Molecules,
Journal Year:
2024,
Volume and Issue:
29(5), P. 937 - 937
Published: Feb. 21, 2024
In
this
work,
a
novel
sustainable
approach
was
proposed
for
the
integral
valorisation
of
Arctium
lappa
(burdock)
seeds
and
roots.
Firstly,
preliminary
recovery
bioactive
compounds,
including
unsaturated
fatty
acids,
performed.
Then,
simple
sugars
(i.e.,
fructose
sucrose)
phenolic
compounds
were
extracted
by
using
compressed
fluids
(supercritical
CO2
propane).
Consequently,
complete
characterisation
raw
biomass
extraction
residues
carried
out
to
determine
starting
chemical
composition
in
terms
residual
lipids,
proteins,
hemicellulose,
cellulose,
lignin,
ash
content.
Subsequently,
three
alternative
ways
utilise
successfully
tested:
(i)
enzymatic
hydrolysis
operated
Cellulases
(Thricoderma
resei)
glucose,
(ii)
direct
ethanolysis
produce
ethyl
levulinate;
(iii)
pyrolysis
obtain
biochar
be
used
as
supports
synthesis
sulfonated
magnetic
iron-carbon
catalysts
(Fe-SMCC)
applied
dehydration
5-hydroxymethylfurfural
(5-HMF).
The
development
these
advanced
approaches
enabled
full
utilisation
resource
through
production
fine
chemicals
value-added
line
with
principles
circular
economy.
Carbohydrate Polymers,
Journal Year:
2023,
Volume and Issue:
328, P. 121746 - 121746
Published: Dec. 29, 2023
Rice
straw
is
a
widely
produced
residue
that
can
be
converted
into
value-added
products.
This
work
aimed
at
using
greener
processes
combining
mild
alkali
(A),
ozone
(O)
and
enzymatic
(engineered
xylanase)
(E)
treatments
to
extract
cellulose
other
compounds
from
rice
evaluate
the
effects
of
order
treatments.
Solid
(S)
liquid
(L)
fractions
process
were
collected
for
physicochemical
characterization.
AOE
treatment
showed
best
capacity
high
purity
valuable
compounds.
The
lignin
content
was
significantly
decreased
independently
and,
its
in
obtained
after
lower
than
one
OAE
process.
Moreover,
thermal
stability
samples
increased
process,
being
higher
SAOE.
alkaline
hemicellulose
polyphenol
(antioxidant
activity)
(LA
LOA).
In
contrast,
ozonized
had
content.
Therefore,
fundamental
conclusion,
strategy
could
more
environmentally
friendly
method
extracting
compounds,
which
used
develop
active
materials
future.
Heliyon,
Journal Year:
2025,
Volume and Issue:
11(2), P. e42094 - e42094
Published: Jan. 1, 2025
Hydrolytic
enzymes
(cellulase,
pectinase,
xylanase)
producing
bacteria
were
isolated
from
compost,
garden
soil
and
wastewater.
Out
of
63
bacterial
isolates,
CMB10
SFMB9,
selected
for
study
due
to
their
enzymatic
potential,
with
relative
enzyme
activity
ranging
0.5
0.8.
Both
Gram-negative,
rod-shaped
non-motile.
They
phenotypically
characterized
concerning
Bergey's
Manual
Determinative
Bacteriology
followed
by
molecular
characterization
16S
rRNA
gene
sequencing
SFMB9
identified
as
Olivibacter
oleidegradans
Agrobacterium
pusense,
respectively.
The
two
isolates
tested
in-vitro
rice
stubble
degradation.
highest
degradation
(86.3
%)
was
recorded
in
the
case
co-inoculated
treatment
on
45th
day
compared
individual
microbial
treatments
(P
<
0.05).
However,
there
a
significant
difference
between
all
uninoculated
control
15,
30
incubation.
Scanning
electron
microscopic
images
confirm
distortion
microfibrillar
structure
cultures.
hydrolytic
detected
days
post-inocualtion,
where,
cellulase
at
(95.77
U/ml).
There
an
effective
decrease
C/N
ratio
inoculated
trials
26.4
14.2
45
composting.
This
compost
had
positive
stimulatory
effect
growth
Glycin
max,
evidenced
≈
10
%
increase
chlorophyll
content
leaves,
≈25-45
root
shoot
length,
respectively,
control.
reported
here
first
time
degradation,
show
potential
large-scale
Energies,
Journal Year:
2025,
Volume and Issue:
18(4), P. 1002 - 1002
Published: Feb. 19, 2025
Efficient
biogas
production
significantly
impacts
greenhouse
gas
(GHG)
emissions
and
carbon
sequestration
by
reducing
enhancing
storage.
Nonetheless,
the
consistency
optimization
of
are
hindered
fluctuations
in
key
input
variables,
namely,
pH,
moisture
content,
organic
loading
rate
(OLR),
temperature,
which
impact
quality
agricultural
waste
biomass
production.
Any
these
variables
can
affect
productivity.
This
study
aims
to
provide
valuable
parameters
for
maximum
using
rice
straw
cow
dung
as
materials.
Therefore,
machine
learning
techniques
such
multilayer
perceptron
feedforward
neural
networks
with
a
particle
swarm
(PSO)
combination
generate
optimal
values
each
variable
uses
three
variants
training
function
networks,
namely
gradient
descent
momentum
adaptive
rate,
momentum,
rate.
The
findings
reveal
that,
under
an
optimum
pH
value
6.0000,
humidity
62.3176%,
OLR
67.6823
kg.m3/day,
temperature
37.0482
°C,
has
potential
increase
2.91
m³/day
high
accuracy
testing
R2
=
0.90.
These
methods
use
accurately
predict
parameters,
deviation
8.48%
from
experimentally
derived
mean
square
error
(MSE)
0.0051243.
emphasizes
benefits
optimize
operational
IntechOpen eBooks,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Agricultural
waste
(crop
residues
and
animal
manure)
is
a
significant
byproduct
of
farming
activities.
It
holds
potential
for
sustainable
agriculture,
renewable
energy
production,
environmental
conservation.
However,
traditional
disposal
challenges
persist,
leading
to
air
pollution
soil
degradation.
Innovative
approaches
include
converting
agricultural
into
bioenergy
like
bioethanol
biogas
producing
biochar
from
residues,
which
improves
health,
water
retention,
nutrient
availability
while
sequestering
carbon.
also
finding
applications
in
industries.
Integrating
industrial
processes
not
only
adds
value
but
reduces
reliance
on
raw
materials
fossil
fuels
wood.
In
livestock
farming,
crop
are
critical
as
feed
bedding,
particularly
resource-constrained
regions.
While
their
nutritional
content
often
low,
treatment
methods
can
improve
digestibility.
By
integrating
cutting-edge
technologies
supportive
policies,
it
possible
transform
burden
resource,
paving
the
way
more
future.
