Evaluation of in vitro aldose reductase inhibitory potential of alkaloidal fractions of Piper nigrum, Murraya koenigii, Argemone mexicana, and Nelumbo nucifera
Abstract
Background: Aldose reductase is primarily involved in development of long-term diabetic complications due to increased polyol pathway activity. The synthetic aldose reductase inhibitors are not very successful clinically. Therefore, the natural sources may be exploited for safer and effective aldose reductase inhibitors.
Methods: In the present study, the aldose reductase inhibitory potential of hydroalcoholic and alkaloidal extracts of Piper nigrum, Murraya koenigii, Argemone mexicana, and Nelumbo nucifera was evaluated. The hydroalcoholic and alkaloidal extracts of the selected plants were prepared. The different concentrations of hydroalcoholic and alkaloidal extracts of these plants were evaluated for their goat lens aldose reductase inhibitory activity using dl-glyceraldehyde as substrate. The aldose reductase inhibitory potential of extracts was assessed in terms of their IC50 value.
Results: Amongst the hydroalcoholic extracts, the highest aldose reductase inhibitory activity was shown by P. nigrum (IC50 value 35.64±2.7 μg/mL) followed by M. koenigii (IC50 value 45.67±2.57 μg/mL), A. mexicana (IC50 value 56.66±1.30 μg/mL), and N. nucifera (IC50 value 59.78±1.32 μg/mL). Among the alkaloidal extracts, highest inhibitory activity was shown by A. mexicana (IC50 value 25.67±1.25 μg/mL), followed by N. nucifera (IC50 value 28.82±1.85 μg/mL), P. nigrum (IC50 value 30.21±1.63 μg/mL), and M. koenigii (IC50 value 35.66±1.64 μg/mL).
Conclusions: It may be concluded that the alkaloidal extracts of these plants possess potent aldose reductase inhibitory activity and may be therapeutically exploited in diabetes-related complications associated with increased activity of aldose reductase.
Acknowledgments
The authors are grateful to the Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, India, for supporting this study and providing technical facilities for the work.
Conflict of interest statement
Authors’ conflict of interest disclosure: The authors stated that there are no conflicts of interest regarding the publication of this article. Research support played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
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©2014 by Walter de Gruyter Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Review
- Cerebral stroke injury: the role of cytokines and brain inflammation
- Cardiovascular-Pulmonary Interactions
- Gene functional dynamics: environment as a trigger?
- Arrhythmogenesis after acute myocardial necrosis with and without preceding ischemia in rats
- Measuring cardiopulmonary parameters during dual-task while walking
- Calcium-dependent mechanisms mediate the vasorelaxant effects of Tridax procumbens (Lin) aqueous leaf extract in rat aortic ring
- Inflammation
- Effects of cyclosporine and phenytoin on biomarker expressions in gingival fibroblasts of children and adults: an in vitro study
- Anti-inflammatory and analgesic activities of the methanol leaf extract of Phyllanthus amarus in some laboratory animals
- Oxidative Stress
- Ameliorative effect of diallyl trisulphide on arsenic-induced oxidative stress in rat erythrocytes and DNA damage in lymphocytes
- Anticholinesterase and antioxidative properties of water-extractable phytochemicals from some citrus peels
- Immune Response
- Temporal expression of IL-1β and IL-10 in rat skin, muscle, small bowel, and colon wounds: a correlative study
- Augmented primary humoral immune response and decreased cell-mediated immunity by Murraya koenigii in rats
- Analgesic, anti-inflammatory, and heme biomineralization inhibitory properties of Entada africana ethanol leaf extract with antiplasmodial activity against Plasmodium falciparum
- Hematological Profile
- Hematological profile in neonatal jaundice
- Effects of blood lead level on biochemical and hematological parameters in children with neurological diseases of Western Maharashtra, India
- Phytotherapy
- Antipsychotic property of solvent-partitioned fractions of Lonchocarpus cyanescens leaf extract in mice
- Aphrodisiac effect of aqueous root extract of Lecaniodiscus cupanioides in sexually impaired rats
- Virgin coconut oil protects against liver damage in albino rats challenged with the anti-folate combination, trimethoprim-sulfamethoxazole
- Metabolism
- Evaluation of in vitro aldose reductase inhibitory potential of alkaloidal fractions of Piper nigrum, Murraya koenigii, Argemone mexicana, and Nelumbo nucifera
Artikel in diesem Heft
- Frontmatter
- Review
- Cerebral stroke injury: the role of cytokines and brain inflammation
- Cardiovascular-Pulmonary Interactions
- Gene functional dynamics: environment as a trigger?
- Arrhythmogenesis after acute myocardial necrosis with and without preceding ischemia in rats
- Measuring cardiopulmonary parameters during dual-task while walking
- Calcium-dependent mechanisms mediate the vasorelaxant effects of Tridax procumbens (Lin) aqueous leaf extract in rat aortic ring
- Inflammation
- Effects of cyclosporine and phenytoin on biomarker expressions in gingival fibroblasts of children and adults: an in vitro study
- Anti-inflammatory and analgesic activities of the methanol leaf extract of Phyllanthus amarus in some laboratory animals
- Oxidative Stress
- Ameliorative effect of diallyl trisulphide on arsenic-induced oxidative stress in rat erythrocytes and DNA damage in lymphocytes
- Anticholinesterase and antioxidative properties of water-extractable phytochemicals from some citrus peels
- Immune Response
- Temporal expression of IL-1β and IL-10 in rat skin, muscle, small bowel, and colon wounds: a correlative study
- Augmented primary humoral immune response and decreased cell-mediated immunity by Murraya koenigii in rats
- Analgesic, anti-inflammatory, and heme biomineralization inhibitory properties of Entada africana ethanol leaf extract with antiplasmodial activity against Plasmodium falciparum
- Hematological Profile
- Hematological profile in neonatal jaundice
- Effects of blood lead level on biochemical and hematological parameters in children with neurological diseases of Western Maharashtra, India
- Phytotherapy
- Antipsychotic property of solvent-partitioned fractions of Lonchocarpus cyanescens leaf extract in mice
- Aphrodisiac effect of aqueous root extract of Lecaniodiscus cupanioides in sexually impaired rats
- Virgin coconut oil protects against liver damage in albino rats challenged with the anti-folate combination, trimethoprim-sulfamethoxazole
- Metabolism
- Evaluation of in vitro aldose reductase inhibitory potential of alkaloidal fractions of Piper nigrum, Murraya koenigii, Argemone mexicana, and Nelumbo nucifera