Marine Drugs,
Journal Year:
2024,
Volume and Issue:
22(10), P. 460 - 460
Published: Oct. 7, 2024
A
critical
review
and
analysis
of
the
literature
relevant
to
phenolic
content
eucaryotic
microalgae
was
performed.
Several
issues
were
identified
discussed.
In
summary,
main
problems
with
reporting
on
are
following:
(1)
despite
its
usefulness
in
determination
plant
samples,
Folin–Ciocalteu
assay
is
non-suitable
for
microalgal
research
due
high
presence
interfering
compounds
extracts
such
as
chlorophyll
derivatives
organic
free
aromatic
amino
acids
or
nucleotides
aqueous
extracts;
(2)
while
there
chromatographic
evidence
simple
most
clades,
lack
enzymes
biosynthesis
microalgae,
well
variability
profiles
even
same
genus,
require
more
extensive
before
conclusions
drawn;
(3)
accumulation
metabolism
external
phenolics
by
has
been
almost
universally
neglected
studies
focusing
when
natural
seawater
complex
media
used
cultivation
process.
Despite
these
issues,
bioremediation
waste
streams
rich
through
demonstrates
ability
those
organisms
adsorb,
internalize,
many
cases
oxidize
transform
a
wide
range
compounds,
at
very
concentrations.
Simple
found
streams,
olive
mill
waste,
have
shown
enhance
antioxidant
activity
various
bioactivities
extracts,
biotransformation
products
also
characterized.
conclusion,
de
novo
via
requires
further
investigation
better
designed
experiments
suitable
analytical
methods,
response
their
growth
medium
great
practical
interest,
both
terms
treatment
production
functional
foods,
cosmetics,
pharmaceuticals.
TrAC Trends in Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
169, P. 117410 - 117410
Published: Oct. 30, 2023
The
search
for
new
natural
ingredients
with
beneficial
impacts
on
human
health
is
a
growing
trend
that
has
arrived
to
answer
consumer's
demands.
Plant-based
products
like
herbs,
fruits,
vegetables,
or
fungi,
as
well
macro-
and
microalgae,
are
valuable
sources
of
these
bioactive
ingredients.
Moreover,
the
valorization
food
by-products
by
means
environmentally
friendly
techniques
hot
research
topic
today.
In
this
context,
use
compressed
fluids-based
extraction
techniques,
such
pressurized
liquid
(PLE),
supercritical
fluid
(SFE),
gas-expanded
liquids
(GXL)
been
demonstrated
possess
great
potential
recovery
compounds.
This
work
an
update
our
series
reviews
present
latest
more
significant
advances
in
fluids
compounds
from
plant,
algae
by-product
biomasses,
covering
period
2019
present.
Biomass,
Journal Year:
2023,
Volume and Issue:
3(3), P. 306 - 322
Published: Sept. 18, 2023
In
recent
years,
the
production
of
food
biomass
waste
has
been
increasing
rapidly.
This
necessitates
urgent
measures
to
be
taken
so
as
utilize
them.
Since
most
contains
useful
bioactive
substances,
cloud-point
extraction
(CPE)
emerged
a
promising
solution
valorize
waste.
CPE
is
an
method
employed
for
and
preconcentration
various
chemical
compounds,
including
polyphenols
flavonoids.
As
with
any
other
procedure,
isolates
target
compound(s)
from
sample,
resulting
in
increased
recovery.
One
major
advantage
that
carried
out
without
special
equipment
or
harmful
reagents.
Moreover,
significant
advantages
are
its
effectiveness,
simplicity,
safety,
rapidity.
review
focuses
on
compounds
food-based
using
highlights
important
parameters
can
tuned
improve
performance
CPE.
Furthermore,
potential
promoting
environmentally
friendly
practices
within
industry
also
discussed.
Food and Bioprocess Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Natural
colorants
have
become
a
developing
market
because
of
consumer
preferences,
and
more
cost-effective
stable
production
is
necessary.
In
the
present
study,
natural
green
colorant
was
obtained
via
microwave-assisted
extraction
from
spinach
waste
to
produce
affordable,
environmentally-friendly,
innovative
colorants.
The
extracts
were
encapsulated
with
zein
uniaxial
coaxial
electrospinning
techniques
overcome
stability
issues
associated
their
color.
encapsulation
efficiencies
uniaxially
chlorophyll
extracted
by
microwave
63.50
57.18
for
b
,
respectively.
found
49.53%
88.58%,
addition
eumelanin
may
contribute
positively
antioxidant
activity
thermal
electrospun
samples.
test
against
light
revealed
that
61%
could
be
preserved
electrospinning.
addition,
when
chlorophyll-loaded
nanofibers
incorporated
into
yogurt,
color
achieved
during
storage.
Phycology,
Journal Year:
2025,
Volume and Issue:
5(1), P. 8 - 8
Published: Feb. 20, 2025
This
study
aim
to
compare
the
extraction
yield,
antioxidant
potential,
and
chemical
composition
of
Chaetoceros
costatus
extracted
with
acetone,
ethanol,
hexane.
The
freeze-dried
diatom
biomass
was
by
ultrasonication
for
1
h
at
40
°C.
capacity
determined
using
2,2-diphenyl-1-picrylhydrazyl
(DPPH)
radical
scavenging
oxygen
absorbance
(ORAC),
while
profiles
extracts
were
analyzed
high-performance
liquid
chromatography
high-resolution
mass
spectrometry
electrospray
ionization
(UHPLC-ESI-HRMS).
ORAC
assay
showed
a
27%
higher
activity
acetone
extract,
DPPH
almost
3-fold
inhibition.
Pigments,
fatty
acids,
sterols,
their
derivatives
identified
in
all
extracts.
ethanolic
acetonic
did
not
differ
significantly,
hexane
yielded
fewest
compounds.
results
this
will
contribute
challenges
that
limit
biotechnological
application
exploitation
diatoms.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 12, 2025
This
work
aimed
to
extract
hemp
seed
oil
using
modified
supercritical
CO2
with
ethanol,
while
optimizing
the
overall
process
through
response
surface
methodology.
The
effects
of
extraction
temperature
(30-60
°C),
pressure
(10-20
MPa),
and
time
(120-300
min)
on
yield,
total
phenols
(TPC),
tocopherols,
oxidative
stability
index
(OSI),
chlorophylls,
carotenoids,
quality
indices,
color
were
assessed.
For
a
maximum
yield
28.83
g/100
g
fresh
seeds,
was
extracted
at
50
°C
20
MPa
for
244
min.
In
addition,
different
proportions
ethanol
(2.5-20%)
under
optimized
SFE
conditions
also
tested
enhancing
phenolic
compound
extractability
in
oil.
best
proportion
10%
which
significantly
increased
30.13%,
TPC
294.15
GAE
mg/kg,
tocopherols
484.38
OSI
28.01
h,
without
affecting
parameters
fatty
acid
profile.
Furthermore,
compounds
oils
analyzed
via
HPLC-DAD/ESI-MS2.
These
findings
indicated
that
enhanced
compounds,
26
identified.
Among
these,
most
abundant
N-trans-caffeoyltyramine,
cannabisins
A
B,
concentrations
50.32,
13.72,
16.11
mg/kg
oil,
respectively.
obtained
by
SC-CO2
+
could
be
valorized
evaluating
its
biological
activities
anti-aging,
dermato-protective
antimicrobial
properties
use
cosmetics,
pharmaceutical
food
applications.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 22, 2025
Liquorice
(Glycyrrhiza
glabra
L.)
root
extract
has
been
used
as
a
natural
medicine
and
sweetener
for
long
time
in
many
parts
of
the
world.
As
result,
there
considerable
emphasis
on
developing
efficient
environmentally
friendly
methods
extracting
bioactive
components
from
root.
This
work
aims
to
examine
using
combined
ultrasonic-cold
plasma
reactor
elevate
extraction
efficiency.
Different
parameters,
including
time,
ultrasonic
power,
argon-to-air
ratio,
were
investigated
Response
Surface
Methodology
(RSM)
Box-Behnken
design
raise
quality.
The
total
phenol
flavonoid
content
antioxidant
activity
calculated
evaluate
this
approach,
Glycyrrhizic
acid
was
quantified
by
HPLC
(High-performance
liquid
chromatography).
Results
showed
that
combining
greatly
raised
yield
compared
conventional
maceration
single-method
methods.
Particularly,
10.23,
15.96,
13.29%,
21.47,
22.19,
42.41%,
10.84%,
12.38%,
15.89%
increased
ultrasonic,
cold
plasma,
technique,
respectively,
technique.
Optimization
different
techniques
best
quality
came
mix
composition,
time.
study
demonstrates
technique
is
effective
efficient,
technology
potential
new
method
present
more
sustainable
substitute
premium
extracts
medicinal
commercial
uses.
