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Table 2 The effect of different doses of the grape extract on sperm viability (mean ± SD)

From: Antioxidant effect of a polyphenol-rich grape pomace extract on motility, viability and lipid peroxidation of thawed bovine spermatozoa

Time (hours) Extract (μg ml −1) Alive spermatozoa-intact acrosome (%)
0 0 81.0 ± 2.4
  1 77.0 ± 3.0
  2 82.0 ± 1.8
  5 79.0 ± 3.2
2 0 49.0 ± 2.5a
  1 48.0 ± 1.8a
  2 54.5 ± 1.5b
  5 55.6 ± 1.5b
4 0 39.5 ± 2.9
  1 39.0 ± 5.4
  2 37.3 ± 2.6
  5 47.4 ± 13.5
  1. Different letters in each column indicate statistically significant difference between the treatments within each given time point (p <0.05, n = 4).