期刊
FOOD CHEMISTRY
卷 129, 期 1, 页码 64-70出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2011.04.020
关键词
Rosemary oil; Rat testicular cells; H2O2; DMNQ; DNA-damage; Flow cytometry; Antioxidant enzymes
资金
- Slovak Agency VEGA [2/0072/09, 2/0177/11]
- APVV [0322-07]
Rosemary oil (RO) is popular in the Mediterranean region as a culinary additive which has the ability to protect delicate organs such as liver, brain and heart. We examined the effect of RD consumption on resistance of rat testicular cells (TCs) against DNA-damaging effects of the oxidative agents H2O2 and DMNQ and on the activity of the antioxidant enzymes glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD). DNA lesions were detected by conventional and modified comet assay and the activities of GSH-Px and SOD were measured spectrophotometrically. Since TCs represent a mixture of haploid, diploid and tetraploid cells, we used flow cytometry for their differentiation and calculation of DNA-damaging effects of H2O2 and DMNQ in cells of different ploidy. The results showed that the oxidative DNA lesions were significantly reduced in TCs from rats administered RO; however, the activity of antioxidant enzymes did not differ in TCs from control and RO-supplemented rats. (C) 2011 Elsevier Ltd. All rights reserved.
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