Exploring of Chemical Profile and Biological Activities of Three Ocimum Species From Comoros Islands: A Combination of In Vitro and In Silico Insights
Cell Biochemistry and Function,
Год журнала:
2024,
Номер
42(7)
Опубликована: Окт. 1, 2024
ABSTRACT
Ocimum
species
have
a
great
interest
in
different
traditional
medicinal
systems.
This
study
examined
the
chemical
composition,
antioxidant
properties,
enzyme
inhibitory
effects,
and
antibacterial
antifungal
activities
of
aerial
parts
gratissimum
,
americanum
basilicum
from
Comoros
Islands.
The
extracts
were
analyzed
using
high‐performance
liquid
chromatography‐mass
spectrometry
(HPLC‐MS)
to
determine
their
composition.
Antioxidant
activity
was
assessed
2,2‐Diphenyl‐1‐picrylhydrazyl
(DPPH),
2,2′‐Azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonic
acid)
diammonium
salt
(ABTS),
cupric
reducing
capacity
(CUPRAC),
ferric
power
(FRAP),
chelating
ability,
phosphomolybdenum
radical
scavenging
assays.
Enzyme
against
acetylcholinesterase
(AChE),
butrylcholinesterase
(BChE),
tyrosinase,
amylase,
glucosidase
evaluated
spectrophotometric
methods.
Antibacterial
tested
broth
microdilution
method
selected
pathogenic
microorganisms.
enzymes
proteins
silico
methods
with
biomolecules
these
plants.
In
addition,
111
metabolites
identified
advanced
HPLC/MS
techniques.
most
significant
number
detected
compounds
derivatives
hydroxycinnamic
acids,
followed
by
flavonoid
glycosides
aglycones
hydroxybenzoic
acids.
All
three
exhibited
activities,
O.
best‐reducing
abilities
CUPRAC
FRAP
assays
revealed
that
had
potent
effect
on
tyrosinase
(48.01
±
3.89
mg
kojic
acid
equivalent
[KAE]/g),
amylase
(1.08
0.02
mmol
acarbose
[ACAE]/g).
tests
demonstrated
possess
broad‐spectrum
activity.
Molecular
docking
results
showed
remarkable
binding
energies
target
proteins.
molecular
dynamics
simulations
chicoric
MurE
Staphylococcus
aureus
complex
as
promising
drug
candidate.
These
findings
support
medical
nutraceutical
uses
suggest
possibilities
for
natural
functional
applications.
Язык: Английский
Chemical profiling and mechanistic insights into the antibacterial efficacy of Melaleuca cajuputi leaf extract
BMC Complementary Medicine and Therapies,
Год журнала:
2025,
Номер
25(1)
Опубликована: Март 29, 2025
The
emergence
of
antimicrobial
resistance
and
the
prevalence
bacterial
infections
have
prompted
search
for
novel
antimicrobials
with
diverse
therapeutic
potential
from
natural
products.
Thus,
this
study
investigated
antibacterial
efficacy
leaf
extracts
M.
cajuputi.
Additionally,
chemical
composition
mechanism
action
most
active
extract
(MAE)
were
evaluated.
activity
cajuputi
was
assessed
using
broth
microdilution
assay.
Scanning
electron
microscopy
(SEM)
used
to
investigate
effects
MAE
on
morphology
cells.
Meanwhile,
analyzed
Fourier
transform
infrared
(FTIR)
spectroscopy
gas
chromatography-mass
spectrometry
(GC-MS).
AutoDock
Vina
molecular
docking
analysis
unveil
interactions
between
ligands
sites
target
proteins.
crude
obtained
through
cold
maceration.
methanolic
demonstrated
significant
activity,
minimum
inhibitory
concentration
(MIC)
values
spanning
0.25
mg/mL
2
mg/mL.
After
12
h
treatment
1
×
MIC
extract,
bacteria
showed
discernible
morphological
alterations,
including
disrupted
cell
wall
membrane
integrity.
Thirty
compounds
identified
in
subsequently
subjected
studies
against
Amongst
compounds,
methylanthracene,
cycloisolongifolene,
diphenyl
imidazole,
benzil
monohydrazone,
trimethoxybenzoic
acid
pronounced
binding
affinities
towards
Klebsiella
pneumoniae
protein
(PDB
ID:
5O79),
peptide
7RJJ),
Streptococcus
agalactiae
surface
anchor
2XTL),
pilin
3PHS),
Staphylococcus
aureus
transglycosylase
3VMQ),
penicillin-binding
proteins
3VSK).
energy
scores
these
varied
−
6.0
kcal/mol
7.5
kcal/mol.
Molecular
dynamics
simulations
validated
stability
interactions,
reinforcing
vitro
findings
disruption.
indicated
that
leaves
displayed
potent
pneumoniae,
S.
agalactiae,
aureus.
reveals
proteins,
highlighting
as
a
source
anti-infectives
targeting
infections.
Язык: Английский