PRESENCE OF NITRITES, NITRATES, NITROSAMINES IN THE EGGS OF INTENSIVELY RAISED LAYERS IN ABEOKUTA, NIGERIA.Funmilola Clara Thomas, Oluseyi Sehinde Aduloju, Babatunde Samuel Okediran, Eyitayo Solomon Ajibola, Emmanuel Ndubisis Maduagwu.
Nitrosamines are highly toxic and carcinogenic group of chemicals that have the potential to be formed in the body through a process called nitrosation, when nitrosating agents such as nitrates and nitrites, react under acidic and /or high temperature conditions with nitrosable substrates for example secondary amines. In the present study, the presence and concentrations of nitrosamines and their precursors; nitrate and nitrites in raw table eggs obtained from four layer-farms in Abeokuta, were analysed. Egg yolk and albumen were assayed separately based on spectrophotometric methods and means of each compound from separate farms presented in bar chart format. Nitrates, nitrites and nitrosamines were detected in all the egg samples, occurring in both the albumen and yolk. On the average, nitrates and nitrites levels were higher in the yolk than in the albumen. There were no significant correlations between the levels of nitrosamines and the other two compounds. These findings represents a significant observation as presence of any of the above compounds could constitute potential hazards to human and animal health.
Carcinogenesis, eggs, layers, nitrates, nitrites, nitrosamines