Search Results - "Shephard, Gordon S"

Aflatoxin analysis at the beginning of the twenty-first century by Shephard, Gordon S

“…Aflatoxin mycotoxins were first described in the early 1960s as important fungal toxins, which contaminate many different human foods and animal feeds…”
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Multiple mycotoxin exposure determined by urinary biomarkers in rural subsistence farmers in the former Transkei, South Africa by Shephard, Gordon S., Burger, Hester-Mari, Gambacorta, Lucia, Gong, Yun Yun, Krska, Rudolf, Rheeder, John P., Solfrizzo, Michele, Srey, Chou, Sulyok, Michael, Visconti, Angelo, Warth, Benedikt, van der Westhuizen, Liana

“…•Demonstrated the use of multi-biomarker methods in measuring exposure in communities in which dietary analysis is difficult.•This is the first finding of…”
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The Mycotox Charter: Increasing Awareness of, and Concerted Action for, Minimizing Mycotoxin Exposure Worldwide by Logrieco, Antonio F, Miller, J David, Eskola, Mari, Krska, Rudolf, Ayalew, Amare, Bandyopadhyay, Ranajit, Battilani, Paola, Bhatnagar, Deepak, Chulze, Sofia, De Saeger, Sarah, Li, Peiwu, Perrone, Giancarlo, Poapolathep, Amnart, Rahayu, Endang S, Shephard, Gordon S, Stepman, François, Zhang, Hao, Leslie, John F

“…Mycotoxins are major food contaminants affecting global food security, especially in low and middle-income countries. The European Union (EU) funded project,…”
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Fumonisin B1 as a Urinary Biomarker of Exposure in a Maize Intervention Study Among South African Subsistence Farmers by VAN DER WESTHUIZEN, Liana, SHEPHARD, Gordon S, BURGER, Hester M, RHEEDER, John P, GELDERBLOM, Wentzel C. A, WILD, Christopher P, YUN YUN GONG

“…The consumption of maize highly contaminated with carcinogenic fumonisins has been linked to high oesophageal cancer rates. The aim of this study was to…”
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Aflatoxins and growth impairment: A review by Khlangwiset, Pornsri, Shephard, Gordon S., Wu, Felicia

“…Aflatoxins, fungal toxins produced by Aspergillus flavus and Aspergillus parasiticus in a variety of food crops, are well known as potent human…”
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Current Status of Mycotoxin Analysis: A Critical Review by Shephard, Gordon S

“…It is over 50 years since the discovery of aflatoxins focused the attention of food safety specialists on fungal toxins in the feed and food supply. Since…”
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Mycotoxin Crises: Fit-for-Purpose Analytical Responses in the Developing World by Shephard, Gordon S

“…In developed market economies, control of mycotoxin exposure in the general population is achieved by legislated regulations governing maximum permitted…”
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Chromatographic determination of the mycotoxin patulin in fruit and fruit juices by Shephard, Gordon S, Leggott, Norma L

“…Patulin is a mycotoxin produced by several fungal species of the genera Penicillium and Aspergillus, but principally by Penicillium expansum on fruit such as…”
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Mycotoxins produced by Fusarium proliferatum and F. pseudonygamai on maize, sorghum and pearl millet grains in vitro by Vismer, Hester F., Shephard, Gordon S., van der Westhuizen, Liana, Mngqawa, Pamella, Bushula-Njah, Vuyiswa, Leslie, John F.

“…Maize (Zea mays), sorghum (Sorghum bicolor) and pearl millet (Pennisetum glaucum) are basic staple foods for many rural or poorer communities. These crops are…”
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Patulin in South African commercial apple products by Leggott, Norma L, Shephard, Gordon S

“…A survey on the presence of the mycotoxin, patulin, was conducted from 1996 to 1998 on sixty locally produced commercial apple products purchased from retail…”
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Worldwide survey of fumonisin contamination of corn and corn-based products by Shephard, G.S. (Medical Research Council, Tygerberg, South Africa.), Thiel, P.G, Stockenstrom, S, Sydenham, E.W

“…As part of a comprehensive risk assessment study for fumonisins, reliable data on exposure of populations to these dietary toxins must be obtained. To assess…”
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Natural Occurrence of Fumonisins in Corn from Iran by Shephard, Gordon S, Marasas, Walter F. O, Leggott, Norma L, Yazdanpanah, Hassan, Rahimian, Heshmatollah, Safavi, Navid

“…Corn collected in the Mazandaran and Isfahan Provinces of Iran was analyzed for fumonisin B1 (FB1), fumonisin B2 (FB2), and fumonisin B3 (FB3). The samples…”
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Risk assessment of aflatoxins in food in Africa by Shephard, Gordon S.

“…Aflatoxins are secondary metabolites of the fungi Aspergillus flavus and A. parasiticus, occur widely on many staple foods and cause a broad range of…”
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Traditionally Processed Beverages in Africa: A Review of the Mycotoxin Occurrence Patterns and Exposure Assessment by Ezekiel, Chibundu N., Ayeni, Kolawole I., Misihairabgwi, Jane M., Somorin, Yinka M., Chibuzor‐Onyema, Ihuoma E., Oyedele, Oluwawapelumi A., Abia, Wilfred A., Sulyok, Michael, Shephard, Gordon S., Krska, Rudolf

“…African traditional beverages are widely consumed food‐grade liquids processed from single or mixed grains (mostly cereals) by simple food processing…”
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Mycotoxigenic Fusarium species associated with grain crops in South Africa – a review by Rose, Lindy J., Viljoen, Altus, Shephard, Gordon S., Flett, Bradley C., Beukes, Ilze

“…Cereal grains include some of the most important crops grown in South Africa and play a major role in the local economy. Maize, wheat and sorghum are…”
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Mycological Analysis and Multimycotoxins in Maize from Rural Subsistence Farmers in the Former Transkei, South Africa by Shephard, Gordon S, Burger, Hester-Mari, Gambacorta, Lucia, Krska, Rudolf, Powers, Stephen P, Rheeder, John P, Solfrizzo, Michele, Sulyok, Michael, Visconti, Angelo, Warth, Benedikt, van der Westhuizen, Liana

“…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…”
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HPLC determination of fumonisin mycotoxins in maize: A comparative study of naphthalene-2,3-dicarboxaldehyde and o-phthaldialdehyde derivatization reagents for fluorescence and diode array detection by Ndube, Ncediwe, van der Westhuizen, Liana, Green, Ivan R., Shephard, Gordon S.

“…Fumonisins are mycotoxins produced by various species of Fusarium and occur naturally in contaminated maize and maize-based foods. Ingestion of fumonisins has…”
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Relative severity of fumonisin contamination of cereal crops in West Africa by Vismer, Hester F, Shephard, Gordon S, Rheeder, John P, van der Westhuizen, Liana, Bandyopadhyay, Ranajit

“…Traditional and improved varieties of maize, pearl millet and sorghum were planted by small-scale farmers under the direction of the International Institute…”
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Natural occurrence of some Fusarium mycotoxins in corn from low and high esophageal cancer prevalence areas of the Transkei, Southern Africa by Sydenham, Eric W, Thiel, Pieter G, Marasas, Walter F. O, Shephard, Gordon S, Van Schalkwyk, Dirk J, Koch, Klaus R

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Fumonisin contamination of commercial corn-based human foodstuffs by Sydenham, Eric W, Shephard, Gordon S, Thiel, Pieter G, Marasas, Walter F. O, Stockenstrom, Sonja

“…Corn-based human foodstuffs from retail outlets in five countries were analyzed for fumonisin B1 (FB1) and fumonisin B2 (FB2). The highest mean concentrations…”
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