assessment of genotoxicity of some common food preservatives using allium cepa l. as a test plant
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2014
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Abstract
Food preservatives play important role in today's food supplies that are used to prolong the self-life of products by protecting them from deterioration caused by micro-organisms. In this study, investigations were carried out to study the impacts of food preservatives like butylated hydroxytoluene, butylated hydroxyanisole, sorbic acid, propyl gallate and sodium nitrate. The effects of these preservatives at concentration of 1000 ppm, 1500 ppm, 2000 ppm, 2500 ppm for 4 h, 8 h and 16 h of exposure period were studied on the root tips of Allium cepa. Cytological studies revealed statistically significant (p < 0.05) inhibition in mitotic index with an increase in concentration of the food preservatives when compared with the control. Most frequent cytological abnormalities observed were bridges, multipolarity, C-mitosis, stickiness and cell death. The total percentages of abnormalities were also increased with increasing concentration and time duration. The abnormalities (%) in root system caused by used preservatives were recorded as butylated hydroxytoluene < butylated hydroxyanisole < sodium nitrate < sorbic acid < propyl gallate.
| Reference Key |
pandey2014toxicologyassessment
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|---|---|
| Authors | ;Himadri Pandey;Vikas Kumar;B.K. Roy |
| Journal | international journal of systematic and evolutionary microbiology |
| Year | 2014 |
| DOI |
10.1016/j.toxrep.2014.06.002
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