contaminated with Al and Pb. A pilot study regarding the impact of using artisanal cookware (made from recycled aluminium) on the contamination of food samples was performed. Relevant contamination with Al and Pb when cooking tomato samples from Cameroon and Nigeria using artisanal aluminium cookware was compared to that when cooked using stainless-steel. -
Brochure, flyer, fact-sheetStandard operating procedure for quasi total elements in soil by acid digestion, including heavy metals 2023
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No results found.This method is applicable to the determination of trace element metals (MTE) as well as metalloids in soils by acid digestion using aqua regia. -
Brochure, flyer, fact-sheetSustainable soil management as keystone of nutrition sensitive agriculture in Malawi
Country factsheet
2023Also available in:
No results found.This country factsheet highlights the importance of the relationship between soil management with nutrition aspects in Malawi. The adoption of sustainable soil management practices, such as intercropping and organic matter additions, in combination with micronutrient application, contributing to a better nutritional status of the population. The country fact sheet is the result of a review of scientific references and from field trials and demonstration sites developed under the Sustainable Soil Management for Nutrition-Sensitive Agriculture in Sub-Saharan Africa and Southeast Asia project, funded by the German Federal Ministry of Food and Agriculture. The project analyzed the links between soil properties and plant micronutrient content in cropping areas in Malawi, and tested the effectiveness of sustainable soil management practices in increasing the micronutrient content of food. A long-term plan is recommended to obtain additional information about the relationship between soil health and the quality of locally produced food. In the same way, through capacities developed locally, in rural communities, a major participation is expected.
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