Saudi Pharmaceutical Journal,
Journal Year:
2023,
Volume and Issue:
31(8), P. 101677 - 101677
Published: June 19, 2023
Diabetes
Mellitus
is
the
main
cause
of
death
on
a
global
scale.
In
2019,
there
were
463
million
people
with
diabetes,
and
WHO
predicts
that
by
2030,
will
be
578
million.
As
an
antidiabetic
agent,
α-glucosidase
inhibitors
are
one
methods
employed
to
reduce
prevalence
diabetes.
traditionally
treated
Syzygium
as
primary
material,
medicine,
fruit,
ornamental
plant,
source
carpentry.
This
investigation
aimed
examine
inhibitory
effect
seven
species
against
enzyme
using
in
vitro
assay
isolate
active
substances
ascertain
their
concentrations
each
sample.
solvent,
ethanol
was
used
maceration
extract
substance.
Afterward,
underwent
series
fractionation
techniques,
including
liquid-liquid
extraction,
vacuum
liquid
chromatography,
column
preparative
Thin
Layer
Chromatography
(TLC)
for
purification
isolation.
The
compound's
structures
elucidated
TLC,
UV-Visible
spectrophotometry,
nuclear
magnetic
resonance
(NMR)
spectroscopy.
Based
100
200
µg/mL,
myrtifolium
exhibited
most
significant
effect,
followed
other
Syzygium.
proportion
ethyl
acetate
had
strongest
activity
(IC50
0.40
±
0.02
µg/mL)
contrasted
positive
control
acarbose
55.39
0.67
g/mL)
quercitrin
6.47
µg/mL).
Avicularin
4-O-methyl
gallic
acid
discovered
fraction
IC50
values
17.05
0.75
µg/mL
25.19
0.21
respectively.
inhibitory,
results
this
study
indicate
can
dietary
supplement
manage
hyperglycemia.
Plants,
Journal Year:
2022,
Volume and Issue:
11(11), P. 1476 - 1476
Published: May 31, 2022
Alzheimer's
disease
(AD)
causes
progressive
memory
loss
and
cognitive
dysfunction.
It
is
triggered
by
multifaceted
burdens
such
as
cholinergic
toxicity,
insulin
resistance,
neuroinflammation,
oxidative
stress.
Syzygium
plants
are
ethnomedicinally
used
in
treating
inflammation,
diabetes,
well
impairment.
They
rich
antioxidant
phenolic
compounds,
which
can
be
multi-target
neuroprotective
agents
against
AD.
This
review
attempts
to
the
pharmacological
importance
of
genus
neuroprotection,
focusing
on
anti-cholinesterase,
anti-diabetic,
anti-inflammatory,
properties.
Articles
published
bibliographic
databases
within
recent
years
relevant
neuroprotection
were
reviewed.
About
10
species
examined
for
their
anti-cholinesterase
capacity.
Most
studies
conducted
form
extracts
rather
than
compounds.
aromaticum
(particularly
its
essential
oil
eugenol
component)
represents
most
studied
owing
economic
significance
food
therapy.
The
molecular
mechanisms
include
inhibition
AChE
correct
transmission,
suppression
pro-inflammatory
mediators,
stress
markers,
RIS
production,
enhancement
enzymes,
restoration
brain
ions
homeostasis,
microglial
invasion,
modulation
ß-cell
release,
lipid
accumulation,
glucose
uptake,
adiponectin
secretion
via
activation
signaling
pathway.
Additional
efforts
warranted
explore
less
species,
including
Australian
Western
species.
effectiveness
responses
markedly
established,
but
further
compound
isolation,
silico,
clinical
demanded.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 9, 2024
Emerging
threats
to
human
health
require
a
concerted
effort
search
for
new
treatment
therapies.
One
of
the
biggest
challenges
is
finding
medicines
with
few
or
no
side
effects.
Natural
products
have
historically
contributed
major
advances
in
field
pharmacotherapy,
as
they
offer
special
characteristics
compared
conventional
synthetic
molecules.
Interest
natural
being
revitalized,
continuous
lead
structures
that
can
be
used
models
development
by
pharmaceutical
industry.
Chromone
and
chromanones
are
recognized
privileged
useful
templates
design
diversified
therapeutic
molecules
potential
pharmacological
interest.
Chromones
widely
distributed
plants
fungi,
significant
biological
activities,
namely
antioxidant,
anti-inflammatory,
antimicrobial,
antiviral,
etc.,
been
reported
these
compounds,
suggesting
their
drug
candidates.
This
review
aims
update
literature
published
over
last
6
years
(2018–2023)
regarding
occurrence
activity
chromones
chromanones,
highlighting
recent
findings
perspectives
hold
future
research
applications
health,
cosmetic,
food
industries.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(8), P. 1762 - 1762
Published: April 15, 2025
The
flower
buds
of
Syzygium
nervosum
are
traditional
edible
and
medicinal
plant
materials
for
the
treatment
inflammation
stomach
disorders.
With
rising
demand
natural
products
in
food
cosmetics,
nutraceutical
nutricosmetic
potential
has
been
evaluated
this
work.
antioxidant
activity
ethanol
water
extracts
S.
were
detected
through
free
radical
scavenging
(DPPH,
·OH,
ABTS)
assays,
their
inhibitory
effects
on
tyrosinase
elastase
enzymes
also
evaluated.
extract
(SNEE)
exhibited
stronger
superior
both
compared
with
(SNWE),
highlighting
its
anti-aging
skin-whitening
applications.
Meanwhile,
LC-QTOF-MS
was
employed
identification
key
chemical
molecules
responsible
properties.
Moreover,
enzyme
mechanisms
bud
further
elucidated
using
inhibition
kinetics
molecular
docking
methods.
This
research
underscores
promising
so
as
to
offer
important
information
developing
resource
skin
feeding
bioactive
ingredients.
Research Journal of Pharmacy and Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1845 - 1853
Published: April 12, 2025
Syzygium
myrtifolium,
commonly
known
as
pucuk
merah
in
Indonesia,
is
not
only
an
ornamental
plant
but
also
has
the
potential
a
source
of
antibacterial
raw
material.
Despite
several
studies
reporting
its
antimicrobial
activity
against
various
bacteria
and
fungi,
young
leaf
extract
remains
largely
unexplored.
The
present
study
aimed
to
investigate
using
two
solvents
with
different
polarities,
namely
n-hexane
ethyl
acetate,
determine
their
respective
yield
values.
sequential
maceration
method
was
employed
bioactive
compounds
from
leaves.
results
showed
that
acetate
had
higher
value
(17.71%)
compared
(5.46%)
exhibited
stronger
all
five
at
concentrations
10%
20%.
observed
variability
could
be
attributed
differences
metabolite
compositions
extracts,
lacked
tannins
saponins,
which
are
possess
properties.
findings
this
suggest
S.
myrtifolium
leaves
may
promising
agents,
particularly
pathogenic
such
Salmonella
sp.,
epidermidis,
mutan,
pyogenes,
P.
acnes.
However,
further
research
necessary
exact
mechanism
action
toxicity
these
extracts
before
considering
use
medicine,
cosmetics,
or
food
industries.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(22), P. 7505 - 7505
Published: Nov. 9, 2023
The
essential
oils
of
five
Vietnamese
Syzygium
species
(Syzygium
levinei,
S.
acuminatissimum,
vestitum,
cumini,
and
buxifolium)
were
first
hydro-distilled
analyzed
using
GC-FID/MS
(gas
chromatography-flame
ionization
detection/mass
spectrometry).
Monoterpene
hydrocarbons,
sesquiterpene
oxygenated
sesquiterpenoids
the
main
chemical
classes
in
these
oils.
All
showed
good-excellent
antimicrobial
activities
against
Gram-positive
bacteria
Enterococcus
faecalis,
Staphylococcus
aureus,
Bacillus
cereus,
yeast
Candida
albicans.
levinei
leaf
oil,
rich
bicyclogermacrene
(25.3%),
(E)-β-elemene
(12.2%),
(E)-caryophyllene
(8.2%),
β-selinene
(7.4%),
as
well
acuminatissimum
fruit
oil
containing
(14.2%),
α-pinene
(12.1%),
caryophyllene
oxide
(10.9%),
(10.8%),
α-selinene
(8.0%),
α-humulene
(5.7%),
established
same
MIC
value
8
µg/mL
E.
faecalis
B.
which
much
better
than
positive
control
streptomycin
(MIC
128-256
µg/mL).
studied
potential
to
defend
mosquitoes
since
they
caused
24
48
h
LC50
values
less
50
growth
Culex
quinquefasciatus
Aedes
aegypti
larvae.
Especially,
buxifolium
strongly
inhibited
Ae.
larvae
with
6.73
µg/mL,
respectively,
LC90
13.37
10.83
respectively.
These
findings
imply
that
might
have
for
use
supplemental
antibacterial
agents
or
"green"
alternatives
mosquitoes.
Chemistry & Biodiversity,
Journal Year:
2023,
Volume and Issue:
20(3)
Published: March 1, 2023
Abstract
A
new
isopropyl
chromone
(
1
)
and
a
flavanone
glucoside
2
together
with
eleven
known
compounds
3–13
were
isolated
from
the
leaves
of
Syzygium
cerasiforme
(Blume)
Merr.
&
L.M.Perry.
Their
structures
elucidated
as
5,7‐dihydroxy‐2‐isopropyl‐6,8‐dimethyl‐4
H
‐chromen‐4‐one
),
5,7‐dihydroxyflavanone
7
‐O‐β‐
D‐(6′′‐
O
‐galloylglucopyranoside)
strobopinin
3
demethoxymatteucinol
4
pinocembrin‐7
D‐glucopyranoside
5
(2
S
)‐hydroxynaringenin‐7
6
afzelin
quercetin
8
kaplanin
9
endoperoxide
G3
10
grasshopper
11
vomifoliol
12
litseagermacrane
13
by
analysis
HR‐ESI‐MS,
NMR,
CD
spectral
data.
Compounds
,
inhibited
NO
production
on
LPS‐activated
RAW264.7
cells
IC
50
values
12.28±1.15,
8.52±1.62,
7.68±0.87,
9.67±0.57,
6.69±0.34
μM,
respectively,
while
other
ranging
33.38±0.78
to
86.51±2.98
compared
that
positive
control,
N
G
‐monomethyl‐L‐arginine
acetate
(L‐NMMA)
an
value
32.50±1.00
μM.