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The present work is designed to evaluate the antioxidant activities of hydroalcoholic extract (HAE) and its fractions (viz., hexane (HF), chloroform (CF), ethyl acetate (AF), n-butanol (BF) and water (WF)) obtained from aerial part of Rumex vesicarius L. by using different in vitro antioxidant assays. The content in pigments (carotenoids and chlorophylls), total phenolics, flavonoids and tannins were determined using spectrophotometric methods. Qualitative analyses of major phenolics by TLC analysis were also evaluated. Experimental results obtained show that R. vesicarius is a rich source of β-carotene (116.83 ± 1.60 μg/g DW), lycopene (156.40 ± 1.59 μg/g DW) and chlorophyll a (271.45 ± 3.46 μg/g DW). The greatest antioxidant activity was found in AF (IC50.DPPH = 0.07 ± 0.00 mg/ml) followed by BF and CF (0.15 ± 0.00 and 0.16 ± 0.00 mg/ml, respectively). These fractions were also better in their effect on reducing the oxidation of β-carotene. Reducing power of crude methanol extract/fractions increased with increasing concentration of the extract. The amount of total phenolics varied from 0.37 ± 0.01 to 43.28 ± 0.28 mg GAE/g of dry weight, HAE had the higher content (43.28 ± 0.28 mg GAE/g of DW). A negative correlation was found between phenolic compounds and the antioxidant efficiencies of the crude extract/fractions, suggesting that phenolic compounds are not the only contributors to the antioxidant activities of Rumex vesicarius. The present findings suggest that Rumex vesicarius L. can be used as natural antioxidant source to prevent damage associated with free radicals.
The present work is designed to evaluate the antioxidant activities of hydroalcoholic extract (HAE) and its fractions (viz., hexane (HF), chloroform (CF), ethyl acetate (AF), n-butanol (BF) and water (WF)) obtained from aerial part of Rumex vesicarius L. by using different in vitro antioxidant assays. The content in pigments (carotenoids and chlorophylls), total phenolics, flavonoids and tannins were determined using spectrophotometric methods. Qualitative analyses of major phenolics by TLC analysis were also evaluated. Experimental results obtained show that R. vesicarius is a rich source of β-carotene (116.83 ± 1.60 μg/g DW), lycopene (156.40 ± 1.59 μg/g DW) and chlorophyll a (271.45 ± 3.46 μg/g DW). The greatest antioxidant activity was found in AF (IC50.DPPH = 0.07 ± 0.00 mg/ml) followed by BF and CF (0.15 ± 0.00 and 0.16 ± 0.00 mg/ml, respectively). These fractions were also better in their effect on reducing the oxidation of β-carotene. Reducing power of crude methanol extract/fractions increased with increasing concentration of the extract. The amount of total phenolics varied from 0.37 ± 0.01 to 43.28 ± 0.28 mg GAE/g of dry weight, HAE had the higher content (43.28 ± 0.28 mg GAE/g of DW). A negative correlation was found between phenolic compounds and the antioxidant efficiencies of the crude extract/fractions, suggesting that phenolic compounds are not the only contributors to the antioxidant activities of Rumex vesicarius. The present findings suggest that Rumex vesicarius L. can be used as natural antioxidant source to prevent damage associated with free radicals.
Rumex vesicarius (R. vesicarius or RV) is an annual plant having rounded leaves, with flowers containing seeds. RV protects liver, resists cancer, and removes free radicals in cells. The aim of this study was to illustrate the effect of the R. vesicarius water seeds extract (RVWSE) treatment on mice before and during pregnancy, and its action on the liver and kidney histology and enzymes, aspartate aminotransferase and alanine aminotransferase, the blood urea nitrogen, the creatinine, and the uric acid. The seeds of R. vesicarius were collected, extracted, and its component analyzed via Gas chromatography mass spectrometry. Mice treated with 10 mg kg−1 RVWSE via feeding tube for 1 week before mating, or during pregnancy. The number of offspring or litter size was recorded and the blood sample was collected at the end of the experiment to test the kidney and liver enzymes, and their histology. Results showed that RVWSE contains different phytochemicals consisting of some hexane and chloroform compounds. The fertility rate of 1st treated pre-pregnancy group is 30% and the 2nd group is 35%. The offspring rate of 1st treated group showed higher new born rate (8 new born/female) than 2nd treated group (5.4 new born/female). The blood enzyme levels of the kidney and liver showed some variation between the two groups and their histology illustrates some non-significant variation between the treated and control groups of mice. The implications of the results of this study illustrate the safe use of the RVWSE, its effectiveness in improving mice fertility, and positive impact on biomarker of serum enzymes of liver and kidney with their histopathology.
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