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Research Article

Antioxidant Activities of Ethanol Extracts of Hypericum triquetrifolium. and Hypericum scabroides.

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Pages 231-242 | Accepted 04 Sep 2007, Published online: 07 Oct 2008

Figures & data

Figure 1 Scavenging effect of ethanol extracts of HS and HT on 1,1-diphenyl-2-picrylhydrazyl radicals. Each value is expressed as mean ± SD (n = 3).

Figure 1 Scavenging effect of ethanol extracts of HS and HT on 1,1-diphenyl-2-picrylhydrazyl radicals. Each value is expressed as mean ± SD (n = 3).

Figure 2 Reducing power of ethanol extracts of HS and HT. Each value is expressed as mean ± SD (n = 3).

Figure 2 Reducing power of ethanol extracts of HS and HT. Each value is expressed as mean ± SD (n = 3).

Figure 3 Chelating effect of ethanol extracts of HS, HT, and EDTA. Each value is expressed as mean ± SD (n = 3).

Figure 3 Chelating effect of ethanol extracts of HS, HT, and EDTA. Each value is expressed as mean ± SD (n = 3).

Figure 4 Effect of ethanol extracts of HS and HT on deoxyribose degradation assay. Each value is expressed as mean ± SD (n = 3).

Figure 4 Effect of ethanol extracts of HS and HT on deoxyribose degradation assay. Each value is expressed as mean ± SD (n = 3).

Figure 5 Absorbance value of ethanol extracts HS and HL in the linoleic acid emulsion using FTC method. Each value is expressed as mean ± SD (n = 3).

Figure 5 Absorbance value of ethanol extracts HS and HL in the linoleic acid emulsion using FTC method. Each value is expressed as mean ± SD (n = 3).

Figure 6 The total antioxidant activity of ethanol extracts of HS and HT by using FTC and TBA method. Each value is expressed as mean ± SD (n = 3).

Figure 6 The total antioxidant activity of ethanol extracts of HS and HT by using FTC and TBA method. Each value is expressed as mean ± SD (n = 3).

Figure 7 Effect of ethanol extracts of HS and HT on Fe2 +-induced lipid peroxidation in rat liver homogenates. Each value is expressed as mean ± SD (n = 3). Means with different letters differ significantly, p < 0.05. The values sharing common letters are not significantly different, p > 0.05.

Figure 7 Effect of ethanol extracts of HS and HT on Fe2 +-induced lipid peroxidation in rat liver homogenates. Each value is expressed as mean ± SD (n = 3). Means with different letters differ significantly, p < 0.05. The values sharing common letters are not significantly different, p > 0.05.

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