Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>

The Nigerian Niger-Delta crude oil exploration often results in spills that affect indigenous medicinal plant biodiversity, likely changing the phytochemical profile of surviving species, their bioactivity or toxicity. In crude oil-rich Kokori and crude oil-free Abraka, classic examples of indigenou...

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Main Authors: Oluwatofunmilayo A. Diyaolu, Emmanuel T. Oluwabusola, Alfred F. Attah, Eric O. Olori, Adeshola A. Fagbemi, Gagan Preet, Sylvia Soldatou, Jones O. Moody, Marcel Jaspars, Rainer Ebel
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Molecules
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Online Access:https://www.mdpi.com/1420-3049/27/23/8372
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author Oluwatofunmilayo A. Diyaolu
Emmanuel T. Oluwabusola
Alfred F. Attah
Eric O. Olori
Adeshola A. Fagbemi
Gagan Preet
Sylvia Soldatou
Jones O. Moody
Marcel Jaspars
Rainer Ebel
author_facet Oluwatofunmilayo A. Diyaolu
Emmanuel T. Oluwabusola
Alfred F. Attah
Eric O. Olori
Adeshola A. Fagbemi
Gagan Preet
Sylvia Soldatou
Jones O. Moody
Marcel Jaspars
Rainer Ebel
author_sort Oluwatofunmilayo A. Diyaolu
collection DOAJ
description The Nigerian Niger-Delta crude oil exploration often results in spills that affect indigenous medicinal plant biodiversity, likely changing the phytochemical profile of surviving species, their bioactivity or toxicity. In crude oil-rich Kokori and crude oil-free Abraka, classic examples of indigenous plants occupying the medicine-food interface include <i>Vernonia amygdalina</i> (VAL) and <i>Ocimum gratissimum</i> leaves (OGL). These plants are frequently utilised during pregnancy and in anaemia. To date, no scientific investigation has been reported on the potential changes to the phytochemical or bioactivity of the study plants. To discuss the similarities and dissimilarities in antisickling bioactivity and phytochemicals in VAL and OGL collected from Kokori (VAL-KK and OGL-KK) and Abraka (VAL-AB and OGL-AB), in silico, in vitro and comparative UPLC-QTOF-MS analysis was performed. Nine unique compounds were identified in OGL-KK, which have never been reported in the literature, while differences in antisickling potentials were observed in VAL-KK, OGL-KK and, VAL-AB, OGL-AB. Our findings show that VAL-AB and OGL-AB are richer and more diverse in phytochemicals and displayed a slightly higher antisickling activity than VAL-KK and OGL-KK. Ligand-based pharmacophore modelling was performed to understand the potential compounds better; this study may provide a basis for explaining the effect of crude oil spills on secondary metabolites and a reference for further research.
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spelling doaj.art-dc3c229ebc9047beb6ae432b6eb932222023-11-24T11:41:05ZengMDPI AGMolecules1420-30492022-11-012723837210.3390/molecules27238372Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>Oluwatofunmilayo A. Diyaolu0Emmanuel T. Oluwabusola1Alfred F. Attah2Eric O. Olori3Adeshola A. Fagbemi4Gagan Preet5Sylvia Soldatou6Jones O. Moody7Marcel Jaspars8Rainer Ebel9Marine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKMarine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKDepartment of Pharmacognosy and Drug Development, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin 240003, NigeriaDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ibadan, Ibadan 200005, NigeriaDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Lead City University, Ibadan 200255, NigeriaMarine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKMarine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKDepartment of Pharmacognosy, Faculty of Pharmacy, University of Ibadan, Ibadan 200005, NigeriaMarine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKMarine Biodiscovery Centre, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, UKThe Nigerian Niger-Delta crude oil exploration often results in spills that affect indigenous medicinal plant biodiversity, likely changing the phytochemical profile of surviving species, their bioactivity or toxicity. In crude oil-rich Kokori and crude oil-free Abraka, classic examples of indigenous plants occupying the medicine-food interface include <i>Vernonia amygdalina</i> (VAL) and <i>Ocimum gratissimum</i> leaves (OGL). These plants are frequently utilised during pregnancy and in anaemia. To date, no scientific investigation has been reported on the potential changes to the phytochemical or bioactivity of the study plants. To discuss the similarities and dissimilarities in antisickling bioactivity and phytochemicals in VAL and OGL collected from Kokori (VAL-KK and OGL-KK) and Abraka (VAL-AB and OGL-AB), in silico, in vitro and comparative UPLC-QTOF-MS analysis was performed. Nine unique compounds were identified in OGL-KK, which have never been reported in the literature, while differences in antisickling potentials were observed in VAL-KK, OGL-KK and, VAL-AB, OGL-AB. Our findings show that VAL-AB and OGL-AB are richer and more diverse in phytochemicals and displayed a slightly higher antisickling activity than VAL-KK and OGL-KK. Ligand-based pharmacophore modelling was performed to understand the potential compounds better; this study may provide a basis for explaining the effect of crude oil spills on secondary metabolites and a reference for further research.https://www.mdpi.com/1420-3049/27/23/8372<i>Vernonia amygdalina</i> leaves<i>Ocimum gratissimum</i> leavesUPLC-QTOF-MSsickle cell anaemiamolecular dockingmetabolomics
spellingShingle Oluwatofunmilayo A. Diyaolu
Emmanuel T. Oluwabusola
Alfred F. Attah
Eric O. Olori
Adeshola A. Fagbemi
Gagan Preet
Sylvia Soldatou
Jones O. Moody
Marcel Jaspars
Rainer Ebel
Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
Molecules
<i>Vernonia amygdalina</i> leaves
<i>Ocimum gratissimum</i> leaves
UPLC-QTOF-MS
sickle cell anaemia
molecular docking
metabolomics
title Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
title_full Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
title_fullStr Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
title_full_unstemmed Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
title_short Can Crude Oil Exploration Influence the Phytochemicals and Bioactivity of Medicinal Plants? A Case of Nigerian <i>Vernonia amygdalina</i> and <i>Ocimum gratissimum</i>
title_sort can crude oil exploration influence the phytochemicals and bioactivity of medicinal plants a case of nigerian i vernonia amygdalina i and i ocimum gratissimum i
topic <i>Vernonia amygdalina</i> leaves
<i>Ocimum gratissimum</i> leaves
UPLC-QTOF-MS
sickle cell anaemia
molecular docking
metabolomics
url https://www.mdpi.com/1420-3049/27/23/8372
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