Biological delignification and anaerobic fermentation of wheat straw: A promising approach for sustainable utilization of crop straw bioresources
Industrial Crops and Products,
Год журнала:
2025,
Номер
227, С. 120839 - 120839
Опубликована: Март 15, 2025
Язык: Английский
Investigating chemical pre-treatment methods: Valorization of wheat straw to enhance polyhydroxyalkanoate (PHA) production with novel isolate Bacillus paranthracis RSKS-3
Heliyon,
Год журнала:
2024,
Номер
10(11), С. e31572 - e31572
Опубликована: Май 22, 2024
Wheat
is
a
crucial
food
crop
worldwide,
generating
straw
upon
post-harvest.
The
often
burned
to
enhance
soil
fertility,
leading
massive
air
pollution.
In
this
study,
wheat
was
investigated
for
the
production
of
Polyhydroxyalkanoate
(PHA)
using
novel
isolate
Bacillus
paranthracis
RSKS-3.
pulverized
and
valorized
with
different
acids
(2%
4%
H2SO4,
acetic
acid,
hydrochloric
acid)
alkalis
NaOH,
calcium
carbonate,
potassium
hydroxide).
validation
carbohydrates
done
Molisch
test
by
analyzing
purple-ring
DNS
which
concluded
H2SO4
as
an
effective
treatment
maximal
sugar
yield
5.04
mg
mL-1
at
P<0.05.
bioconversion
efficiency
extract
PHA
resulted
in
0.87
g
L-1
RSKS-3,
later
characterized
Ultraviolet
(UV)-spectroscopy
FT-IR
assessment.
findings
research
offer
potential
strategy
mitigate
airborne
pollutants
that
result
from
smouldering
straw,
thereby
contributing
significant
improvements
sustainable
development.
Язык: Английский
Screening and characterization of PHA producing bacteria from sewage water identifying Bacillus paranthracis RSKS-3 for bioplastic production
BMC Microbiology,
Год журнала:
2025,
Номер
25(1)
Опубликована: Март 14, 2025
Abstract
Polyhydroxyalkanoate
(PHA)
as
bioplastic
is
considered
a
replacement
for
conventional
plastic
due
to
its
more
beneficial
properties.
The
ability
of
PHA
biodegrade
in
shorter
period
major
advantage.
Different
sewage
water
samples
were
collected
from
the
Budha
Nala
near
Maheru
regions
Punjab.
PHA-producing
bacteria
isolated
using
minimal
salt
media
supplemented
with
Nile
blue.
Further
screening
was
carried
out
Sudan
Black
B
stain
and
red
stain.
positive
isolates
characterized
gram
reaction,
motility,
biochemical
tests.
individual
later
screened
maximum
accumulation
glucose.
extracted
FTIR,
XRD,
SEM,
UV
spectroscopy,
NMR,
TGA.
Twenty-six
different
on
Upon
stain,
nineteen
showed
black
granules
orange
fluorescence
bodies
under
100X
magnification
that
confirmed
polyhydroxyalkanoates.
tests
partially
belonging
Bacillus
genus.
All
produced
granular
form,
however,
isolate
P-3
production
0.068
g/L.
FTIR
XRD
chemical
crystallinity
studies
spectroscopy
by
analyzing
absorption
spectra
at
235
nm
standard
crotonic
acid
sulfuric
conversion
acid.
P-3,
paranthracis
RSKS-3
first
reported
bacterium
produce
necessary
optimize
efficiency
yield.
Язык: Английский
Rice Straw Hydrolysate Valorization for Efficient Polyhydroxyalkanoate Production in a Two-Stage Process
Fanirintsoa Herivonona Andrianantenaina,
Raj Morya,
Hwan-Hong Joo
и другие.
Environmental Technology & Innovation,
Год журнала:
2025,
Номер
unknown, С. 104217 - 104217
Опубликована: Апрель 1, 2025
Язык: Английский
Waste to wealth: Polyhydroxyalkanoates (PHA) production from food waste for a sustainable packaging paradigm
Food Chemistry Molecular Sciences,
Год журнала:
2024,
Номер
9, С. 100225 - 100225
Опубликована: Окт. 10, 2024
The
growing
demand
for
sustainable
food
packaging
and
the
increasing
concerns
regarding
environmental
pollution
have
driven
interest
in
biodegradable
materials.
This
paper
presents
an
in-depth
review
of
production
Polyhydroxyalkanoates
(PHA),
a
polymer,
from
waste.
PHA-based
bioplastics,
particularly
when
derived
low-cost
carbon
sources
such
as
volatile
fatty
acids
(VFAs)
waste
oils,
offer
promising
solution
reducing
plastic
enhancing
sustainability.
Through
optimization
microbial
fermentation
processes,
PHA
can
achieve
significant
efficiency
improvements,
with
yields
reaching
up
to
87
%
content
under
ideal
conditions.
highlights
technical
advancements
using
packaging,
emphasizing
its
biodegradability,
biocompatibility,
potential
serve
alternative
petroleum-based
plastics.
However,
challenges
high
costs,
mechanical
limitations,
need
scalability
remain
barriers
industrial
adoption.
future
hinges
on
overcoming
these
through
further
research
innovation
techniques,
material
properties,
cost
reduction
strategies,
along
necessary
legislative
support
promote
widespread
use.
Язык: Английский
Cascading Recovery of Added-Value Cocoa Bean Shell Fractions Through Autohydrolysis Treatments
Food and Bioprocess Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 16, 2024
Abstract
In
this
work,
an
autohydrolysis
treatment
was
applied
to
cocoa
bean
shells
(CBS)
obtain
different
potentially
added-value
fractions
rich
in
phenolic
compounds
with
antioxidant
potential
and
oligosaccharides
prebiotic
properties.
The
final
residue
enzymatically
treated
deliver
sugars
that
can
undergo
fermentation-based
biotransformation.
This
hydrothermal
pretreatment
assessed
for
maximum
temperatures
(
T
max
)
between
120
200
°C
severities
S
0
1.1
3.4.
highest
oligosaccharide
concentration
(5.5
g/L)
achieved
at
of
increase
during
the
process
allowed
recovery
interesting
bioactive
compounds,
achieving
a
TPC
activity
2.8
g/L
17178.5
µmol
Fe
2+
/L,
respectively,
when
reached
°C.
However,
temperature,
significant
amount
degradation
products
such
as
organic
acids
HMF
already
formed,
compromise
temperature
160
chosen
further
tests.
It
possible
glucose
yield
71%
pretreated
solids
were
hydrolysed.
Hence,
use
autohydrolysis,
avoiding
toxic
chemicals,
has
proved
be
sustainable
alternative
CBS
composition
employed
multiple
sectors.
Язык: Английский
Moderately halophilic bacterium Halomonas alkalicola strain Ext as a platform for poly(3-hydroxybutyrate-co-3-hydroxyvalerate) copolymer production with fruit peels residues as sole carbon source
The Microbe,
Год журнала:
2024,
Номер
4, С. 100153 - 100153
Опубликована: Авг. 29, 2024
Polyhydroxyalkanoates
(PHAs)
are
synthesized
by
a
variety
of
microorganisms
as
intracellular
storage
granules
under
imbalanced
nutrition
and
excess
carbon.
Carbon
sources
key
contributors
to
the
high
cost
PHA
production,
hence
need
for
exploration
cheap
sustainable
raw
materials
bacteria
fermentation.
In
present
study,
Halomonas
alkalicola
strain
Ext
isolated
from
hypersaline
lake
in
Kenya
was
assessed
its
ability
utilize
fruit
peels
hydrolysates
(FPH)
sole
carbon
production.
Sugars
were
extracted
dried
banana,
mango,
orange,
pineapple
fruits
through
mechanical
pretreatment
dilute
acid
hydrolysis.
Fruit
pretreated
with
3
%
H2SO4
at
121℃
utilized
shake
flask
fermentation
produce
PHAs
Ext.
At
optimal
C:N
ratios
between
20:1
30:1,
bacterium
could
up
0.45±0.03,
0.394±0.12,
0.39±0.05,
0.28±0.0
g/L
orange
peels,
mango
banana
respectively.
A
maximum
content
16.92
achieved
on
4
substrate
loading.
Monomer
analysis
gas
chromatography-mass
spectrometry
(GC-MS)
revealed
that
produced
copolymer
Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
(PHBV)
3-hydroxyvalerate
(3HV)
contents
5.77
%,
6.08
6.79
6.845
substrates,
The
findings
this
study
suggest
waste
is
potential
feedstock
production
alkalicola.
Язык: Английский
Unlocking sustainable solutions: wood waste as a novel substrate for polyhydroxybutyrate (PHB) production to combat plastic pollution
Environmental Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 13
Опубликована: Окт. 10, 2024
Polyhydroxybutyrate
(PHB)
is
considered
as
a
hope
for
bioplastic
production,
which
can
serve
sustainable
alternative.
Utilizing
feedstock
substrate
widely
explored
the
production
but
wood
waste,
abundant
in
cellulose,
hemicellulose
and
lignocellulose,
has
limited
studies
PHB
production.
Herein,
waste
used
biobased
Hydrolyses
of
was
done
using
sulphuric
acid
(H
Язык: Английский
Producing and Characterizing Polyhydroxyalkanoates from Starch and Chickpea Waste Using Mixed Microbial Cultures in Solid-State Fermentation
Karlo Grgurević,
Dora Bramberger,
Martina Miloloža
и другие.
Polymers,
Год журнала:
2024,
Номер
16(23), С. 3407 - 3407
Опубликована: Дек. 3, 2024
The
environmental
impact
of
plastic
waste
is
a
growing
global
challenge,
primarily
due
to
non-biodegradable
plastics
from
fossil
resources
that
accumulate
in
ecosystems.
Biodegradable
polymers
like
polyhydroxyalkanoates
(PHAs)
offer
sustainable
alternative.
PHAs
are
microbial
biopolymers
produced
by
microorganisms
using
renewable
substrates,
including
agro-industrial
byproducts,
making
them
eco-friendly
and
cost-effective.
This
study
focused
on
the
isolation
characterization
PHA-producing
waste,
chickpeas,
chickpeas
with
bean
residues,
starch.
Screening
via
Sudan
Black
staining
identified
PHA-accumulating
strains
such
as
Язык: Английский