Processes,
Journal Year:
2023,
Volume and Issue:
11(11), P. 3192 - 3192
Published: Nov. 8, 2023
Research
into
extraction
kinetics
is
one
of
the
crucial
factors
in
a
technological
process.
Extraction
used
predominantly
when
working
with
organic
feedstock.
The
study
substance
complex
process,
which
influenced
by
large
number
factors.
This
paper
presents
an
analysis
these
factors,
namely
influence
reverse
sorption
on
process
release
from
matrix.
Sorption
can
directly
affect
intraparticle
diffusion
constants
and,
consequently,
rate
substance.
Using
buckwheat
husk
as
example,
its
capacity
was
assessed
to
assess
factor
melanin
release.
To
select
optimal
parameters
chemical
experiment
carried
out
at
temperatures
40,
50,
and
60
degrees
Celsius.
Axelrud
Baker–Lonsdale
equations
were
describe
kinetic
models.
Foods,
Journal Year:
2024,
Volume and Issue:
13(6), P. 969 - 969
Published: March 21, 2024
Silkie
chicken,
an
important
chicken
breed
with
high
medicinal
and
nutritional
value,
has
a
long
history
of
being
used
as
dietary
supplement
in
China.
However,
the
compounds
health-promoting
effects
chickens
remain
unclear.
In
present
study,
we
conducted
comprehensive
analysis
metabolic
lipidomic
profiles
to
identify
characteristic
bioactive
chickens,
using
common
control.
The
results
showed
that
levels
13
metabolites
including
estradiol,
four
lipid
subclasses
cardiolipin
(CL),
eight
molecules,
three
fatty
acids
docosahexaenoic
acid
(C22:6)
were
significantly
increased
which
have
physiological
activities
such
resisting
chronic
diseases
improving
cognition.
These
on
meat
quality
characteristics,
its
water-holding
capacity
umami
taste
increasing
content
aromatic
phenols.
differentially
expressed
genes
(DEGs)
between
two
breeds
revealed
regulatory
network
for
these
compounds.
Fifteen
DEGs,
HSD17B1,
are
involved
synthesis
metabolites.
Eleven
ELOVL2,
transport
lipids
acids.
summary,
identified
analyzed
their
characteristics.
This
study
provided
insight
into
functional
food.
Small,
Journal Year:
2024,
Volume and Issue:
20(24)
Published: Jan. 9, 2024
Abstract
Nanomaterials
with
biomimetic
catalytic
abilities
have
attracted
significant
attention.
However,
the
stereoselectivity
of
natural
enzymes
determined
by
their
unique
configurations
is
difficult
to
imitate.
In
this
work,
a
kind
chiral
Cu
x
Co
y
S‐Cu
z
S
nanoflowers
(
L
/
D
‐Pen‐NFs)
developed,
using
porous
nanoparticles
(NPs)
as
stamens,
sheets
petals,
and
penicillamine
surface
stabilizers.
Compared
laccase
enzyme,
‐Pen‐NFs
exhibit
advantages
in
efficiency,
stability
against
harsh
environments,
recyclability,
convenience
construction.
Most
importantly,
they
display
high
enantioselectivity
toward
neurotransmitters,
which
proved
‐
‐Pen‐NFs’
different
efficiencies
enantiomers.
are
more
efficient
catalyzing
oxidation
‐epinephrine
‐dopamine
compared
‐Pen‐NFs.
efficiency
oxidizing
‐norepinephrine
‐DOPA
lower
than
that
The
reason
for
difference
distinct
binding
affinities
between
nano‐enantiomers
molecules.
This
work
can
spur
development
nanostructures
functions.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(11), P. 5862 - 5862
Published: May 28, 2024
Nanotechnology
is
revolutionizing
fields
of
high
social
and
economic
impact.
such
as
human
health
preservation,
energy
conversion
storage,
environmental
decontamination,
art
restoration.
However,
the
possible
global-scale
application
nanomaterials
raising
increasing
concerns,
mostly
related
to
toxicity
materials
at
nanoscale.
The
possibility
using
in
cosmetics,
hence
products
aimed
be
applied
directly
body,
even
just
externally,
strongly
debated.
Preoccupation
arises
especially
from
consideration
that
are
synthetic
origin,
often
seen
"artificial"
their
effects
unpredictable.
Melanin,
this
framework,
a
unique
material
since
nature
it
plays
important
roles
specific
cosmetics
cover,
photoprotection
hair
skin
coloration.
Moreover,
melanin
present
form
nanoparticles,
clearly
observable
ink
some
animals,
like
cuttlefish.
artificial
nanoparticles
share
same
biocompatibility
natural
ones
chemical
photochemical
properties.
Melanin
nanocosmetic
agent,
but
its
actual
still
under
development,
also
because
regulatory
issues.
Here,
we
critically
discuss
most
recent
examples
biomimetic
highlight
requirements
future
steps
would
improve
melanin-based
view
applications
everyday
market.
Foods,
Journal Year:
2023,
Volume and Issue:
12(21), P. 3963 - 3963
Published: Oct. 30, 2023
Squid
ink
melanin
can
be
efficiently
extracted
from
the
byproduct
sac
generated
during
squid
processing.
As
a
natural
food
colorant,
it
possesses
inherent
antioxidant
properties
and
capability
to
adsorb
heavy
metals.
This
study
aims
investigate
solubility
of
water-soluble
(WSSM)
obtained
sac,
as
well
its
stability
under
various
conditions
including
temperature,
pH,
salt,
sugar,
potassium
sorbate,
metal
ions,
sodium
benzoate,
sulfite
(reducing
agent),
hydrogen
peroxide
(oxidizing
agent).
Moreover,
explores
scavenging
effects
WSSM
on
free
radicals
cadmium
ions.
The
findings
suggest
that
WSSM’s
is
insignificantly
affected
by
high
sucrose,
salt.
However,
acidity,
(Na2SO3),
(H2O2)
significantly
influence
stability.
Most
ions
do
not
impact
WSSM,
except
for
Fe2+,
Fe3+,
Al3+,
Cu2+,
which
result
in
precipitation
WSSM.
Additionally,
exhibits
remarkable
activity
with
IC50
values
0.91,
0.56,
0.52
mg/mL
superoxide
anion
(O2−·),
hydroxyl
(·OH),
DPPH
radicals,
respectively.
It
also
demonstrates
ability
Cd2+,
adsorption
rate
gradually
increasing
higher
temperature
larger
amounts
added.
Infrared
spectroscopy
analysis
reveals
weakening
characteristic
peaks
(-COOH
-OH)
process
Cd2+
while
SEM
confirms
surface
roughening
structural
damage
after
adsorption.
provides
valuable
insights
utilization
products
antioxidants
adsorbents
industry.
Food Bioengineering,
Journal Year:
2024,
Volume and Issue:
3(1), P. 97 - 109
Published: March 1, 2024
Abstract
This
study
aimed
to
assess
the
effects
of
spouted
bed
(SB)
drying
and
freeze‐drying
(FD)
on
properties
probiotic
umbu‐cajá
pulp.
The
strain
Bifidobacterium
animalis
ssp.
lactis
was
employed
obtain
this
Initially,
conducted
with
two
separate
experimental
designs,
one
for
SB
another
FD,
encompassing
variables
such
as
inlet
temperature
concentrations
adjuvants
(maltodextrin
inulin).
approach
identify
most
favorable
conditions
in
terms
yield
cell
viability.
Both
methods
proved
effective
preserving
cells,
comparable
viable
counts
(12
Log
CFU
g
−1
)
process
up
30.68%.
Additionally,
FD
exhibited
advantages
increasing
levels
bioactive
compounds,
including
phenolics
carotenoids,
final
product.
In
contrast,
stood
out
retaining
carotenoids
exhibiting
lower
degradation
ascorbic
acid.
summary,
demonstrated
that
both
are
promising
approaches
producing
powders
from
However,
selection
between
should
be
guided
by
specific
production
goals,
considering
desired
characteristics
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(18), P. 7115 - 7125
Published: April 19, 2024
Melanin
is
a
widely
occurring
biopolymer
and
has
been
the
subject
of
much
research,
especially
in
dermatology.
However,
from
resource
perspective,
melanin
still
an
unutilized
biomass
because
its
complex
three-dimensional
cross-linked
structure,
which
makes
it
challenging
to
handle.
Here,
we
demonstrate
upcycling
by
decomposing
preparing
polymeric
materials
products.
A
detailed
study
chemical
decomposition
products
artificial
melanin,
i.e.,
polydopamine,
reveals
that
are
mainly
oligomeric
pyrrole
derivatives
containing
carboxylic
acids.
Furthermore,
experiments
using
natural
extracted
cuttlefish
ink
revealed
composition
almost
identical
regardless
source.
We
proposed
mechanism
demonstrated
preparation
biobased
polymer
films
particles
The
use
as
building
blocks
for
material
expected
lead
development
new
biodegradable
polymers
biomass.