Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1370 - 1370
Published: March 19, 2025
The
propolis
produced
by
stingless
bees
is
a
complex
mixture
of
natural
sticky
components
mixed
with
soil
or
clay.
Global
research
on
has
focused
studying
the
biological
and
pharmacological
properties
chemical
composition
bee
from
Brazil,
Indonesia,
other
regions.
However,
studies
in
Mexico
are
scarce.
This
study
aimed
to
determine
geopropolis
Scaptotrigona
mexicana
collected
Totonacapan
region
evaluate
its
antioxidant
antibacterial
activities.
phenolic
contents
ethanolic
extract
ranged
2.45
±
0.03
mg
GAE/g
3.48
0.56
dry
extract.
total
flavonoid
content
0.69
QE/g
0.84
0.009
activity
extracts
was
assessed
via
DPPH,
ABTS,
FRAP
assays.
minimum
inhibitory
concentration
values
exhibited
(>512
g/mL)
for
Gram-negative
bacteria
(Pseudomonas
aerugunosa
Phorphyromonas
gingivalis)
were
higher
than
those
Gram-positive
bacteria.
showed
highest
against
Streptococcus
mutans
(256
g/mL).
Five
known
compounds,
taraxeryl
acetate
(1),
lupeol
(3),
cicloart-23-en-3β,25-diol
(5),
mangiferoic
acid
(6),
5-(11’Z-heptadecenyl)-resorcinol
(7),
two
irresoluble
mixtures
3-O-acetyl-α-(2a)
3-O-acetyl-β-amyrins
(2b),
α-
(4a)
-amyrins
(4b),
identified
nuclear
magnetic
resonance
spectroscopy
mass
spectrometry.
Additionally,
39
volatile
compounds
headspace-solid
phase
microextraction
using
hyphenated
gas
chromatography
coupled
spectrometry
time-of-flight.
main
detected
include
trans-α-bergamotene
(8.15%),
hexanal
(7.17%),
2-heptanone
(7.60%),
α-copaene
(7.09%).
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
282, P. 116677 - 116677
Published: July 5, 2024
Stingless
bees
(Hymenoptera:
Meliponini)
are
pollinators
of
both
cultivated
and
wild
crop
plants
in
the
Neotropical
region.
However,
they
susceptible
to
pesticide
exposure
during
foraging
activities.
The
fungicide
fluazinam
is
commonly
applied
bean
sunflower
cultivation
flowering
period,
posing
a
potential
risk
stingless
bee
Partamona
helleri,
which
serves
as
pollinator
for
these
crops.
In
this
study,
we
investigated
impact
acute
oral
(24
h)
on
survival,
morphology
cell
death
signaling
pathways
midgut,
oxidative
stress
behavior
P.
helleri
worker
bees.
Worker
were
exposed
24
h
(field
concentrations
0.5,
1.5
2.5
mg
a.i.
mL
Journal of Agriculture and Food Research,
Journal Year:
2023,
Volume and Issue:
14, P. 100736 - 100736
Published: Aug. 10, 2023
Stingless
bee
honey
is
widely
utilized
as
a
traditional
medicine
in
tropical
and
subtropical
regions.
The
rich
diversity
of
stingless
bees
floral
resources
the
African
tropics
presents
an
opportunity
for
production
honeys
with
diverse
therapeutic
properties.
This
study
investigated
influence
species
vegetation
on
antioxidant
properties
honey.
Honey
samples
were
collected
from
six
Afrotropical
different
zones
Tanzania,
tested
phytochemical
composition
activity.
Our
findings
demonstrate
that
influenced
by
both
vegetation,
former
exhibiting
stronger
effect.
Honeys
produced
varied
significantly
all
assayed
parameters,
whereas
differed
80%
parameters.
Further,
there
was
clear
separation
based
non-metric
multidimensional
scaling
(NMDS)
principal
component
analysis
(PCA)
plots
which
suggest
can
be
used
markers
discriminating
species.
studied
across
remarkable
phenolic
content
(46.80–365.17
mg
GAE/100
g),
flavonoid
(27.49–210.83
QE/100
vitamin
C
(7.42–60.50
mg/100
radical
scavenging
activity
(32.75–92.50%)
ferric
reducing
power
(68.11–221.23
μmol
Fe
(II)/100
g).
promising
niche
pharmaceutical
research
innovation,
particularly
Dactylurina
schmidti
demonstrated
exceptional
levels
phytochemicals
We
encourage
future
studies
to
investigate
biologically
active
components
bees,
paving
way
potential
applications
clinical
therapy.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 28, 2024
In
recent
years,
the
insect
microbiome
has
become
focus
of
many
actinomycete
researchers
in
their
search
for
novel
bioactive
compounds
with
members
order
Hymenoptera
at
forefront
revolution.
encompasses
all
bees,
wasps,
ants,
and
sawflies
is
third
largest
by
species
richness.
Additionally,
most
diverse
terms
ecological
roles,
behaviors,
social
systems,
thus
making
it
an
ideal
starting
point
symbiotic
actinomycetes.
The
aim
this
review
to
summarize
current
knowledge
on
hymenopteran
associations
actinomycetes
including
information
interactions
between
hymenopterans,
isolation,
screening
methodologies,
as
well
natural
products
discovered
early
2013
2023.
A
total
19
new
were
within
time
period,
genus
Streptomyces
being
represented
11
while
remaining
8
belonged
rare
genera.
addition,
35
reported
from
hymenopteran-associated
same
period
majority
originating
strains.
exhibit
a
range
biological
activities
antibacterial,
antifungal,
anticancer,
anti-enzymatic,
antiproliferative
activity,
cytotoxicity.
Processes,
Journal Year:
2024,
Volume and Issue:
12(4), P. 700 - 700
Published: March 29, 2024
Natural
products
are
historically
regarded
as
the
main
sources
of
bioactive
compounds
to
fight
most
diverse
diseases;
among
them,
propolis
deserves
be
highlighted
due
several
biological
activities,
such
antioxidant,
anti-inflammatory,
healing,
antibacterial
and
antileishmanial
activity.
In
this
study,
antioxidant
antipromastigote
activities
cytotoxicity
Scaptotrigona
aff.
postica
stingless
bee
were
evaluated.
Propolis
extract
was
analyzed
by
infrared
spectroscopy,
thermogravimetry
spectrophotometry
for
total
polyphenols
flavonoid
contents.
Antioxidant
activity
assessed
spectrophotometrically
DPPH,
ABTS
FRAP
methods,
while
MTT
assay.
The
spectra
showed
characteristic
bands
both
phenols
alcohols.
study
revealed
two
events
thermal
stability
around
370
°C,
differential
scanning
calorimetry
endothermic
an
exothermic
event.
Total
polyphenol
contents
21.29
±
0.003
mg/g
8.17
0.00
mg/g,
respectively,
identified
methods
910.09
0.0264
µM
Trolox
(IC50
18.9
0.01
µg/mL),
859.97
0.0854
692
µg/mL)
1613.67
0.2610
80
0.1
respectively.
satisfactory
can
related
high
content
phenolic
compounds,
which
adds
value
product
contribute
development
meliponiculture
in
Brazilian
state
Pará.
caused
a
toxic
effect
on
promastigote
forms
Leishmania
amazonensis
at
all
concentrations
tested,
with
IC50
1.50
µg/mL
statistically
significant
difference
compared
negative
control
(p
<
0.001).
These
results
show
that
from
S.
bees
may
promising
alternative
treatment
against
L.
amazonensis.
Journal of Agriculture and Food Research,
Journal Year:
2023,
Volume and Issue:
14, P. 100803 - 100803
Published: Oct. 10, 2023
Honey
composition
vary
according
to
floral
origin
and
bee
species
from
which
it
is
produced.
Understanding
the
of
honey
essential
for
guaranteeing
its
quality
authenticity,
revealing
potential
benefits.
Studies
on
honeys
produced
by
Afrotropical
stingless
bees
are
scarce
resulting
into
limited
understanding
underutilization.
The
current
study
investigated
physicochemical
properties
sugar
profiles
six
(Dactylurina
schmidti,
Hypotrigona
gribodoi,
Meliponula
beccarii,
ferruginea,
togoensis
Plebeina
armata)
different
vegetation
zones
Tanzania.
Permutation
analysis
variance
(PERMANOVA)
Kruskal-Wallis
tests
were
conducted
assess
how
influenced
studied
parameters.
Furthermore,
we
employed
principal
component
(PCA)
linear
discriminant
(LDA)
discriminate
samples
zones.
Our
findings
show
that
was
greatly
identity
affected
84.6
%
parameters,
compared
only
23.1
Stingless
showed
significant
variation
international
standards
established
Apis
mellifera
honey.
Also,
levels
free
acidity
(32.05–99.95
meq/Kg),
ash
content
(0.09–0.81
w/w)
reducing
sugars
(43.79–50.82
g/100
g)
in
some
deviated
East
African
Community
PCA
LDA
revealed
can
be
used
classify
their
origin.
We
recommend
further
studies
elucidate
markers
identifying
entomological
source
