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(+)-Catechin and (-)-epigallocatechin gallate: are these promising antioxidant therapies for frozen goat semen?
Provedor de dados: 45
Autores: Silva,E.C.B.; Arruda,L.C.P.; Vieira,J.I.T.; Soares,P.C.; Guerra,M.M.P.
ABSTRACT The aim of this study was to evaluate the effects of different concentrations of (+)-catechin or (-)-epigallocatechin gallate (EGCG) on goat semen freezability. Poolsof semen were processed (Experiment 1: 0, 15, 25, 50, 75, or 100µM (+)-catechin; Experiment 2: 0, 15, 25, 50, 75, or 100µM EGCG) and frozen. After thawing, the samples were evaluated for kinematics, plasma membrane (PMi) and acrosome integrity, morphology, and oxidative stress, at 0 and 1h. In Experiment 1, at 0h, VSL and VAP were greater (P&lt;0.05) with 15µM than with 50 and 100; WOB was lower (P&lt;0.05) with 100µM than with 0, 15, and 25; and BCF was higher (P&lt;0.05) with 75 and 100µM than with 0. In turn, in Experiment 2, progressive motility was higher (P&lt;0.05) with0 and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antioxidants; Cryopreservation; Flavonoids; Oxidative stress; Semen.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000200521