Fungi and mycotoxins in stored foods

At,; Pessu, P.O.; Agoda, S; Isong, I U; Adekalu, O. A.; Echendu, M A; Falade, T C

doi:10.5897/ajmr11.487

Cited by 73 publications

(54 citation statements)

References 19 publications

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“…The second, aflatoxin contamintion can occur during the storage and transportation. Atanda (2011) reports that environmental conditions related to storage, climate or intrinsic factors such as fungal strain specificity, strain variation, and instability of toxigenic properties could influence the presence of mycotoxins in feeds. The increased aflatoxin contaamination is an accumulation of aflatoxin contaminants from harvest to storage.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Aflatoxin B1 Contamination Correlation with Aspergillus flavus in Animal Feed Raw Materials Imported through the Port of Tanjung Perak Surabaya, Indonesia

Arios¹,

Indrawati²,

Pamungkas³

2017

Int. J. Curr. Res. Biosci. Plant Biol.

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A b s t r a c t A r t i c l e I n f oThis study aimed to measure the incidence rate of aflatoxin B1 contamination in feed raw materials (MBM and PPM) imported through Port of Tanjung Perak Surabaya, and its relation to the growth of the fungi that produce it. ELISA (Enzyme Linked Immunosorbent Assay) competitive was conducted to identify Aflatoxin B1 and followed by HPLC (High Performance Liquid Chromatography). Fungal identification was conducted as a macroscopic and microscopic observation. ELISA test showed 55 of 84 (55.95%) samples were positive for aflatoxin B1 contamination, while 3 of 7 (42.85%) samples tested by HPLC were positive. The result of fungal identification showed 1 of 12 samples positive Aspergillus flavus, and others types of fungi. AFB1 contamination in animal feed raw materials is likely to have occurred in the country of origin, whereas the growth of the fungus is due to the level of humidity and temperature during the transportation and storage process.

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Section: Discussionmentioning

confidence: 99%

“…and Mucor spp. (Atanda et al, 2011). Mold contamination can cause health problems such as mycosis for animals.…”

Section: Introductionmentioning

confidence: 99%

Aflatoxin B1 Contamination Correlation with Aspergillus flavus in Animal Feed Raw Materials Imported through the Port of Tanjung Perak Surabaya, Indonesia

Arios¹,

Indrawati²,

Pamungkas³

2017

Int. J. Curr. Res. Biosci. Plant Biol.

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“…The fact that soya bean is cultivated during the rainy season which promote fungal growth could be another contributory factor. Also, the occurrence of high incidences of Aspergillus and Fusarium species could be attributed to poor storage practices, since most species of the genera are mainly storage fungi [7] [32].…”

Section: Discussionmentioning

confidence: 99%

“…There are reports of mycotoxin contamination of many food commodities [7] [8] [9] including seeds and legumes [10] [11] [12], which soya bean belongs to. These mycotoxins are known to have very adverse health effects including carcinogenic, immunosuppressive, mutagenic and cytotoxic effects [4] [13].…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Mycotoxigenic Fungi and Mycotoxins Contaminating Soya Bean Seeds and Processed Soya Bean from Nigerian Markets

Egbuta¹,

Mwanza²,

Phoku³

et al. 2016

AiM

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Concern for food safety has continued to grow worldwide including the issue of mycotoxin contamination of food products from farm to fork. In this regard, soya bean seeds and processed soya bean powder bought from some Nigerian markets were screened for fungal and mycotoxin contamination. Fungal identification was done by both conventional and molecular methods after samples were cultured on potato dextrose agar (PDA), ohio agricultural experimental station agar (OAESA), malt extract agar (MEA) and czapek yeast agar (CYA). Mycotoxin analysis by thin layer chromatography and high performance liquid chromatography was done after extraction and clean-up by multi-mycotoxin extraction procedure and solid phase extraction (SPE) isolute strong ion exchange (SAX) columns. Results from the analysis showed that soya bean seeds had higher incidences of fungal species such as Alternaria (52.4%) and Aspergillus flavus (42.9%). Mycotoxins detected include aflatoxins, ochratoxin A and fumonisin B with highest concentration of 3.430 µg/g, 0.125 µg/g and 4.286 µg/g respectively, which were below regulatory limits. The study showed that there was co-occurrence of aflatoxins and fumonisin B 1 in both sample types and though these values are low, should not be ignored as a result of health risks associated with exposure to these compounds.

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“…Aflatoxins, ochratoxins, zearelenone, deoxynivarenol, fumonisins, trichothecenes and tremogenics toxins are major mycotoxins of great health and economic importance (Pitt, 2000;Atanda et al, 2011). Their presence in food in notably high levels is capable of causing chronic and acute toxic effects in both animals and humans (Milicevic et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Determination of Ochratoxin A in Selected Cereal Grains Retailed in Nairobi County, Kenya

Karoki¹,

Njue²,

Swaleh³

et al. 2018

JFR

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Ochratoxin A (OTA) belongs to a group of mycotoxins which are a key threat to quality of cereals based foodstuff. Mycotoxins are toxic, carcinogenic, nephrotoxic, neurotoxic and immunotoxic secondary metabolites of certain molds occurring in crop produce and their products. OTA occurs naturally in majority of foodstuffs such as coffee, cereal grains and beverages. The aim of the study was to determine the levels of OTA in cereal grains sampled from various market outlets in Nairobi County, Kenya. The levels of OTA were determined from 27 samples of finger millet (Eleusine coracana), wheat (Triticum aestivum) and sorghum (Sorghum bicolor) grains. The levels of OTA in grains was determined by High Performance Liquid Chromatography (HPLC). The results indicated that wheat grains recorded the highest contamination (2.1478±0.3061 ng/g) followed by sorghum (1.0311±0.0635 ng/g), while finger millet recorded the lowest levels (0.6918±0.0315 ng/g). Cereal samples from Gikomba outlet had a higher contamination (1.1750±0.0353 -3.8147±0.4317 µg kg ). OTA levels in samples from Nyamakima outlet were below the detection limit of HPLC (0.03 µg/L). Though levels are lower than maximum allowable limits for OTA in cereals in the European Union (5 µg/kg) and United Kingdom (10 µg/kg), chronic exposure can have serious health risk. The study provides baseline data on the levels of OTA in finger millet, sorghum and wheat grains retailed in Nairobi County, Kenya. The information creates awareness on the potential health risk associated with chronic exposure to OTA from cereals.

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Fungi and mycotoxins in stored foods

Cited by 73 publications

References 19 publications

Aflatoxin B1 Contamination Correlation with Aspergillus flavus in Animal Feed Raw Materials Imported through the Port of Tanjung Perak Surabaya, Indonesia

Aflatoxin B1 Contamination Correlation with Aspergillus flavus in Animal Feed Raw Materials Imported through the Port of Tanjung Perak Surabaya, Indonesia

Comparative Analysis of Mycotoxigenic Fungi and Mycotoxins Contaminating Soya Bean Seeds and Processed Soya Bean from Nigerian Markets

Determination of Ochratoxin A in Selected Cereal Grains Retailed in Nairobi County, Kenya

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