Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Tab 2

Research Article

Protective Effect of Free and Bound Polyphenol Extracts from Ginger (Zingiber officinale Roscoe) on the Hepatic Antioxidant and Some Carbohydrate Metabolizing Enzymes of Streptozotocin-Induced Diabetic Rats

Table 2

Effect of administration of polyphenols from Z. officinale on antioxidant enzymes’ activities in the liver of normal and streptozotocin-diabetic rats.

GroupU/mg protein

Normal control65.20 ± 2.89a33.60 ± 1.73a51.63 ± 2.75a16.21 ± 1.16a
Diabetic control 11.25 ± 1.16b7.83 ± 1.21b19.63 ±1.24b28.74 ± 2.67b
Diabetic + free34.56 ± 2.31c24.35 ± 2.17c25.47 ± 1.68b23.37 ± 1.19b
Diabetic + bound21.27 ± 1.83d18.53 ± 1.17d23.75 ± 2.76b25.46 ± 1.70b
Diabetic + GBN40.42 ± 1.76c25.45 ± 1.29c35.20 ± 1.79c20.26 ± 1.12c

Values are mean ± S.E.M. of 8 rats. Test values down the vertical columns carrying different superscripts for each parameter are significantly different (P < 0.05). CAT: catalase, SOD: superoxide dismutase, GPx: glutathione peroxidase, GSH: reduced glutathione.

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