Agricultural and Biological Sciences Journal
Articles Information
Agricultural and Biological Sciences Journal, Vol.2, No.2, Apr. 2016, Pub. Date: Mar. 18, 2016
Fungal Contamination and Nutritional Status of Dried Hide Skin (“Eha”) During Storage
Pages: 22-27 Views: 1633 Downloads: 1387
Authors
[01] Emmanuel Dayo Fagbohun, Department of Microbiology, Ekiti State University, Ado Ekiti, Ekiti State, Nigeria.
[02] Olusola Adeoye Oluwole, Department of Microbiology, Ekiti State University, Ado Ekiti, Ekiti State, Nigeria.
[03] Opeyemi Uwangbaoje Lawal, Department of Biological Sciences, Evangel University Akaeze, Abakaliki, Ebonyi State, Nigeria.
Abstract
This study was carried out to assess the fungal contamination and nutritional status of dried hide skin (“Eha”) during twenty four weeks of storage. Dried hide skin were purchased randomly from selected selling points at Oja-Bisi market located situated at Ado Ekiti, Ekiti State, Nigeria. They were stored for the period of twenty four weeks (six months). The minerals and proximate analysis of the samples were carried out at four weeks intervals while the mycobiota was isolated using direct plating, washing and dilution method. The associated fungal species were identified using standard methods. The aflatoxin extraction, quantitative and qualitative determination was carried out as previously described while the results were analysed using Duncan multiple range test. The proximate analyses showed that the ash, fat, fibre and carbohydrate content decreased while crude protein and moisture content increased during the period of storage. The mineral composition of the samples during the twenty four weeks of storage showed that all the minerals decreased except for Pb and Ca which were not detected. Four fungal species belonging to one genus was found to be associated with the stored dried hide skin from the markets sites. The fungal species were Aspergillus flavus, A. niger, A. versicolor and A. tamari. A. flavus was found to produce Aflatoxin B1 and B2 of 200 µg/kg. This study showed that dried hide skin (“Eha”) sold at Oja-Bisi market were contaminated with species of Aspergillus and were able to producing aflatoxins that poses great risk on the health of the consumers. Strict hygiene, constant microbial contamination investigation, good storage conditions and enlightenment programmes for meat sellers and consumers will reduce the environmental contamination and the risk to human health.
Keywords
Aflatoxins, “Eha”, Minerals, Proximate, Mycobiota
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