Biomass
is
the
only
renewable
hydrocarbon
resource
on
Earth
and
therefore
plays
an
essential
role
in
a
future
sustainable
society.
Nevertheless,
biomass
underutilized
for
production
of
chemicals,
instead
burned
energy
or
left
compost.
Derived
from
biogenic
carbohydrates,
gamma-valerolactone
(GVL)
holds
pivotal
potential
as
green
fuel,
solvent,
platform
compound.
Converting
carbohydrate-rich
waste
directly
to
GVL
highly
attractive
but
also
very
challenging
owing
inert
nature
high
complexity
biomass,
necessitating
versatile
selective
catalytic
system.
Developing
benign
complexity-preserving
valorization
processes
would
not
allow
methods
synthesize
valuable
commodity
provide
access
carbon-negative
procedures.
Therefore,
producing
GVL,
that
preserves
five
out
six
C–C
bonds
hexoses
all
pentoses,
has
potential.
We
describe
first
direct
conversion
raw
lignocellulose,
starch,
chitin
GVL.
Using
1.8
wt%
homogeneous
catalyst
Ru-MACHO-BH
10.9
M
H3PO4(aq)
with
30
bar
H2
at
140
°C
24-120
hours
provides
excellent
yields
(10-26
wt%)
twelve
different
industrially
processed
biowaste
sources,
either
individual
substrates
combined
pool.
This
corresponds
26-48mol%
yields,
average
approximately
80-90
mol%
yield
each
reaction
step.
Food Chemistry,
Год журнала:
2024,
Номер
443, С. 138504 - 138504
Опубликована: Янв. 21, 2024
Pistacia
vera
shells,
an
abundant
agricultural
by-product,
are
a
rich
source
of
undiscovered
bioactive
compounds.
This
study
employed
response
surface
methodology
(RSM)
approach
to
optimize
the
microwave-assisted
extraction
antioxidants.
The
highest
total
phenolic
content,
and
antioxidant
activity
were
achieved
under
optimized
conditions
(20%
ethanol,
1000
W,
135
s,
solvent-to-solid
ratio
27
mL/g).
resulting
extract
(OPVS-E)
included
gallic
acid
derivatives,
hydrolysable
tannins,
flavonoids,
fatty
acids,
anacardic
acids.
Remarkably,
OPVS-E
displayed
potent
inhibitory
against
α-amylase
(IC50
=
2.05
μg/mL)
α-glucosidase
41.07
μg/mL),
by
far
more
powerful
than
anti-diabetic
drug
acarbose.,
exhibited
strong
antiradical
capacity
reactive
oxygen
species
(ROS)
without
causing
toxicity
in
intestinal
cells
(HT29-MTX
Caco-2).
These
findings
introduce
as
potential
novel
dual-action
nutraceutical
ingredient,
able
mitigate
postprandial
hyperglycemia
counteract
ROS
overproduction
occurring
type
2
diabetes
mellitus.
Carbohydrate Polymer Technologies and Applications,
Год журнала:
2024,
Номер
7, С. 100423 - 100423
Опубликована: Янв. 4, 2024
Utilizing
agricultural
waste
for
material
innovation,
particularly
in
food
packaging,
is
an
emerging
trend
aimed
at
enhancing
sustainability
and
reducing
environmental
impact.
In
this
study,
the
goal
was
to
valorize
by
isolating
microcrystalline
cellulose
(MCC)
from
pistachio
shell
powder
(PSP)
integrating
it
into
carrageenan
films
as
a
filler.
Alkaline
hydrogen
peroxide
(AHP)
used
extract
PSP
fibre
various
AHP
liquor
ratios
(NaOH:H2O2),
followed
hydrochloric
acid
hydrolysis
of
fibres.
Detailed
analyses
assessed
impact
concentration
on
thermal,
morphological,
microscopic,
crystalline
properties
resulting
MCC.
Elevated
NaOH
H2O2
ratio
process
notably
improved
MCC's
thermal
stability
crystallinity
index.
FTIR
spectroscopy
indicated
efficient
removal
amorphous
regions
impurities,
such
lignin
hemicellulose,
during
pre-hydrolysis.
The
4.0:4.4
emerged
promising,
considering
stability,
impurity
removal,
Carrageenan
with
derived
MCC
showed
UV
resistance,
oxygen
barrier,
mechanical
properties.
This
research
highlights
potential
shell-derived
sustainable
filler,
emphasizing
novel
strategy
repurposing
waste.
Food Science & Nutrition,
Год журнала:
2024,
Номер
12(6), С. 4362 - 4371
Опубликована: Май 27, 2024
Abstract
The
utilization
of
plant‐based
residues
has
been
extensively
employed
for
the
control
diverse
illnesses,
owing
to
their
safety
and
minimal
adverse
effects.
In
current
study,
it
was
aimed
characterization
bioactive,
enzyme
inhibitory,
cytotoxic
activities
fresh
pistachio
shell
skin
(FPSS),
green
walnut
husk
membrane
(GWH),
almond
outer
inner
brown
(ASIS),
as
well
peanut
(PHIS)
be
used
industrial
food
processing
by‐products.
results
showed
that
samples
exhibited
different
extraction
yields,
with
GWH
having
highest
percentage
at
15.18%,
followed
by
FPSS
12.81%,
ASIS
10.29%,
PHIS
7.80%.
had
total
phenolic
content
(16.28
mg
gallic
acid
equivalents
(GAE)/g)
best
antioxidant
capabilities
DPPH
(8.96
Trolox
equivalent
(TE)/g),
FRAP
(11.46
TE/g),
ABTS
(22.38
TE/g)
assays.
PHIS,
ASIS,
GWH,
respectively.
Moreover,
extracts
relatively
low
activity
against
acetylcholinesterase,
α‐glucosidase,
α‐amylase
compared
standard
acarbose
or
galantamine.
Furthermore,
may
have
potential
induce
effects,
varying
from
moderate
mild,
on
both
cancerous
(IC
50
=
454.55–617.28
μg/mL)
healthy
cells
438.60–490.20
μg/mL).
this
research
nut
hold
promise
a
variety
applications
spanning
food,
pharmaceutical,
cosmetic
sectors.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 18, 2025
Abstract
Pistachio
dehulling
waste,
known
as
byproduct
mixture
(PBM),
is
a
valuable
resource
that
often
overlooked.
An
effective
sustainable
approach
involves
utilizing
this
agricultural
waste
through
fermentation
process
using
edible
filamentous
fungi,
demonstrating
potential
applications
in
nutrition
and
animal
feed.
The
focus
of
study
was
on
converting
PBM
extract
obtained
from
hot
water
extraction
pre-treatment
into
protein-rich
fungal
biomass
Neurospora
intermedia
.
optimal
conditions
for
growth
were
achieved
at
72
h,
pH
5.5,
30
°C
which
are
by
one-factor-at-a-time
(OFAT),
resulting
6.7
g/L
dried
biomass,
with
protein
content
20.4%.
conversion
efficiency,
expressed
grams
per
gram
initial
Total
COD,
0.37
g/g,
highlighting
the
significant
high
COD
levels
low
sugar
processes.
Additionally,
an
investigation
carried
out
to
assess
impact
inoculation
method,
culture
adaptation,
COD/N
ratio,
control
during
cultivation.
results
response
showed
production
0.44,
0.45,
0.49
g
total
contents
20.2%,
27.1%,
18.6%,
respectively,
leading
improved
yield.
biorefinery
platform
complete
value-added
cycle,
holds
promise
various
sectors
including
food,
feed,
biochemical,
biomaterial
industries.
The
objective
of
this
work
was
to
compile
data
for
the
characterization
pistachio’s
chemical
composition
and
analyze
benefits
their
consumption
in
diet.
Pistachio
edible
seed
is
cultivated
mainly
America,
Mediterranean
countries
Middle
East.
geographical
precedence
may
affect
its
mineral
content
as
well
lipidic
profile
it
also
influence
bioactive
compounds.
presents
a
high
proportion
vitamins,
carotenoids,
polyphenols,
flavonoids
that
have
been
associated
with
pistachio
health
such
antioxidant
anti-inflammatory
activities.
intake
would
reduce
glycemic
index
control
Type-2
Diabetes
Mellitus.
Clinical
studies
indicated
presence
phytosterols,
monounsaturated
fatty
acids
(MUFAs)
dietary
fiber
from
grains
risk
cardiovascular
diseases
(CVDs).
Furthermore,
main
wastes
industry
[pistachio
green
hull
(PGH)
shell
(PS)]
could
be
considered
good
source
Recent
showed
encapsulation
these
nutraceutical
compounds
PGH
strategy
manufacture
high-value
foods
within
framework
circular
economy.
Moreover,
PS
can
cellulose
nanocrystals
(CNC)
used
stabilization
oil-water
emulsions.
Abstract
In
order
to
design
and
optimize
thermochemical
systems
for
the
production
of
bioenergy
understanding
energy
capacity
pistachio
shell
its
kinetics
degradation
is
crucial.
The
Thermogravimetric
analysis
at
different
heating
rates
biomass
was
studied
along
with
thermodynamic
study,
primary
characterizations
like
composition
biomass,
value
a
reaction
mechanism-assisted
kinetic
model.
Nitrogen
gas
flow
rate
used
thermogravimetric
(TGA),
which
performed
10,
15,
20
30
℃/min
from
room
temperature
900
℃.
output
also
shows
that
maximal
took
place
between
180
430
°C.
various
iso-conversional
models,
such
as
Flynn–Wall–Ozawa
(FWO),
Kissinger–Akahira–Sunose
(KAS),
Starink
Friedman,
are
calculate
parameters,
give
average
activation
172.29,
170.47,
169.79,
193.25
kJ/mol.
values
Gibbs
free
FWO,
KAS,
Friedman
techniques
were
found
be
176.49,
1176.54,
176.29,
175.78
kJ/mol,
respectively.
Graphical
