| Peer-Reviewed

Public Health Significance of Aflatoxin in Food Industry – A Review

Received: 14 September 2016    Accepted: 21 November 2016    Published: 23 November 2016
Views:       Downloads:
Abstract

Aflatoxins are a group of related fungal secondary metabolites primarily produced by the fungi, Aspergillus flavus and Aspergillus parasiticus. Aspergillus flavus and Aspergillus parasiticus colonize a wide variety of food commodities including maize, oilseeds, spices, groundnuts, tree nuts, milk, peanut and dried fruits. However, production of aflatoxin by these fungi depends on drought stress, rainfall, suitability of crop genotype for its climate, insect damage, agricultural practices and postharvest conditions (storage, transportation and food processing). Four major aflatoxins produced naturally are known as aflatoxin B1, B2, G1 and G2. Aflatoxin is both a food safety and public health issue because of its toxicity. When it is consumed, it can exert toxicity by altering intestinal integrity or modulate the expression of cytokins which can result to stunted growth in children and/or immune suppression. In the liver, aflatoxin may be transformed by certain p450 enzyme to its DNA reactive form Aflatoxin-8-9-epoxide which binds to liver proteins and lead to their failure, resulting in acute aflatoxicosis or it may bind to DNA, contributing to aflatoxin induced hepatocellular carcinoma (liver cancer). In high doses, aflatoxin can lead to acute liver cirrhosis and death in both human and animals. Aflatoxin exposure is linked to increased risk of liver cancer, immunesuppression, increased susceptibility to diseases such as HIV and malaria and possible compromised vaccine efficacy. Aflatoxin accumulation can be managed by primary interventions involving improved irrigation, use of fungicides, pesticides and insecticides, use of cereal strains resistant to fungal colonization, biocontrol by introduction of competitive non-aflatoxigenic strains of A. flavus and genetically modified crops that inhibit fungal colonization and improved storage conditions. Intervention strategies also encompass chemoprevention, using compounds that interfere with the absorption or metabolism of aflatoxins once ingested.

Published in European Journal of Clinical and Biomedical Sciences (Volume 2, Issue 5)
DOI 10.11648/j.ejcbs.20160205.14
Page(s) 51-58
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Aflatoxin, Public Health, Food, Aflatoxicosis, Hepatocellular Carcinoma

References
[1] Wu, F., Narrod, C., Tiongco, M. and Liu, Y. (2011). The health economics of Aflatoxin: global burden of Disease. Aflacontrol, 4: 1-14.
[2] Klich, M. A., Mullaney, E. J., Daly, C. B. and Cary, J. W. (2000). Molecular and physiological aspects of aflatoxin and sterigmatocystin biosynthesis by A. tamari and A. ochraceoroseus. Applied Microbiology and Biotechnology, 53: 605-609.
[3] Reddy, K. R. N., Salleh, B., Saad, B., Abbas, H. K. Abel, C. A. and Shier, W. T. (2010). An overview of mycotoxin contamination in foods and its implications for human health. Toxin Reviews, 29 (1): 3–26.
[4] Wild, C. P. and Gong, Y. Y. (2010). Mycotoxins and human disease: a largely ignored global health issue. Carcinogenesis 31:71-82.
[5] Wu, F., and Khlangwiset, P. (2010). Health economic impacts and cost-effectiveness of aflatoxin reduction strategies in Africa: Case studies in biocontrol and postharvest interventions. Food Additives and Contaminants 27:496-509.
[6] Guo, B., Widstrom, N. et al. (2000). Control of preharvest aflatoxin contamination in corn: Fungus-plant-insect interactions and control strategies. Recent Research Developments in Agricultural and Food Chemistry, 4: 165-176.
[7] Strosnider, H., Azziz-Baumgartner, E., Banziger, M., Bhat, R. V., Breiman, R., Brune, M., DeCock, K., Dilley, A., Groopman, J., Hell, K., Henry, S. H., Jeffers, D., Jolly, C., Jolly, P., Kibata, G. N., Lewis, L., Liu, X., Luber, G., McCoy, L., Mensah, P., Miraglia, M., Misore, A., Njapau, H., Ong, C., Onsongo, M. T. K., Page, S. W., Park, D., Patel, M., Phillips, T., Pineiro, M., Pronczuk, J., Schurz Rogers, H., Rubin, C., Sabino, M., Schaafsma, A., Shephard, G., Stroka, J., Wild, C., Williams, J. T. and Wilson, D. (2006). Workgroup Report: Public Health Strategies for Reducing Aflatoxin Exposure in Developing Countries. Environmental Health Perspectives, 114: 1889-1903.
[8] Shephard, G. S. (2008). Risk assessment of aflatoxins in food in Africa. Food Additives & Contaminants: Part A: Chemistry, Analysis, Control, Exposure & Risk Assessment 25, (10): 1246–1256.
[9] Williams, J. H., Phillips, T. D., Jolly, P. E., Stiles, J. K., Jolly, C. M. and Agarwal, D. (2004). Human aflatoxicosis in developing countries: a review of toxicology, exposure, potential health consequences, and interventions. American Journal of Clinical Nutrition, 80: 1106-1122.
[10] WHO (2008). World Health Statistics (2008). WHO Press, Geneva, http://www.who.int/whosis/whostat/EN_WHS08_Full.pdf.
[11] Parkin DM, Bray F, Ferlay J, Pisani P. Global cancer statistics, 2002. CA Cancer J Clin 2005; 55 (2): 74-108.
[12] Kirk, G. D., Bah, E. and Montesano, R. (2006). Molecular epidemiology of human liver cancer: Insights into etiology, pathogenesis and prevention from The Gambia. Carcinogenesis, 27: 2070-2082.
[13] Liu, Y. and Wu, F. (2010). Global Burden of Aflatoxin-Induced Hepatocellular Carcinoma: A Risk Assessment. Environmental Health Perspectives 118: 818-24.
[14] Groopman, J. D., Kensler, T. W. and Wild, C. P. (2008). Protective Interventions to Prevent Aflatoxin-Induced Carcinogenesis in Developing Countries. Annual Reviews in Public Health 29:187-203.
[15] Gong, Y., Hounsa, A. and Egal, S. (2004). Postweaning exposure to aflatoxin results in impaired child growth: a longitudinal study in Benin, West Africa. Environmental Health Perspective 112: 1334-38.
[16] Jolly, P., Jiang, Y., Ellis, W. O., Wang, J. S., Afriyie-Gyawu, E. and Phillips, T. D. (2008). Modulation of the human immune system by aflatoxin. In: Mycotoxins: Detection Methods, Management, Public Health and Agricultural Trade. Leslie, J. F.B. R. and Visconti, A. (ed). CAB International, Oxfordshire, UK., 41-52.
[17] Khlangwiset, P., Shephard, G. S. and Wu, F. (2011). Aflatoxins and growth impairment: a review. Critical Reviews in Toxicology, 41 (9):740-55.
[18] Magnussen, A. and Parsi, M. A. (2013). Aflatoxins, hepatocellular carcinoma and public health. World Journal of Gastroenterology, 19 (10): 1508-1512.
[19] Giezendanner, E. and Budd, B. (2012). Aflatoxin: In Search of One Health Solutions. North Carolina One Health Collaborative, 1-31.
[20] Olufunmilayo, G. O. and Oyefolu, A. B. (2010). Natural occurrence of aflatoxin residues in fresh and sun-dried meat in Nigeria. Pan African Medical Journal, 7: 14.
[21] Prandini, A., Tansini, G., Sigolo, S., Filippi, L., Laporta, M., and Piva, G. (2009). On the occurrence of aflatoxin M1 in milk and dairy products. Food Chemical Toxicology. 47 (5): 984-991.
[22] Pandey, I. and Chauhan, S. S. (2007). Studies on production performance and toxin residues in tissues and eggs of layer chickens fed on diets with various concentrations of aflatoxin AFB1. British Poultry Science, 48 (6): 713-723.
[23] Wu, F (2010). The global burden of disease caused by foodborne aflatoxin. WHO Commissioned Report, Foodborne Di sease Burden Epidemiology Reference Group (FERG).
[24] Soini, Y., Chia, S. C., Bennett, W. P., Groopman, J. D., Wang, J. S., DeBenedetti,,V. M., Cawley, H., Welsh, J. A., Hansen, C., Bergasa, N. V., Jones, E. A., DiBisceglie, A. M., Trivers, G. E., Sandoval, C. A., Calderon, I. E., Munoz Espinosa, L. E. and Harris, C. C. (1996). An aflatoxin-associated mutational hotspot at codon 249 in the p53 tumor suppressor gene occurs in hepatocellular carcinomas from Mexico. Carcinogenesis 17: 1007-1012.
[25] Mahoud, B. (2001). Aflatoxin and kwashiorkor. Acta Paediatrics, 90: 103.
[26] Azziz-Baumgartner, E., Lindblade, K., Gieseker, K., Schurz Rogers, H., Kieszak, S., Njapau, H., Schleicher, R., McCoy, L. F., Misore, A., DeCock, K., Rubin, C. and Slutsker, L. (2005). Aflatoxin Investigative Group (2005). Case-Control Study of an Acute Aflatoxicosis Outbreak, Kenya, 2004. Environmental Health Perspectives 113: 1779-1783.
[27] Probst, C., Njapau, H. and Cotty, P (2007). Outbreak of an Acute Aflatoxicocosis in Kenya in 2004: Identification of the Causal Agent. Applied and Environmental Microbiology, 2762-2764.
[28] Lewis, L., Onsongo, M., Njapau, H., Schurz-Rogers, H., Luber, G., Kieszak, S., Nyamongo, J., Backer, L., Dahive, A., Misore, A., DeCock, K., Rubin, C. and the Kenya Aflatoxicosis Investigation Group (2005). Aflatoxin Contamination of Commercial Maize Products during an Outbreak of Acute Aflatoxicosis in Eastern and Central Kenya. Environmental Health Perspective, 113 (12): 1763–1767.
[29] Gong Y, Turner PC, Hall AJ, CP W. 2008. Aflatoxin exposure and impaired child growth in West Africa: An unexplored international public health burden? In: Mycotoxins: Detection Methods, Management, Public Health and Agricultural Trade, (Leslie JF, Bandyopadhyay R, Visconti A, eds). Oxfordshire, UK: CAB International, 53-65.
[30] Turner, P. C., Moore, S. E., Hall, A. J., Prentice, A. M., Wild, C. P. (2003). Modification of immune function through exposure to dietary aflatoxin in Gambian children. Environmental Health Perspective 111 (2): 217-220.
[31] Jiang, Y., Jolly, P., Ellis, W. O., Wang, J. S., Phillips, T. D. and Williams, J. H. (2005). Aflatoxin B1 albumin adduct levels and cellular immune status in Ghanaians. International Immunology 17 (6): 807-814.
[32] Jiang, Y., Jolly, P., Preko, P., Wang, J. S., Ellis, W. O., and Phillips, T. D. (2008). Aflatoxin-related immune dysfunction in health and in human immunodeficiency virus disease. Clinical Development in Immunology, 1-12.
[33] Lubulwa, A. S. G. and Davis, J. S. (1998). Estimating the social costs of the impacts of fungi and aflatoxins in maize and peanuts. Proceedings of the 6th International Working Conference on Stored-Product Protection, Volume 2.
[34] Bankole, S. and Adebanjo, A. (2003). Mycotoxin in food in West Africa: current situation and possibilities of controlling it. African Journal of Biotechnology, 2 (9): 254-263.
[35] Lawley, R. (2007). Aflatoxins. Food Safety Watch. N.p., http://www.foodsafetywatch.com/public/482.cfm Accessed 6 May, 2014.
[36] Khlangwiset, P. and Wu, F. (2010). Costs and efficacy of public health interventions to reduce aflatoxin-induced human disease. Food Addit Contam Part A Chem Anal Control Expo Risk Assess, 27 (7): 998-1014.
[37] Plymoth, A., Viviani, S., Hainaut, P. (2009). Control of hepatocellular carcinoma through hepatitis B vaccination in areas of high endemicity: perspectives for global liver cancer prevention. Cancer Letter, 286: 15-21.
[38] Kensler, T. W., Roebuck, B. D., Wogan, G. N. and Groopman, J. D. (2010). Aflatoxin: a 50-year odyssey of mechanistic and translational toxicology. Toxicology Science, 120 (1): 28-48.
[39] Afriyie-Gyawu, E., Wang, Z., Ankrah, N. A., Xu, L., Johnson, N. M., Tang, L., Guan, H., Huebner, H. J., Jolly, P. E., Ellis, W. O., Taylor, R., Brattin, B., Ofori-Adjei, D., Williams, J. H., Wang, J. S. and Phillips, T. D. (2008). NovaSil clay does not affect the concentrations of vitamins A and E and nutrient minerals in serum samples from Ghanaians at high risk for aflatoxicosis. Food Additive Contamination Part A Chemical Anall Control Exposure Risk Assess, 25 (7): 872-84.
[40] Marroquín-Cardona, A., Deng, Y., Garcia-Mazcorro, J., Johnson, N. M., Mitchell, N., Tang, L., Robinson, A. 2nd, Taylor, J., Wang, J. S. and Phillips, T. D. (2011). Characterization and Safety of Uniform Particle Size NovaSil Clay as a Potential Aflatoxin Enterosorbent. Applied Clay Science, 54 (3-4): 248-257.
[41] U.S. Food and Drug Administration (2000). Guidance for Industry: Action Levels for Poisonous or Deleterious Substances in Human Food and Animal Feed. http://www.fda.gov/Food/GuidanceComplianceRegulatoryInformation/GuidanceDocuments/ChemicalContaminantsandPesticides/ucm077969.htm. Accessed July, 4, 2014.
[42] European Union (2006). Commission Regulation (EC) No 1881/2006 of 19 December 2006 setting maximum levels for certain contaminants in foodstuffs. http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CONSLEG:2006R1881:20100701:EN:HTML, Accessed July, 2014.
[43] Takumi, Y. (2006). Mycotoxins and Food Safety Current Situation of Food Contamination, Regulations and Risk Assessment for Mycotoxins. Foods and Food Ingredient Journal of Japan, 211-212.
[44] Wagacha, J. M. and Muthomi, J. W. (2008). Mycotoxin problem in Africa: current status, implications to food safety and health and possible management strategies. International Journal of Food Microbiology, 124 (1): 1-12.
Cite This Article
  • APA Style

    Alloysius Chibuike Ogodo, Ositadinma Chinyere Ugbogu. (2016). Public Health Significance of Aflatoxin in Food Industry – A Review. European Journal of Clinical and Biomedical Sciences, 2(5), 51-58. https://doi.org/10.11648/j.ejcbs.20160205.14

    Copy | Download

    ACS Style

    Alloysius Chibuike Ogodo; Ositadinma Chinyere Ugbogu. Public Health Significance of Aflatoxin in Food Industry – A Review. Eur. J. Clin. Biomed. Sci. 2016, 2(5), 51-58. doi: 10.11648/j.ejcbs.20160205.14

    Copy | Download

    AMA Style

    Alloysius Chibuike Ogodo, Ositadinma Chinyere Ugbogu. Public Health Significance of Aflatoxin in Food Industry – A Review. Eur J Clin Biomed Sci. 2016;2(5):51-58. doi: 10.11648/j.ejcbs.20160205.14

    Copy | Download

  • @article{10.11648/j.ejcbs.20160205.14,
      author = {Alloysius Chibuike Ogodo and Ositadinma Chinyere Ugbogu},
      title = {Public Health Significance of Aflatoxin in Food Industry – A Review},
      journal = {European Journal of Clinical and Biomedical Sciences},
      volume = {2},
      number = {5},
      pages = {51-58},
      doi = {10.11648/j.ejcbs.20160205.14},
      url = {https://doi.org/10.11648/j.ejcbs.20160205.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ejcbs.20160205.14},
      abstract = {Aflatoxins are a group of related fungal secondary metabolites primarily produced by the fungi, Aspergillus flavus and Aspergillus parasiticus. Aspergillus flavus and Aspergillus parasiticus colonize a wide variety of food commodities including maize, oilseeds, spices, groundnuts, tree nuts, milk, peanut and dried fruits. However, production of aflatoxin by these fungi depends on drought stress, rainfall, suitability of crop genotype for its climate, insect damage, agricultural practices and postharvest conditions (storage, transportation and food processing). Four major aflatoxins produced naturally are known as aflatoxin B1, B2, G1 and G2. Aflatoxin is both a food safety and public health issue because of its toxicity. When it is consumed, it can exert toxicity by altering intestinal integrity or modulate the expression of cytokins which can result to stunted growth in children and/or immune suppression. In the liver, aflatoxin may be transformed by certain p450 enzyme to its DNA reactive form Aflatoxin-8-9-epoxide which binds to liver proteins and lead to their failure, resulting in acute aflatoxicosis or it may bind to DNA, contributing to aflatoxin induced hepatocellular carcinoma (liver cancer). In high doses, aflatoxin can lead to acute liver cirrhosis and death in both human and animals. Aflatoxin exposure is linked to increased risk of liver cancer, immunesuppression, increased susceptibility to diseases such as HIV and malaria and possible compromised vaccine efficacy. Aflatoxin accumulation can be managed by primary interventions involving improved irrigation, use of fungicides, pesticides and insecticides, use of cereal strains resistant to fungal colonization, biocontrol by introduction of competitive non-aflatoxigenic strains of A. flavus and genetically modified crops that inhibit fungal colonization and improved storage conditions. Intervention strategies also encompass chemoprevention, using compounds that interfere with the absorption or metabolism of aflatoxins once ingested.},
     year = {2016}
    }
    

    Copy | Download

  • TY  - JOUR
    T1  - Public Health Significance of Aflatoxin in Food Industry – A Review
    AU  - Alloysius Chibuike Ogodo
    AU  - Ositadinma Chinyere Ugbogu
    Y1  - 2016/11/23
    PY  - 2016
    N1  - https://doi.org/10.11648/j.ejcbs.20160205.14
    DO  - 10.11648/j.ejcbs.20160205.14
    T2  - European Journal of Clinical and Biomedical Sciences
    JF  - European Journal of Clinical and Biomedical Sciences
    JO  - European Journal of Clinical and Biomedical Sciences
    SP  - 51
    EP  - 58
    PB  - Science Publishing Group
    SN  - 2575-5005
    UR  - https://doi.org/10.11648/j.ejcbs.20160205.14
    AB  - Aflatoxins are a group of related fungal secondary metabolites primarily produced by the fungi, Aspergillus flavus and Aspergillus parasiticus. Aspergillus flavus and Aspergillus parasiticus colonize a wide variety of food commodities including maize, oilseeds, spices, groundnuts, tree nuts, milk, peanut and dried fruits. However, production of aflatoxin by these fungi depends on drought stress, rainfall, suitability of crop genotype for its climate, insect damage, agricultural practices and postharvest conditions (storage, transportation and food processing). Four major aflatoxins produced naturally are known as aflatoxin B1, B2, G1 and G2. Aflatoxin is both a food safety and public health issue because of its toxicity. When it is consumed, it can exert toxicity by altering intestinal integrity or modulate the expression of cytokins which can result to stunted growth in children and/or immune suppression. In the liver, aflatoxin may be transformed by certain p450 enzyme to its DNA reactive form Aflatoxin-8-9-epoxide which binds to liver proteins and lead to their failure, resulting in acute aflatoxicosis or it may bind to DNA, contributing to aflatoxin induced hepatocellular carcinoma (liver cancer). In high doses, aflatoxin can lead to acute liver cirrhosis and death in both human and animals. Aflatoxin exposure is linked to increased risk of liver cancer, immunesuppression, increased susceptibility to diseases such as HIV and malaria and possible compromised vaccine efficacy. Aflatoxin accumulation can be managed by primary interventions involving improved irrigation, use of fungicides, pesticides and insecticides, use of cereal strains resistant to fungal colonization, biocontrol by introduction of competitive non-aflatoxigenic strains of A. flavus and genetically modified crops that inhibit fungal colonization and improved storage conditions. Intervention strategies also encompass chemoprevention, using compounds that interfere with the absorption or metabolism of aflatoxins once ingested.
    VL  - 2
    IS  - 5
    ER  - 

    Copy | Download

Author Information
  • Department of Microbiology, Faculty of Pure and Applied Sciences, Federal University, Wukari, Nigeria

  • Department of Microbiology, Faculty of Pure and Applied Sciences, Federal University, Wukari, Nigeria; Depaertment of Microbiology, Faculty of Biological and Physical Sciences, Abia State University, Uturu, Nigeria

  • Sections