ACS Sustainable Resource Management,
Journal Year:
2023,
Volume and Issue:
1(1), P. 165 - 177
Published: Nov. 29, 2023
To
address
the
grand
challenges
of
valorizing
agricultural
biomass
(AB)
residues,
processes
such
as
extraction
phytochemicals
need
to
align
with
principles
green
chemistry
and
sustainability.
In
this
regard,
Natural
Deep
Eutectic
Solvents
(NaDESs)
are
being
utilized
extract
value-added
compounds
from
AB,
thanks
their
biodegradability,
cost-effectiveness,
low
toxicity.
The
objective
research
was
valorize
bell
pepper
AB
residues
(stalks
leaves)
through
glycosylated
flavonoids
antioxidant
activity.
achieve
this,
24
NaDESs
were
designed
based
on
choline
chloride
(ChCl)
various
hydrogen
bond
donors,
including
carboxylic
acids
alcohols.
capacities
for
total
two
model
flavonoids,
quercitrin
(quercetin
3-O-rhamnoside)
(Q3O-R)
cynaroside
(luteolin
7-O-glucoside)
(L7O-G),
systematically
evaluated.
Two
crucial
parameters,
time
(measured
in
seconds)
ultrasonic
amplitude
Watts),
optimized
using
a
central
composite
rotatable
design
(CCRD).
high
content
bioactive
present
demonstrated
by
ChCl/1,6-hexanediol
1:1
molar
ratio
30
wt
%
water
(10.31
±
0.16
mg
quercetin
equivalent/g
dry
AB).
pulse-assisted
NaDES
method
outperformed
results
obtained
conventional
hydroethanolic
extraction.
Therefore,
represent
an
efficient
greener
alternative
organic
solvents
extracting
compounds,
natural
antioxidants,
resilient
lignocellulosic
residues.
Processes,
Journal Year:
2023,
Volume and Issue:
11(3), P. 840 - 840
Published: March 10, 2023
The
rapid
growth
of
the
global
population
and
changes
in
lifestyle
have
led
to
a
significant
increase
food
waste
from
various
industrial,
agricultural,
household
sources.
Nearly
one-third
produced
annually
is
wasted,
resulting
severe
resource
depletion.
Food
contains
rich
organic
matter,
which,
if
not
managed
properly,
can
pose
serious
threat
environment
human
health,
making
proper
disposal
an
urgent
issue.
However,
types
waste,
such
as
fruit,
vegetables,
grains,
other
production
processing,
contain
important
bioactive
compounds,
polyphenols,
dietary
fiber,
proteins,
lipids,
vitamins,
acids,
minerals,
some
which
are
found
greater
quantities
discarded
parts
than
accepted
by
market.
These
compounds
offer
potential
convert
into
value-added
products,
fields
including
nutritional
foods,
bioplastics,
bioenergy,
biosurfactants,
biofertilizers,
single
cell
proteins
welcomed
novel
source.
This
review
reveals
latest
insights
sources
utilizing
it
thus
enhancing
people’s
confidence
better
managing
waste.
TrAC Trends in Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
161, P. 116994 - 116994
Published: Feb. 24, 2023
The
recycling
and
revalorization
of
wastes
from
the
agri-food
industry
(AFI)
have
emerged
in
scientific
scenario
as
a
multidisciplinary
working
field
framework
circular
bioeconomy.
Residues
side
materials
AFI
result
great
source
raw
products
with
increasing
social
economic
impact.
In
this
regard,
phenolic
compounds
are
possibly
most
relevant
group
phytochemicals
because
their
multiple
healthy
properties,
including
antioxidant,
anti-inflammatory,
hypolipidemic,
antibacterial
activities.
Among
other
sources,
olive
oil,
winemaking,
fruit
vegetable
juice
been
considered
to
assess
revalorization.
paper
reviews
recovery
characterization
waste
extracts
generate
by-products
rich
polyphenols
for
chemical,
nutraceutical,
food
science
applications.
Polyphenols
recovered
by
solvent
extraction
conventional
advanced
techniques.
resulting
complex,
major
should
be
identified
quantified.
profiling
analytes
such
proanthocyanins,
curcuminoids,
resveratrol
derivatives,
caffeic
acids,
oleuropein
is
often
performed
liquid
chromatography
UV/Vis
or
fluorescence
detection.
Additionally,
coupled
mass
spectrometry
technique
choice
unambiguous
identification
target
structural
elucidation
new
unknown
molecules.
Complementarily,
antioxidant
activity
can
determined
using
spectrophotometric
assays.
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(1), P. 124 - 124
Published: Jan. 18, 2024
The
extraction
of
bioactive
compounds
pharmaceutical
interest
from
natural
sources
has
been
significantly
explored
in
recent
decades.
However,
the
techniques
used
were
not
very
efficient
terms
time
and
energy
consumption;
additionally,
solvents
for
harmful
environment.
To
improve
environmental
impact
extractions
at
same
increase
yields,
several
new
developed.
Among
most
ones
are
ultrasound-assisted
microwave-assisted
extraction.
These
increased
yield
selectivity
a
smaller
amount
with
decrease
consumption.
Nevertheless,
high
volume
organic
was
still
extraction,
causing
subsequent
problem.
Neoteric
appeared
as
green
alternatives
to
solvents.
neoteric
solvents,
deep
eutectic
evidenced
be
one
best
due
their
intrinsic
characteristics.
considered
because
they
made
up
such
sugars,
amino
acids,
carboxylic
acids
having
low
toxicity
degradability.
In
addition,
simple
prepare,
an
atomic
economy
100%,
attractive
physicochemical
properties.
Furthermore,
huge
number
that
can
synthesize
these
make
them
useful
since
tailored
selective
towards
specific
component
or
class
components.
main
aim
this
paper
is
give
comprehensive
review
which
describes
properties,
characteristics,
production
methods
well
its
application
extract
interest.
Additionally,
overview
more
sustainable
also
given.
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
171, P. 117536 - 117536
Published: Jan. 11, 2024
Concerning
the
high
impact
of
climatic
change
in
environment,
scientific
community
has
focused
on
a
circular
economy
perspective
and
revalorization
waste
generated
by
food
industry
for
bioactive
uses.
These
applications
are
possible
due
to
presence
compounds
these
wastes.
In
this
sense,
phenolic
highlight
their
positive
health
implications,
as
they
possess
potent
activity
prevent
diseases
such
cancer,
inflammation
obesity,
among
others.
For
purpose,
optimized
extraction
target
from
by-products
with
novel
green
chemistry
approach,
using
environmentally
clean
friendly
techniques,
commonly
known
extractions,
well
those
permitted
foods
safe
(GRAS
solvents)
is
applied.
Following
research
line,
systematic
review
was
conducted
different
databases
(Web
Science,
PubMed
Scopus)
following
PRISMA
guidelines
assess
optimization
GRAS
solvent
techniques
by-products,
best
conditions,
experimental
design
applied
obtained
maximum
amounts
interest,
considering
published
date.
Thus,
67
studies
282
records
identified
met
inclusion
criteria.
A
distinction
been
made
between
technologies
used
processes,
paying
special
attention
designs
independent
variables.
Finally,
quantitative
qualitative
comparison
matrices
studied.
Forests,
Journal Year:
2024,
Volume and Issue:
15(8), P. 1372 - 1372
Published: Aug. 6, 2024
Biomass
waste,
which
is
biodegradable
and
vastly
underutilized,
generated
in
huge
quantities
worldwide.
Forestry
agricultural
biomass
wastes
are
notable
for
their
wide
availability,
high
yield,
biodegradability,
recyclability.
The
accumulation
of
these
not
only
occupies
valuable
land
but
causes
serious
environmental
pollution,
can
ultimately
harm
human
health.
Therefore,
leveraging
scientific
technology
to
convert
forestry
bio-waste
into
bioenergy
other
products
crucial.
In
this
paper,
common
such
as
straw,
rice
husks,
livestock
manure,
tree
branches,
sawdust,
(bioethanol,
biogas,
biodiesel,
biohydrogen)
were
selected
keywords,
with
the
theme
green
efficient
utilization.
This
paper
provides
a
comprehensive
review
sources
existing
recycling
technologies,
potential
material
additives
conversion
energy
derivatives,
along
future
prospects.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(3), P. 622 - 622
Published: March 2, 2023
An
ultrasound-assisted
extraction
method,
employing
ethanol
and
water
as
solvents
at
low
temperature
(30
°C)
reduced
time
(15
min),
was
proposed
to
extract
bioactive
molecules
from
different
cultivars
(Magliocco
Canino,
Magliocco
Rosato,
Gaglioppo,
Nocera
Rosso)
of
wine
lees.
All
the
yields
were
evaluated
their
contents
phenolic
acids,
flavonoids,
total
polyphenols
determined
by
means
colorimetric
assays
high-performance
liquid
chromatography
coupled
with
diode-array
detection
(HPLC-DAD)
Fourier
transform
infrared
(FTIR)
techniques.
Radical
scavenging
performed
Canino
extracted
a
hydroalcoholic
mixture
returned
best
results
both
against
ABTS
(0.451
mg
mL−1)
DPPH
(0.395
radicals.
The
chemometric
algorithms
principal
component
analysis
(PCA)
partial
least
square
regression
(PLS)
used
process
data
obtained
all
qualitative–quantitative
sample
determinations
aim
highlighting
patterns
finding
possible
correlations
between
composition
antioxidant
features
lees
procedures.
Wine
Rosato
found
be
vegetable
matrices
in
terms
metabolite
content
properties.
components
alcoholic
or
solvents,
specifically
(−)-epigallocatechin
gallate,
chlorogenic
acid,
trans-caftaric
correlated
capacity
extracts.
Multivariate
processing
able
identify
compounds
related
features.
Two
PLS
models
optimized
using
concentration
levels
predict
IC50
values
extracts
high
correlation
coefficient
R2,
0.932
0.824,
respectively,
prediction
error
lower
than
0.07.
Finally,
cellular
(SH-SY5Y
cells)
on
(the
cv)
confirm
its
biological
performance
radical
species.
these
recorded
strongly
outline
aptness
valorizing
valuable
source
antioxidants.