FUNGAL CONTAMINATION OF BUTTER STORED IN THE REFRIGERATOR

Chinyerum Gloria IKECHI-NWOGU

Abstract


Abstract

A study was carried out to investigate the contaminations of butter stored in the refrigerator. Black spores were found growing on the butter and when isolated and pure cultures made, the organism was identified as Aspergillus niger. It was observed that more Aspergillus niger was found on the butter with broken seal though stored in the refrigerator compare to the one with seal intact. From the results obtained, Aspergillus niger occurred in 4 plate from butter stored in the refrigerator without seal with a percentage of 80 while Butter stored in the refrigerator with seal intact after use had a percentage of 20. The study shows that butter is a good substrate for the growth of pathogenic fungus which is infectious and detrimental to human health because of the diseases this organism cause. The Aspergillus groups of fungi have potentials to contaminate foods and cause disease symptoms such as; fever, cough, chest pain and breathlessness. Usually, only patients with weakened immune systems or with other lung conditions are susceptible. Consumers are advised to retain the seal after usage and store.


Keywords


Butter, Fungus, Refrigerator

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