Revista de Gestão Social e Ambiental,
Journal Year:
2024,
Volume and Issue:
18(10), P. e08699 - e08699
Published: Oct. 9, 2024
Objetivo:
O
objetivo
deste
estudo
é
analisar
a
influência
da
sazonalidade
na
quantidade
e
composição
do
óleo
essencial
extraído
das
folhas
de
pitangueira
(
Eugenia
uniflora
L.
).
Teórico
Referencial:
Neste
tópico,
são
apresentados
os
principais
conceitos
teorias
que
fundamentam
pesquisa.
Destacam-se
essencial,
pitangueira,
,
fornece
uma
base
sólida
para
compreensão
contexto
investigação.
Método:
As
coletas
ocorreram
em
árvores
nativas
adultas
localizadas
cidade
Santa
Cruz
Sul,
Rio
Grande
Brasil,
durante
as
quatro
estações
ano.
Após
secas
foram
homogeneizadas
acondicionadas
sacos
plásticos
até
remoção
por
hidrodestilação,
um
Extrator
Clevenger
modificado.
A
determinação
dos
componentes
ocorreu
Cromatógrafo
espectrômetro
massas.
Resultados
Discussão:
Os
resultados
obtidos
revelaram
ano
influenciaram
diretamente
no
rendimento
extraído,
sendo
maiores
verão
outono.
Já
identificados
folha
o
curzereno,
germacrona,
germacreno
B
D.
Implicações
Pesquisa:
implicações
práticas
teóricas
desta
pesquisa
discutidas,
fornecendo
insights
sobre
como
podem
ser
aplicados
ou
influências
campo
extração
óleos
essenciais
Originalidade/Valor:
Este
contribui
identificar
pintangueira.
Fornecemos
ainda
conforme
Food Research International,
Journal Year:
2025,
Volume and Issue:
203, P. 115826 - 115826
Published: Jan. 22, 2025
Food
packaging
is
one
of
the
most
important
strategies
to
prevent
food
damage
or
spoilage
during
storage
and
supply
chain.
Among
various
types,
seafood,
a
high-value
product,
particularly
vulnerable
post-harvest
quality
loss
microbial
contamination
storage.
Although
current
plastic-based
materials
are
durable,
they
pose
serious
threat
environment.
Therefore,
research
on
natural
biopolymers
for
top
priority
scientists,
industries,
government
bodies.
Additionally,
nanoengineering
concepts
enhance
physicochemical
functional
properties
biopolymers,
thereby
revolutionizing
industry.
This
review
provides
comprehensive
discussion
smart
nano-packaging
seafood
products.
It
focuses
advancements
in
biopolymer
as
transformative
solution
extending
shelf
life
ensuring
Existing
knowledge
highlights
functionality
nanotechnology,
but
gaps
remain
addressing
practical
applications,
such
scalability,
cost-efficiency,
consumer
safety.
bridges
these
by
providing
detailed
analysis
biopolymer-based
active
intelligent
systems,
which
integrate
antioxidant,
antimicrobial,
freshness-indicating
properties.
emphasizes
unique
contributions
properties,
offering
innovative
solutions
industry
while
promoting
environmental
sustainability.
Forests,
Journal Year:
2025,
Volume and Issue:
16(2), P. 375 - 375
Published: Feb. 19, 2025
The
bioactivity
of
the
Ailanthus
altissima
crude
leaf
extract
(CLE)
and
a
incorporated
into
biopolymer
matrix
(BPM)
was
tested
against
Lymantria
dispar
larvae.
extracts
those
chitosan–gelatin
polymer
were
examined
in
choice
non-choice
assays
at
0.01,
0.05,
0.5,
1%
concentrations
for
feeding
deterrent
activity,
contact,
digestive
toxicity.
CLE
exhibited
moderate
activity
all
concentrations,
whereas
BPM
showed
very
strong
effect
0.5%
0.1%
0.01%.
No
significant
differences
or
contact
toxicity
observed
between
groups
control
groups.
also
influenced
larval
behavior
after
digestion,
decreasing
consumption
growth
increasing
development
time.
higher
compared
to
group
is
attributed
its
high
content
total
phenols,
flavonoids,
tannins,
enhanced
due
incorporation
matrix.
Given
absence
toxicity,
can
be
recommended
as
potential
environmentally
friendly
bioproduct
forest
pest
field
evaluation.
Gels,
Journal Year:
2025,
Volume and Issue:
11(2), P. 125 - 125
Published: Feb. 8, 2025
The
integration
of
natural
extracts
into
gel
systems
has
emerged
as
a
transformative
approach
to
enhance
functional
properties,
including
antioxidant,
antimicrobial,
and
therapeutic
effects.
This
review
underscores
the
remarkable
potential
extract-enriched
gels,
which
effectively
combine
sustainability
with
improved
functionality.
These
bioactive
compounds,
sourced
from
plants
animals,
encompass
polyphenols,
flavonoids,
essential
oils,
chitosan,
proteins,
polysaccharides.
They
provide
an
eco-friendly
alternative
synthetic
additives
find
applications
across
various
sectors,
pharmaceuticals,
cosmetics,
food
packaging.
Despite
their
promise,
challenges
remain,
such
variability
in
extract
composition,
stability
scalability
for
industrial
use.
To
address
these
issues,
innovative
strategies
like
nanoencapsulation,
responsive
hydrogels,
AI-driven
optimization
have
demonstrated
significant
progress.
Additionally,
emerging
technologies,
3D
printing
adherence
circular
economy
principles,
further
versatility,
efficiency,
systems.
By
integrating
advanced
tools
methodologies,
enriched
are
well-positioned
meet
contemporary
consumer
demands
multifunctional
products.
innovations
not
only
improve
performance
but
also
align
global
goals,
setting
stage
widespread
adoption
continued
development
fields.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2394 - 2394
Published: Feb. 24, 2025
This
study
investigates
the
use
of
chitosan,
extracted
from
pink
shrimp
shells,
as
a
stabilizer
for
argan
oil
nanoemulsions.
Chitosan
was
obtained
through
demineralization,
deproteination,
bleaching,
deacetylation,
and
purification,
then
characterized
potentiometric
titration,
viscometry,
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
purity
assessments.
The
resulting
chitosan
used
to
stabilize
nanoemulsions
formulated
with
extra-virgin
nonionic
surfactant
using
phase
inversion
composition
(PIC)
method.
stability
nanoemulsion
assessed
light
scattering,
zeta
potential,
viscosity,
pH
measurements.
exhibited
high
purity,
deacetylation
degree
88.34%,
molecular
weight
408.809
kDa,
crystalline
index
66.36%.
significantly
improved
stability,
maintaining
droplet
integrity
over
six
months
at
40
°C.
Higher
concentrations
increased
size,
indicating
strong
polymer
adsorption.
These
findings
demonstrate
potential
waste-derived
sustainable
nanoemulsions,
promoting
effective
bioactive
compound
delivery
environmental
sustainability.
