In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes

Introduction: Diabetes mellitus (DM) has been recognized as the seventh leading cause of global mortality; however, researchers seek alternative means to manage the menace. The current study sought to investigate antioxidant potentials, α-amylase, and α-glucosidase inhibitory activities of ethanolic...

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Main Authors: Oluwaseun Ruth Olasehinde, Olakunle Bamikole Afolabi, Benjamin Olusola Omiyale, Oyindamola Adeniyi Olaoye
Format: Article
Language:English
Published: Shahrekord University of Medical Sciences 2021-10-01
Series:Journal of HerbMed Pharmacology
Subjects:
Online Access:http://herbmedpharmacol.com/PDF/jhp-10-408.pdf
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author Oluwaseun Ruth Olasehinde
Olakunle Bamikole Afolabi
Benjamin Olusola Omiyale
Oyindamola Adeniyi Olaoye
author_facet Oluwaseun Ruth Olasehinde
Olakunle Bamikole Afolabi
Benjamin Olusola Omiyale
Oyindamola Adeniyi Olaoye
author_sort Oluwaseun Ruth Olasehinde
collection DOAJ
description Introduction: Diabetes mellitus (DM) has been recognized as the seventh leading cause of global mortality; however, researchers seek alternative means to manage the menace. The current study sought to investigate antioxidant potentials, α-amylase, and α-glucosidase inhibitory activities of ethanolic extract of Moringa oleifera flower in vitro. Methods: Antioxidant properties of the extract were appraised by assessing its inhibition against 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl (OH•), and hydrogen peroxide (H2O2) free radicals, as well as ferric reducing antioxidant power (FRAP), the antidiabetic activity was evaluated by α-amylase and α-glucosidase inhibition.Results: In this study, ethanolic extract of M. oleifera flower demonstrated a significant (P < 0.05) inhibition against DPPH free radical (43.57–83.56%) in a concentration-dependent manner, while FRAP (101.76 ± 1.63 mg/100 g), OH• scavenging ability (71.62 ± 0.95 mg/100 g), and H2O2 free radical scavenging capacity (15.33 ± 1.20 mg/100 g) were also observed. In the same manner, ethanolic extract of M. oleifera flower revealed a significant (P < 0.05) inhibition against α-amylase (IC50= 37.63 mg/mL) and α-glucosidase activities (IC50= 38.30 mg/mL) in the presence of their respective substrates in a concentration-dependent manner in comparison with acarbose. Conclusion: Ethanoic extract of M. oleifera flower could be useful as an alternative phytotherapy in the management of DM, having shown a strong antioxidative capacity and substantial inhibition against the activities of key enzymes involved in carbohydrate hydrolysis in vitro.
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spelling doaj.art-abc8418a1b424a38a32dd7e9676704742022-12-21T18:41:49ZengShahrekord University of Medical SciencesJournal of HerbMed Pharmacology2345-50042021-10-0110440841410.34172/jhp.2021.48jhp-37923In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetesOluwaseun Ruth Olasehinde0Olakunle Bamikole Afolabi1Benjamin Olusola Omiyale2Oyindamola Adeniyi Olaoye3College of Science, Department of Chemical Sciences, Biochemistry Programme, Afe Babalola University, P.M.B 5454 Ado-Ekiti, Ekiti State, NigeriaCollege of Science, Department of Chemical Sciences, Biochemistry Programme, Afe Babalola University, P.M.B 5454 Ado-Ekiti, Ekiti State, NigeriaCollege of Science, Department of Chemical Sciences, Biochemistry Programme, Afe Babalola University, P.M.B 5454 Ado-Ekiti, Ekiti State, NigeriaCollege of Science, Department of Chemical Sciences, Biochemistry Programme, Afe Babalola University, P.M.B 5454 Ado-Ekiti, Ekiti State, NigeriaIntroduction: Diabetes mellitus (DM) has been recognized as the seventh leading cause of global mortality; however, researchers seek alternative means to manage the menace. The current study sought to investigate antioxidant potentials, α-amylase, and α-glucosidase inhibitory activities of ethanolic extract of Moringa oleifera flower in vitro. Methods: Antioxidant properties of the extract were appraised by assessing its inhibition against 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl (OH•), and hydrogen peroxide (H2O2) free radicals, as well as ferric reducing antioxidant power (FRAP), the antidiabetic activity was evaluated by α-amylase and α-glucosidase inhibition.Results: In this study, ethanolic extract of M. oleifera flower demonstrated a significant (P < 0.05) inhibition against DPPH free radical (43.57–83.56%) in a concentration-dependent manner, while FRAP (101.76 ± 1.63 mg/100 g), OH• scavenging ability (71.62 ± 0.95 mg/100 g), and H2O2 free radical scavenging capacity (15.33 ± 1.20 mg/100 g) were also observed. In the same manner, ethanolic extract of M. oleifera flower revealed a significant (P < 0.05) inhibition against α-amylase (IC50= 37.63 mg/mL) and α-glucosidase activities (IC50= 38.30 mg/mL) in the presence of their respective substrates in a concentration-dependent manner in comparison with acarbose. Conclusion: Ethanoic extract of M. oleifera flower could be useful as an alternative phytotherapy in the management of DM, having shown a strong antioxidative capacity and substantial inhibition against the activities of key enzymes involved in carbohydrate hydrolysis in vitro.http://herbmedpharmacol.com/PDF/jhp-10-408.pdfmoringa oleiferaantioxidant activityα-amylaseα-glucosidasetype ii diabetes
spellingShingle Oluwaseun Ruth Olasehinde
Olakunle Bamikole Afolabi
Benjamin Olusola Omiyale
Oyindamola Adeniyi Olaoye
In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
Journal of HerbMed Pharmacology
moringa oleifera
antioxidant activity
α-amylase
α-glucosidase
type ii diabetes
title In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
title_full In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
title_fullStr In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
title_full_unstemmed In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
title_short In vitro inhibitory potentials of ethanolic extract of Moringa oleifera flower against enzymes activities linked to diabetes
title_sort in vitro inhibitory potentials of ethanolic extract of moringa oleifera flower against enzymes activities linked to diabetes
topic moringa oleifera
antioxidant activity
α-amylase
α-glucosidase
type ii diabetes
url http://herbmedpharmacol.com/PDF/jhp-10-408.pdf
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