Recent Advances in Characterization and Valorization of Lignin and Its Value-Added Products: Challenges and Future Perspectives
Biomass,
Journal Year:
2024,
Volume and Issue:
4(3), P. 947 - 977
Published: Sept. 2, 2024
Lignin,
the
earth’s
second-most
abundant
biopolymer
after
cellulose,
has
long
been
relegated
to
low-value
byproducts
in
pulp
and
paper
industry.
However,
recent
advancements
valorization
are
transforming
lignin
into
a
sustainable
versatile
feedstock
for
producing
high-value
biofuels,
bioplastics,
specialty
chemicals.
This
review
explores
conversion
of
lignin’s
complex
structure,
composed
syringyl
(S),
guaiacyl
(G),
p-hydroxyphenyl
(H)
units,
value-added
products.
We
critically
assess
various
biochemical
analytical
techniques
employed
comprehensive
characterization.
Additionally,
we
explore
strategies
upgrading
functionalization
enhance
its
suitability
advanced
biomaterials.
The
emphasizes
key
areas
valorization,
including
catalytic
depolymerization
methods,
along
with
associated
challenges
advancements.
discuss
potential
as
diverse
products
such
carbon
fibers,
adhesives,
phenolic
compounds.
Furthermore,
briefly
inherent
properties
UV
protectant
antioxidant,
alongside
incorporation
polymer
blends
composites.
By
presenting
case
studies
from
literature,
this
highlights
significant
economic
environmental
benefits
waste
reduction,
lower
greenhouse
gas
emissions,
decreased
reliance
on
non-renewable
resources.
Finally,
address
future
perspectives
achieving
large-scale,
techno-economically
feasible,
environmentally
valorization.
Language: Английский
Exploring the termite gut as a hub of industrially important microbes and enzymes for biofuel production
Biomass and Bioenergy,
Journal Year:
2025,
Volume and Issue:
199, P. 107899 - 107899
Published: April 16, 2025
Language: Английский
Exploring termite-microbe symbiosis: mechanisms, evolution and biotechnological potential
Asia-Pacific Journal of Molecular Biology and Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 41 - 53
Published: April 10, 2025
The
symbiotic
relationship
between
termites
and
their
gut
microbes
is
one
of
nature's
most
fascinating
mutualistic
interactions.
Termites,
renowned
for
ability
to
decompose
lignocellulosic
materials
such
as
wood,
rely
heavily
on
microbiota,
which
includes
bacteria,
archaea,
protozoa,
each
playing
specific
roles
in
breaking
down
cellulose,
hemicellulose,
lignin.
This
complex
partnership
not
only
enables
thrive
low-nutrient
environments
but
also
supports
nitrogen
metabolism
provides
essential
nutrients
survival.
termite
highly
compartmentalized,
creating
various
microenvironments
that
support
diverse
microbial
communities
facilitate
metabolic
processes,
including
fermentation
anoxic
conditions.
Shaped
by
evolutionary
pressures,
this
has
resulted
specialized
adaptations
optimize
lignocellulose
degradation
cycling.
review
explores
the
mechanisms
termite-microbe
symbiosis,
functional
across
different
taxa,
structural
compartmentalization
gut,
dynamics
driving
relationship.
In
addition,
highlights
ecological
biotechnological
significance
offering
valuable
insights
into
efficient
nutrient
recycling
could
inspire
future
applications
sustainable
bioenergy
waste
management.
Language: Английский
Succeed to culture a novel lineage symbiotic bacterium of Mollicutes which widely found in arthropods intestine uncovers the potential double-edged sword ecological function
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 18, 2024
Symbiotic
gut
bacteria
play
crucial
role
in
host
health.
Symbionts
are
widely
distributed
arthropod
intestines,
but
their
ecological
functions
poorly
understood
due
to
the
inability
cultivate
them.
Members
of
Language: Английский
Biorefinery and Bioremediation Strategies for Efficient Management of Recalcitrant Pollutants Using Termites as an Obscure yet Promising Source of Bacterial Gut Symbionts: A Review
Rongrong Xie,
No information about this author
Blessing Danso,
No information about this author
Jianzhong Sun
No information about this author
et al.
Insects,
Journal Year:
2024,
Volume and Issue:
15(11), P. 908 - 908
Published: Nov. 20, 2024
Lignocellulosic
biomass
(LCB)
in
the
form
of
agricultural,
forestry,
and
agro-industrial
wastes
is
globally
generated
large
volumes
every
year.
The
chemical
components
LCB
render
them
a
substrate
valuable
for
biofuel
production.
It
hard
to
dissolve
resources
production
because
lignin,
cellulose,
hemicellulose
parts
stick
together
rigidly.
This
makes
structure
complex,
hierarchical,
resistant.
Owing
these
restrictions,
junk
waste
has
recently
become
significant
worldwide
environmental
problem
resulting
from
inefficient
disposal
techniques
increased
persistence.
In
addition,
burning
waste,
such
as
paddy
straws,
widespread
practice
that
causes
considerable
air
pollution
endangers
environment
human
existence.
Besides
increasing
industrialization
resulted
billions
tons
dyeing
wastewater
several
industries,
including
textiles,
pharmaceuticals,
tanneries,
food
processing
units.
massive
use
synthetic
dyes
various
industries
can
be
detrimental
due
recalcitrant
aromatic
dyes,
similar
polymeric
phenol
lignin
structure,
their
persistent
color.
Synthetic
have
been
described
possessing
carcinogenic
toxic
properties
could
harmful
public
health.
Environmental
emanating
great
concern
should
carefully
handled
mitigate
its
catastrophic
effects.
An
effective
strategy
curtail
problems
learn
analogous
systems
nature,
termites,
where
woody
lignocellulose
digested
by
wood-feeding
termites
humus-recalcitrant
compounds
are
decomposed
soil-feeding
termites.
termite
gut
system
acts
unique
bioresource
consisting
distinct
bacterial
species
valued
lignocellulosic
materials
degradation
which
integrated
into
modern
biorefineries
bioremediation
applications
treatment
wastewaters
help
resolve
issues
arising
wastewaters.
review
paper
provides
new
efficient
management
pollutants
exploring
potential
application
bacteria
biorefinery
processing.
Language: Английский