期刊
THERIOGENOLOGY
卷 77, 期 8, 页码 1722-1726出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.theriogenology.2011.11.023
关键词
Sperm cryopreservation; Flavonoids; Polyphenols; Semen; Sheep
资金
- Fundacao de Amparo a ciencia e tecnologia do Estado de Pernambuco (FACEPE)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- pharmacist Jarisson Diogenes Guilherme da Rocha Martins
- A Formula pharmacy
The objective was to assess the effects of the antioxidants resveratrol and quercetin on frozen-thawed ram sperm. Semen samples (which exceeded minimum standards) from four mature crossbreed Santa Ines rams were pooled and aliquots of each pool were diluted in Tris-egg yolk-glycerol, with the addition of 0, 5, 10, 15, and 20 mu g/mL of resveratrol and quercetin in Experiment 1 and Experiment 2, respectively. In Experiment 1, the proportion of sperm with a high mitochondrial membrane potential was greater (P < 0.02) in the control group than in resveratrol 20 mu g/mL group. In Experiment 2, the proportion of sperm with high mitochondrial membrane potential was greater in the control group (P < 0.0001) than in the other experimental groups, and greater in the quercetin 5 mu g/mL group (P < 0.05) than in the other quercetin-treated groups. Thus, addition of 5 to 20 mu g/mL of either resveratrol or quercetin to the Tris-egg yolk-glycerol extender reduced sperm mitochondrial membrane potential. (C) 2012 Elsevier Inc. All rights reserved.
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