Fusarium and fumonisin in GM maize grown by small-scale farmers in KwaZulu-Natal, South Africa

Autor: John P. Rheeder, Liana van der Westhuizen

Publikováno v: South African Journal of Science, Vol 120, Iss 1/2 (2024)

The genetic modification (GM) of maize to contain proteins that act to control insects has become a widespread agricultural practice. Although the reduction of insect damage to maize ears could potentially increase crop yield, rural small-scale farme

Externí odkaz: https://doaj.org/article/14d98dc7258b4eb48540554731ee68af

Relative severity of fumonisin contamination of cereal crops in West Africa

Autor: Hester F. Vismer, Gordon S. Shephard, John P. Rheeder, Liana van der Westhuizen, Ranajit Bandyopadhyay

Publikováno v: Food Additives & Contaminants: Part A. 32:1952-1958

Traditional and improved varieties of maize, pearl millet and sorghum were planted by small-scale farmers under the direction of the International Institute for Tropical Agriculture in two Nigerian agro-ecological zones: the Sudan Savanna and the Nor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b56b854f08d8c0b8978ea09e93dfc02d
https://doi.org/10.1080/19440049.2015.1084654

Mycological Analysis and Multimycotoxins in Maize from Rural Subsistence Farmers in the Former Transkei, South Africa

Autor: Hester-Mari Burger, Michael Sulyok, Benedikt Warth, Lucia Gambacorta, Michele Solfrizzo, Rudolf Krska, Stephen P. Powers, John P. Rheeder, Gordon S. Shephard, Liana van der Westhuizen, Angelo Visconti

Publikováno v: Journal of Agricultural and Food Chemistry
Journal of agricultural and food chemistry 61 (2013): 8232–8240. doi:10.1021/jf4021762
info:cnr-pdr/source/autori:Gordon S. Shephard,*,+ Hester-Mari Burger,+ Lucia Gambacorta,? Rudolf Krska,§ Stephen P. Powers,# John P. Rheeder,+ Michele Solfrizzo,? Michael Sulyok,§ Angelo Visconti,? Benedikt Warth,§ and Liana van der Westhuizen+/titolo:Mycological analysis and multimycotoxins in maize from rural subsistence farmers in the former Transkei, South Africa/doi:10.1021%2Fjf4021762/rivista:Journal of agricultural and food chemistry/anno:2013/pagina_da:8232/pagina_a:8240/intervallo_pagine:8232–8240/volume:61

Maize harvested in the Centane region of the former Transkei, Eastern Cape Province, South Africa, by subsistence farmers has been shown over many seasons to be contaminated with fumonisin mycotoxins. However, there are limited data on the presence o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d269d1521f8ddb638366bcb2108a6aa

Fumonisin B1 as a Urinary Biomarker of Exposure in a Maize Intervention Study Among South African Subsistence Farmers

Autor: Christopher P. Wild, Wentzel C. A. Gelderblom, Hester M. Burger, Gordon S. Shephard, Yun Yun Gong, John P. Rheeder, Liana van der Westhuizen

Publikováno v: Cancer Epidemiology, Biomarkers & Prevention. 20:483-489

Background: The consumption of maize highly contaminated with carcinogenic fumonisins has been linked to high oesophageal cancer rates. The aim of this study was to validate a urinary fumonisin B1 (UFB1) biomarker as a measure of fumonisin exposure a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::608e85fdf3e6f4c70e90f950b87b89f2
https://doi.org/10.1158/1055-9965.epi-10-1002

Determination of fumonisins in maize by HPLC with ultraviolet detection of o-phthaldialdehyde derivatives

Autor: Gordon S. Shephard, Liana van der Westhuizen, Ncediwe Ndube

Publikováno v: Mycotoxin Research. 25:225-228

Fumonisins are mycotoxins that are produced by various Fusarium species and occur naturally in maize and maize-based foods. Fumonisins are carcinogenic, causing liver cancer in rats, and are associated with oesophageal cancer and neural tube defects

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3d0a96c2fdcac1a9ee21cc100287e57
https://doi.org/10.1007/s12550-009-0031-1