Toothed Dock (Rumex dentatus) Deciphering its Medicinal Realm
Anza
Rubab1, Muhammad Gohar2, Iqra Saleem1, Fatma
Hussain1
1Department of Biochemistry, Faculty of Sciences,
University of Agriculture, Faisalabad, Pakistan
2School of Biochemistry and Biotechnology, University
of the Punjab, Lahore, Pakistan
METADATA Paper history Received: 22 February 2024 Revised: 25 April 2024 Accepted: 30 July 2024 Published online: 25 September 2024 Corresponding author Email: fatmauaf@yahoo.com (Fatima Hussain) Keywords Antioxidant Antidiabetic Anticancer Anti-inflammatory Citation Rubab A (2024) Toothed Dock (Rumex dentatus)
Deciphering its Medicinal Realm. Innovations in STEAM: Research &
Education 2: 24020204. https://doi.org/10.63793/ISRE/0019 |
ABSTRACT Background: toothed dock (Rumex
dentatus L) has been extensively utilized in traditional medicine across
the world for treating various diseases. Different parts of the plants have
been used for centuries in the treatment of a wide range of diseases. Objective: This study
evaluates the current level of knowledge regarding the pharmacology,
phytochemistry, ethnopharmacology, and toxicity of toothed dock. This review
has compiled and examined all of the compelling
evidence regarding its traditional uses that has been backed by
pharmacological research to determine its applicability as a possible
medicinal plant. Methodology: This review highlights
current scientific findings related to its phytochemical constituents and
therapeutic properties. Literature was collected primarily through Google
Scholar, with access to articles from PubMed, Science Direct, and Research
Gate. Most studies reviewed involved phytochemical screening and biological
assays. These effects have been demonstrated through various in vitro
and in vivo studies. Results: Toothed dock demonstrates
significant antibacterial activity against multidrug-resistant pathogens. It
reduces the expression of inflammatory markers. The plant shows quite strong
scavenging abilities towards free radicals and reduces blood glucose levels.
Key bioactive compounds include flavonoids, anthraquinones, phenolic acids,
and tannins. Conclusion: It has
ethnomedicinal, antibacterial, antioxidant, anti-inflammatory, antidiabetic,
anticancer, and allelopathic properties. Despite promising therapeutic
potential, significant research gaps exist in clinical validation and safety
assessments. This review provides a foundation for evidence-based utilization
of the toothed dock in modern
healthcare. |
INTRODUCTION
Since ancient times, people
have been utilizing plants for therapeutic purposes. Egypt, China, and India
all use these plants for a variety of medicinal purposes (Zhou et al.
2020; Asigbaase et al. 2023). Most people believe that natural remedies
are not only readily available but also reasonably priced. Additionally, they
typically have no adverse side effects (Shikov et al. 2021). Herbal
remedies are two to three times as popular worldwide as prescription
medications. Most of modern medicine is based on the ancient use of plants for
medical treatment, which existed before the written records of humanity. Polygonaceae
family is important due to its pharmaceutical properties. The knotweed or
smartweed families are other names for the Polygonaceae family (Chaudhury et
al. 2021). Because of its ecological and therapeutic significance,
botanists are particularly interested in the genus Rumex, which includes
species like toothed dock here
are approximately 200 species that belong to this genus, and some possess
beneficial pharmacologic properties (Li et al. 2022).
It is an herbaceous perennial
plant with a variety of morphological traits. They have deeply toothed or
serrated edges and are ovate to lanceolate in shape. This is the reason behind
the common name for this plant (Munir et al. 2016). Toothed dock has thrived in many parts of the world, particularly the temperate and
subtropical zones. Because of its quick growth and ability to displace native
vegetation, it may be considered an invasive species in some regions of the
world. It is considered a weed in the majority of
regions, particularly in
places where it has become naturalized (Jamil et al. 2025). Due to the
wide range of biological uses of plants and compounds derived from them,
toothed dock was selected for characterization of phytochemicals, medication,
conventional benefits, and allelopathic properties. This review evaluates the
current level of knowledge regarding the pharmacology, phytochemistry,
ethnopharmacology, and toxicity of toothed dock. This review has compiled and
examined all the compelling evidence regarding its traditional uses that has
been backed by pharmacological research to determine its applicability as a
possible medicinal plant.
PHYTOCHEMISTRY
Phytochemicals are plant-based compounds that have therapeutic and
health benefits, such as preventing and curing illnesses. Foods naturally
contain them, and work in association to treat various infections. Researchers
from all over the world studied toothed dock, extracted several phytochemicals, and conducted various biological
tests for numerous bioactivities (Khaliq et al. 2023a). According to
preliminary phytochemical analyses, toothed dock
contains alkaloids, tannins, terpenoids,
quinones, flavonoids, cardiac glycosides, and saponins. There are now sixty
three compounds that have been identified and isolated. Quinones, chromones,
naphthalene glucoside, c-glucosyl anthrones, flavonoids, stilbenes, and
essential oils are also phytochemical constituents of toothed dock (Khalil et
al. 2022; Fig. 1).
MEDICINAL PROPERTIES
It has medicinal properties
and is used to treat many diseases (Beshah et al. 2020), such as anti-inflammatory,
stringent, tumor-fighting, diuretic, and antidermatitic. Additionally, it
contains cholagogues, laxative agents, and has a tonic nature. According to
observations, every part of the toothed dock has significant and practical
medical uses. Conventional uses of the plant's leaves included diuretic,
refrigerant, and cooling properties. Toothed dock roots were utilized as a
purgative, dysentery, and anti-ascariasis remedy. Traditionally, the plant has
also been utilized to heal a number of infections
caused by bacteria and fungi, such as dysentery, ascariasis, and enteritis
(Thaher et al. 2024). Fig. 2 shows the most common traditional uses of
this plant and its modern scientific validations (Khaliq et al. 2023a).
Toothed dock has been used in
folk medicine, especially in different cultural regions of Asia and Europe.
Diverse therapeutic applications ranging from anti-inflammatory, antimicrobial,
antioxidant agents, cytotoxic, antibacterial, antifungal, hepato-protective,
antitumor, and skin disorders. It included flavonoids, tannins, and phenolic
acids. Methanol, hexane, ethyl acetate, chloroform, DCM (dichloromethane), and
H2O are among the diverse solvents tested for a range of biological
assays. Notably, extracts from various parts, such as the leaves, stem, and
roots, demonstrated primarily distinct biological assays. Previous research
also demonstrated that the methanolic extracts of shoots and roots were active
against every bacterial strain examined. However, the hexane extract was more
effective than the methanolic extract for inhibiting fungal growth (up to 80%) (Khaliq
et al. 2023a). Toothed dock shoots have been utilized as an astringent
to treat skin conditions and produce purgative outcomes. Leaves and shoots were
utilized as cooling agents, diuretics and refrigerants. Disorders relating to
bones and pain were known to be significantly cured by using this plant. As a
result, the plant was used to relieve body pain and apply a potent decoction to
dislocated bones. Asthma, coughing, jaundice, high temperature, fragility,
scabies, foot, mouth illness, and other ailments were also treated with its
roots and leaves. In India, this plant is used in a diverse array of
traditional consumptions. Therefore, it was considered extremely important (Lal
et al. 2024).
ANTIMICROBIAL
PROPERTIES
One of the most important scientific concerns of our
day is the global issue of antibiotic resistance. The development of novel
antibiotics is an exhausting and lengthy process. Several bioactive components
found in this plant can be utilized for treating infections and
multidrug-resistant bacteria. Aqueous and methanolic extracts showed
significant antibacterial activity against various strains. Its water-based
extracts are particularly effective against Pseudomonas aeruginosa.
Its phytochemical screening confirmed the presence of terpenoids, carbohydrates,
and phenolics (Zakir et al. 2020). Najafabadi et al. (2020)
assessed the impact of different methanolic extract concentrations on P.
aeruginosa biofilm formation for 48 and 72 hours. Due to the bacteria's
ability to withstand antibiotic treatment, P. aeruginosa biofilm
formation accounted for a significant percentage of hospital-acquired
infections. P. aeruginosa biofilm's extracellular polymeric material was
a mixture of extracellular proteins, polysaccharides and microbial cells. To
cultivate biofilm and assess the antibiofilm action, they employed the microtiter
plate method. Gas chromatography was used to examine the arrangement of the
methanol sample. Methanolic extracts also inhibited P. aeruginosa
biofilm formation in a dose-dependent manner, with a minimum biofilm inhibitory
concentration (MBIC) of 250 mg/mL.
Using the extract of its leaves,
Rehan et al. (2020), isolated its phytochemical compounds to test for
antibacterial activities. They extracted hexacosanol and hexacosanoic acid by
using spectroscopic analysis. Molecular analysis was used to determine the
antibacterial relationships of isolated compounds. Using the agar well
diffusion assay, the antibacterial behaviour against various bacterial strains
was assessed. Staphylococcus aureus showed maximum inhibition due to its
phytochemicals, indicating strong antibacterial activity. The extract and
hexacosanol compound showed the best effects on Escherichia coli (20 mm)
and S. aureus (23 mm). Khan and Ahmed, (2022) also assessed the antimicrobial
properties by using different solvents. Specifically, water, ethanol, ethyl
acetate, methanol, and hexane extracts were tested. Using the in-vitro
agar diffusion technique its antimicrobial activity was confirmed against
Gram-positive bacteria such as Bacillus atrophoeus, S. aureus,
and Bacillus subtilis; Gram-negative bacteria such as Klebsiella
pneumoniae, E. coli, and Salmonella typhi; and fungal strains
such as Rhizopus stolonifer, Candida albicans, and Aspergillus
niger. The order of effectiveness of the various solvent extracts
ethanol> ethyl acetate> methanol> hexane> aqueous extracts. It
showed a zone of inhibition of 22ą0.23 mm. The plant ethanolic extract under
study demonstrated the highest inhibitory activity against the fungus C.
albicans. Ethanolic extract also demonstrated a significant effect against
all bacterial strains. It showed a zone of inhibition of 18ą0.16 mm for S.
aureus and 19ą0.08 mm for E. coli. Whole plant extracts contain
bioactive substances with strong antibacterial and antifungal properties.
Additionally, based on the many strains of organisms the zone of inhibition
order was fungi> Gram-positive bacteria> Gram-negative bacteria.
For in vitro analysis, the disc diffusion
method and brine shrimp mortality assay were performed by Moniruzzaman et al.
(2023). These in-silico studies were conducted using standard computational
tools and servers, including Discovery Studio, PyRx and Pymol. S. aureus
was collected from eczema patients' infected areas and identified using 16S
rRNA analysis, biochemical analysis, and morphological analysis. Leaf methanolic
extract demonstrated the maximum region of resistance (14.33 ą 0.68 mm) when
applied at a dose of 150 ľg/disc on S. aureus. Thus, the leaf extract
from toothed dock could be utilized as an organic medicine source to fight the
pathogen that is resistant to antibiotics.
Agar well diffusion and
minimum inhibitory concentration assays on medical isolates of P. aeruginosa
were used by Khan et al. (2024) to assess the antibacterial activity of the
methanolic extract of Toothed dock root. MIC values for the crude extract,
fractions and subfractions tested ranged from 200 to 1000 μg/mL,
respectively. Notably, the water fraction had the strongest anti-P. aeruginosa
activity among the fractions. A spectroscopic analysis employing
HPLC-ESI-Q-TOF-MS revealed that emodin and gallic acid were the main
constituents and their fractions were the same that produced the antibacterial
and antibiofilm effects. This study offered strong evidence in favour of its traditional
use as described in folklore. Additionally, this investigation advanced our
knowledge of its ability to treat infections. According to Nazir et al. (2022),
biologically synthesized ZnO nanoparticles by using its leaf extract and showed
significant antibacterial activity. According to Khaliq et al. (2023b), toothed
dock yielded five bioactive molecules. Furthermore, the
majority of the plant extracts exhibited significant to mild
antimicrobial action (IC50, half-maximal inhibitory concentration),
when tested on six pathogenic organisms from humans, which included five
bacteria and one fungal pathogen. In the microtiter plate assay, the n-hexane
and methanolic extracts were identified to have beneficial antibacterial
ability out of all the extracts that were assessed for antimicrobial
activities. Moreover, advanced phytochemical studies identified nineteen
natural products, mainly anthraquinone derivatives, with most fractions showing
inhibitory activity against S. aureus and some also active against E.
coli and C. albicans (Aierken et al. 2023). This study
identified that one of the new compounds isolated from the roots, specifically
musizin that exhibited moderate antifungal activity. This compound demonstrated
an inhibitory rate of 39.539 ą 0.412% against the fungus Epidermophyton
floccosum at a concentration of 100 μM. This suggested that this plant
may have potential applications in treating fungal infections, particularly
through the activity of its phenolic compounds (Li et al. 2023). Silver
nanoparticles or AgNPs were widely used in medicine because of their strong
antimicrobial properties. Amir et al. (2023) prepared tooth dock silver NPs
and tested Gram-positive S. aureus and Gram-negative E. coli bacterial
strains to assess their antibacterial activity. They recorded more
antimicrobial activity against E. coli and it
was near to the usual control group. According to SEM and XRD morphological
analysis, the plant extract is responsible for the agglomerated, polydispersed,
spherical shape of the nanoparticles as well as their high display of
inconsistent morphology.
ANTIOXIDANT
PROPERTIES
Natural substances called phytochemicals exist in
plants and are vital for supporting human health. Phytochemicals act as antioxidants
and provide defence against harmful free radicals. This antioxidant action
enhances the general health of cells (Pawase et al. 2024).
Spectrophotometric assays were one of the specific methods used to measure the
activity of antioxidant enzymes. These tests measured how quickly the enzymes
react with particular substrates. Toothed dock increased
activities of antioxidant enzymes (peroxidase, catalase, superoxide dismutase)
when exposed to lead and zinc, helping the plant neutralize reactive oxygen
species and suggesting strong adaptive antioxidant defence. It has been
assessed by different studies using techniques like TPC, TFC, and DPPH for its
antioxidant properties. Ethyl acetate extracts from roots and leaves showed
high total phenolic content and strong DPPH radical scavenging activity (IC50
as low as 0.012 mg/mL). Moreover, β-carotene bleaching assays confirm
potent antioxidant properties linked to phenolic compounds (Elzaawely and
Tawata 2012). A study by Humeera et al. (2013) demonstrated that the
extracts of this plant showed antioxidant activity and were helpful for
neutralizing free radicals. DPPH assay, riboflavin photooxidation, deoxyribose
assay, and lipid peroxidation assay were used to evaluate the antioxidant
activity. This validated the accuracy of the findings. The petroleum ether
extract has a lower total phenolic content (45 ľg/mg). The butanol extract has
the highest TPC (145 ľg/mg). This variation in phenolic content affected the
total antioxidant capability of the various samples. Moreover, its extracts
exhibited dose-dependent scavenging of hydroxyl and superoxide radicals. Butanol
extracts showed the highest total phenolic content and antioxidant capacity
with the presence of tannins, terpenoids, and flavonoids (Humeera et al.
2013). Polar lipid fractions were especially associated with antioxidant
activity, as confirmed by advanced chromatography and mass spectrometry
(Elfotoh et al. 2013).
Methanolic extracts of shoots and roots also showed
significant DPPH scavenging activity. The higher antioxidant activity was seen
in aerial parts. The quantitative study of roots and shoot extracts revealed a
high content of tannins and phenolics. Toothed dock extracts demonstrated
scavenging activities of 52.88% for roots and 62.78% for shoots at 50 mg mL-1.
For roots and shoots the coastal samples had IC50 values of 23.99 and 34.99 mg
mL-1 for methanolic extract. The coastal and inland samples had
respective IC50 values of 31.67 and 41.59 mg mL-1 (Hafaz et al.
2022). Ethanol and methanol extracts demonstrated up to 96% and 85% DPPH
inhibition at 300 ľg/mL, comparable to ascorbic acid and butanol fractions that
showed 90% inhibition in lipid peroxidation assays (Khalil et al. 2022),
suggesting strong antioxidant potential.
ANTIDIABETIC
ASSAY
A condition known as diabetes is brought on by an
excessively high blood glucose level, or blood sugar. The primary energy source
that comes from food is glucose. The pancreas produces the hormone insulin,
which facilitates the uptake of glucose from food for energy production.
Nepodin, isolated from toothed dock, showed significant antidiabetic effects by
stimulating glucose uptake in cultured L6 myotubes through the activation of
AMPK (AMP-activated protein kinase). This led to enhanced GLUT4 (glucose
transporter protein 4) translocation, crucial for cellular glucose entry. In
diabetic mice (C57BL/KsJ-db/db), nepodin improved glucose tolerance and reduced
fasting blood sugar, confirming its mechanism via AMPK activation and GLUT4
regulation (Ha et al. 2014).
Toothed dock was recognized
for its potential antidiabetic properties through a range of experimental
studies. One of the most prominent findings was its ability to significantly
reduce blood glucose levels. This indicated its role in counteracting
hyperglycemia, which is a primary characteristic of diabetes. Toothed dock can
enhance insulin sensitivity. Polyphenol-rich extract significantly lowered
blood glucose and improved insulin sensitivity in type 2 diabetic rats. Toothed
dock also up-regulated PPARγ (peroxisome proliferator-activated
receptor gamma) expression, a key regulator of glucose and lipid metabolism and
inflammation suppression. Molecular docking showed strong binding to PPARγ,
confirming their involvement in glucose homeostasis (Elsayed et al. 2020).
It improved carbohydrate metabolism, reduced insulin resistance, and alleviated
liver damage and hyperglycemia in diabetic rats. Gene expression and in-silico
studies confirmed that isolated compounds from toothed dock bind to PPARγ
and help lower blood glucose, highlighting its promise as a natural
antidiabetic remedy (Khaliq et al. 2023a). Fig. 3 shows a flowchart of
the mechanism of action of all the bioactivities mentioned above of the toothed
dock.
ANTICANCER
PROPERTIES
The term "cancer" describes any of a wide
range of illnesses that are characterized by the unchecked and aberrant
proliferation of cells that can infiltrate and destroy healthy body tissue. It
is frequently possible for the illness to spread all over the body. Since
cancer is the 2nd most common cause of death worldwide therefore its
effective treatment is required. The study used a brine prawn cytotoxicity
assay along with the potato disc experiment. Frequently employed as a first
assessment for medicinal activity, this technique offers valuable information
regarding the possible toxicity of herb extracts. Extracts showed weak to
moderate inhibition of carcinoma cell growth in vitro, with higher
concentrations yielding better effects. In vivo testing in mice (Ehrlich
ascites carcinoma model) confirmed dose-dependent cytotoxicity (Hawas et al.
2011). Batool et al. (2017) assessed their anticancer activity against
the cell line MDA-MB-231, which exhibited invasive characteristics. The MTT
assay was utilized to assess the toxicity against a cancer cell line. To
examine any alterations in the cell cycle or apoptotic effect, flow cytometry
was used. The disruptive and wound-healing abilities were also investigated
along with the NF-κB pathway and Western blotting of apoptotic genes. Extracts
used were methanol and chloroform. Cell proliferation was mostly inhibited in
both terms of concentration and time. By suppressing the stimulation of
NF-κB and the resulting transcripts, surviving, Cyclin D1, XIAP, Bcl-xl
and Bcl-2, it was demonstrated that both RC and RM prevented growth of
cancerous cells and caused cell death. Methanolic and chloroform extracts and
isolated compounds, showed cytotoxicity against lung (A549), breast
(MDA-MB-468, MDA-MB-231), pancreatic (MIAPaCa) and colon (HCT-116) cancer cell
lines. One compound (B) had strong activity against colon cancer cells (IC50 =
11.29 ľg/mL) and inhibited cell migration and invasion (Khaliq et al. 2023c).
Neopodin and other compounds from toothed dock roots exhibited
antiproliferative and pro-apoptotic effects in various cancer cell lines,
supporting their potential as natural anticancer agents. Toothed dock roots
yielded compounds showed antiproliferative activity against several cancer cell
lines. NMR spectroscopy was used to clarify their planar structures. However,
because of differences in the precise rotation values, their exact
configurations were still unknown. L-glucosides and their derivatives found in
nature are special compounds with important pharmacological and biosynthetic
potential. Toothed dock extract, in combination with cisplatin, enhanced
anticancer effects against oral squamous cell carcinoma (HNO97) cells by
promoting cell cycle arrest, apoptosis and reducing autophagy. Network
pharmacology suggested involvement of EGFR, microRNAs and PI3K-Akt pathways,
indicating potential for combination therapy (Ragab et al. 2025).
ANTI-INFLAMMATORY
PROPERTIES
Tissue damage from toxins, bacteria, heat, trauma,
or any other source triggers the inflammatory response, or inflammation. The
dysregulation of numerous intracellular signaling pathways, such as kinases
cell, surface receptors and transcription factors, is a common feature of
chronic inflammation. Toothed dock contains flavonoids, tannins and phenolic
acids, which are linked to its traditional anti-inflammatory uses. Analytical
studies confirmed these compounds and established quality standards for herbal preparations
(Singh et al. 2013). Ethanolic extracts of Toothed dock leaves and stems
showed anti-inflammatory and antioxidant effects in rats, reducing inflammatory
markers (TNF, IL-2, IL-6), improving liver and kidney function and lessening
fibrosis. Leaves, with higher phenolic content, were particularly effective
(Mohamed et al. 2014).
Toothed dock extracts reduced
the expression of inflammatory markers (COX-2, TNF-α, p-NF-κB) in
gastric tissues and lowered pro-inflammatory cytokines (IL-8, PGE2) in models
of ethanol-induced gastric injury. Extracts also restored antioxidant enzyme
levels, supporting their role in protecting against oxidative stress and
inflammation (Qazi et al. 2022). Toothed dock has been shown to reduce
the expression of inflammatory markers like COX2 and TNF-α, indicating its
potential being an anti-inflammatory agent. The plant was also classified in a
lower toxicity class (Kazamel et al. 2024).
ALLELOPATHIC
PROPERTIES
The term "allelopathic properties" describes
the chemical interactions that occur between plants. Plant produces
biochemicals called "allelochemicals" that can affect the behaviour, growth, survival, or reproduction of
other plants. Different studies examined
the allelopathic effect of aqueous extracts of toothed dock and other plants.
Root extracts of Toothed dock, rich in allelochemicals like vanillic, caffeic,
benzoic, sinapic, gallic, ferulic, and cinnamic acids. Higher extract
concentrations increased lipid peroxidation and hydrogen peroxide, while
catalase and superoxide dismutase activities were also elevated, suggesting
oxidative stress as a mode of inhibition. Cinnamic and ferulic acids were
particularly effective in inducing these effects, highlighting toothed dock as
a bioherbicide (El-Shora et al. 2014). Its aqueous extracts reduced
germination, radicle, and plumule growth in both intact and pre-germinated
seeds of weeds (Avena fatua) and crops (sunflower, maize, wheat). Filter
paper and soil bioassays showed strong inhibition, supporting its use in
organic weed management (Anwar et al. 2017). Field studies demonstrated that
its increasing density significantly reduced wheat yield and yield-related
parameters. Yield losses increased sharply as weed density exceeded 20
plants/m˛, establishing this as a critical management threshold for minimizing
crop loss due to its competition with toothed dock (Waheed et al. 2017).
Allelochemicals are released through leaching, volatilization, leaf litter, and
root exudation. Both aqueous and leaf powder extracts reduced radicle and
plumule growth in wheat, maize, and sunflower up to 82%, confirming strong
allelopathic suppression. These findings support the practical application of toothed
dock extracts for natural weed control in sustainable agriculture (Anwar 2018).
CONCLUSIONS
R.
dentatus
stands out as a versatile medicinal plant with a rich history of traditional
use across the world. Modern scientific investigations have validated many of
its ethnomedicinal claims, demonstrating significant antibacterial,
antioxidant, anti-inflammatory, antidiabetic, anticancer, and allelopathic
properties. The plant contains diverse bioactive compounds, including
flavonoids, phenolic acids, tannins, and anthraquinones. These are responsible
for its broad spectrum of biological activities. Notably, extracts and isolated
compounds from this plant have shown potent activity against
multidrug-resistant bacteria, strong free radical scavenging capacity, and the
ability to modulate inflammatory and metabolic pathways. Its combination with nanoparticle
further amplifies its therapeutic potential, especially in antimicrobial and
antioxidant applications. The plant also displays promising allelopathic
effects, suggesting a role in sustainable agriculture as a natural
bioherbicide. Despite these promising findings, further research is warranted
to standardize extraction methods, clarify mechanisms of action and conduct
comprehensive clinical trials to ensure efficacy and safety in humans. Overall,
it offers significant potential as a source of novel natural products for
pharmaceutical, nutraceutical and agricultural applications, bridging
traditional knowledge with modern scientific validation.
The
authors express their sincere gratitude to the Department of Biochemistry,
University of Agriculture, Faisalabad, for providing facilities for this work.
AUTHOR
CONTRIBUTIONS
Fatma Hussain designed and supervised the research and final draft of the
manuscript; Anza Rubab completed the research, Iqra Saleem assisted in
write-up, rephrasing, and final draft preparation.
The data will be made available on a fair
request.
Not applicable to this paper.
This project is not funded by any agency.
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