Journal of Health and Rehabilitation Research,
Journal Year:
2024,
Volume and Issue:
4(1), P. 1701 - 1705
Published: March 31, 2024
Background:
Flavonoids
are
recognized
for
their
extensive
health
benefits,
including
antioxidant,
anti-inflammatory,
antimicrobial,
and
neuroprotective
effects.
Traditional
methods
flavonoid
extraction,
often
dependent
on
toxic
solvents
high
energy
inputs,
have
prompted
the
exploration
of
more
sustainable
efficient
extraction
techniques.
This
movement
aligns
with
global
shift
towards
greener
methodologies
that
promise
to
enhance
purity
yield
these
vital
phytochemicals
therapeutic
purposes.
Objective:
In
this
hypothesis-driven
study,
we
aimed
evaluate
effectiveness
advanced
green
technologies—microwave-assisted
(MAE),
supercritical
fluid
(SFE),
ultrasound-assisted
(UAE)—for
isolating
flavonoids
from
botanical
sources.
A
secondary
objective
was
assess
antioxidant
capabilities
extracted
flavonoids,
thereby
linking
efficiency
process
bioactivity
compounds.
Methods:
The
study
utilized
MAE,
SFE,
UAE
extract
a
predetermined
plant
source,
optimizing
parameters
each
method
maximize
activity.
quantitatively
measured
in
mg
per
gram
dry
material,
while
capacity
evaluated
using
DPPH
(2,2-diphenyl-1-picrylhydrazyl)
assay,
focusing
percentage
radical
scavenging
Results:
Our
findings
indicated
MAE
most
method,
producing
120
mg/g
an
85%
SFE
followed,
yields
100
90
mg/g,
capacities
80%
75%
activity,
respectively.
These
results
not
only
supported
our
hypothesis
techniques
could
outperform
traditional
extracting
but
also
highlighted
as
superior
technique
terms
both
efficacy.
Conclusion:
validates
potential
technologies,
particularly
microwave-assisted
effective
alternatives
conventional
methods.
By
extracts,
technologies
pave
way
significant
advancements
pharmaceutical
nutraceutical
industries,
fostering
deeper
understanding
utilization
wellness.
Preparative Biochemistry & Biotechnology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 27
Published: Dec. 24, 2024
With
numerous
advantages
over
conventional
techniques,
ultrasound-assisted
extraction
(UAE)
has
become
a
viable
method
for
the
effective
of
biomolecules
from
prokaryotic
and
eukaryotic
cells.
The
fundamentals
workings
UAE
are
examined
in
this
review,
focusing
on
current
developments,
including
how
these
impact
proteins,
lipids,
enzymes,
other
bioactive
compounds.
not
only
enhances
cell
disruption
mass
transfer,
leading
to
improved
yields,
but
also
preserves
integrity
extracted
molecules
under
optimized
conditions,
making
it
preferred
choice
Biochemistry
Biotechnology.
Additionally,
review
explores
recent
innovative
approaches
that
combine
ultrasound
with
techniques
like
enzymatic
digestion,
supercritical
CO
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(23), P. 12959 - 12959
Published: Dec. 4, 2023
Efficient
induction
of
astaxanthin
(AXT)
biosynthesis
remains
a
considerable
challenge
for
the
industrialization
biorefinement
microalga
Haematococcus
lacustris.
In
this
study,
we
evaluated
technical
feasibility
photosynthetic
electrotreatment
to
enhance
AXT
accumulation
in
H.
The
content
lacustris
electrotreated
at
an
optimal
current
intensity
(10
mA
4
h)
was
21.8%
34.9%
higher
than
that
untreated
control
group,
depending
on
physiological
state
initial
palmella
cells.
contents
other
carotenoids
(i.e.,
canthaxanthin,
zeaxanthin,
and
β-carotene)
were
also
increased
by
electrotreatment.
However,
when
cells
exposed
more
intense
electric
treatments,
particularly
20
30
mA,
cell
viability
significantly
decreased
84.2%
65.6%,
respectively,
with
concurrent
reduction
both
three
compared
those
group.
cumulative
effect
stimulation
is
likely
related
two
opposing
functions
reactive
oxygen
species,
which
facilitate
as
signaling
molecules
while
causing
cellular
damage
oxidizing
radicals.
Collectively,
our
findings
indicate
adequately
controlled,
can
be
effective
eco-friendly
strategy
inducing
targeted
carotenoid
pigments
microalgae.
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
33, P. 103478 - 103478
Published: Dec. 10, 2023
Tetraselmis
sp.
microalgae
biomass
co-digestion
with
frying
oil
residue
was
investigated
without
or
an
ultrasonication
pretreatment
to
enhance
methane
production.
Interestingly,
compared
untreated
biomass,
sonication
using
specific
energy
of
1.6
kJ/g
VS
significantly
improved
production
by
60.5%.
However,
increasing
3.2
decreased
the
positive
balance
whole
process
from
8.6
5.5
±
0.3
VS.
Furthermore,
it
demonstrated
that
correction
C/N
ratio
waste
coupled
resulted
in
highest
yield
443.7
6.4
ml
CH4/g
and
gains
14.1
0.2
This
study
proved
presence
a
complementary
effect
between
on
recovery.
Low
is
recommended
as
before
anaerobic
digestion.
The
high
protein
content
of
several
microalgal
species
makes
them
attractive
and
unconventional
for
applications
in
the
food
pharmaceutical
industries.
Due
to
microalgae's
robust
cell
wall,
rupture
is
necessary
improve
extraction
their
intracellular
proteins.
Thus,
choosing
a
suitable
cell-breaking
treatment
before
vital
downstream
processing
step.
Additionally,
it
use
an
effective
technique
monitoring
measuring
impact
treatments
on
walls.
In
our
study,
Tetradesmus
obliquus
cells
were
disrupted
by
three
different
mechanical
methods:
high-pressure
homogenization
(HPH),
ultrasound
(US),
ball
milling
(BM).
ruptured
biomass
counted,
soluble
proteins
extracted
quantified.
counting
did
not
detect
differences
between
intact
damaged
after
BM
because
dye
(erythrosine
B)
permeate
microalgae
accurately.
US
promoted
highest
yield
total
(19.95%).
yields
T.
with
HPH
(15.68%)
(14.11%)
significantly
(p
value
≤
0.05)
lower
than
that
achieved
treatment.
increase
number
steps
increased
recovery.
was
reliable
indirect
index
quantitative
comparison
disruption
level.
Journal of Health and Rehabilitation Research,
Journal Year:
2024,
Volume and Issue:
4(1), P. 1701 - 1705
Published: March 31, 2024
Background:
Flavonoids
are
recognized
for
their
extensive
health
benefits,
including
antioxidant,
anti-inflammatory,
antimicrobial,
and
neuroprotective
effects.
Traditional
methods
flavonoid
extraction,
often
dependent
on
toxic
solvents
high
energy
inputs,
have
prompted
the
exploration
of
more
sustainable
efficient
extraction
techniques.
This
movement
aligns
with
global
shift
towards
greener
methodologies
that
promise
to
enhance
purity
yield
these
vital
phytochemicals
therapeutic
purposes.
Objective:
In
this
hypothesis-driven
study,
we
aimed
evaluate
effectiveness
advanced
green
technologies—microwave-assisted
(MAE),
supercritical
fluid
(SFE),
ultrasound-assisted
(UAE)—for
isolating
flavonoids
from
botanical
sources.
A
secondary
objective
was
assess
antioxidant
capabilities
extracted
flavonoids,
thereby
linking
efficiency
process
bioactivity
compounds.
Methods:
The
study
utilized
MAE,
SFE,
UAE
extract
a
predetermined
plant
source,
optimizing
parameters
each
method
maximize
activity.
quantitatively
measured
in
mg
per
gram
dry
material,
while
capacity
evaluated
using
DPPH
(2,2-diphenyl-1-picrylhydrazyl)
assay,
focusing
percentage
radical
scavenging
Results:
Our
findings
indicated
MAE
most
method,
producing
120
mg/g
an
85%
SFE
followed,
yields
100
90
mg/g,
capacities
80%
75%
activity,
respectively.
These
results
not
only
supported
our
hypothesis
techniques
could
outperform
traditional
extracting
but
also
highlighted
as
superior
technique
terms
both
efficacy.
Conclusion:
validates
potential
technologies,
particularly
microwave-assisted
effective
alternatives
conventional
methods.
By
extracts,
technologies
pave
way
significant
advancements
pharmaceutical
nutraceutical
industries,
fostering
deeper
understanding
utilization
wellness.
