Polysaccharides,
Journal Year:
2024,
Volume and Issue:
5(4), P. 523 - 539
Published: Sept. 26, 2024
Annona
muricata
is
a
fruit
species
belonging
to
the
Annonaceae
family,
which
native
warmer
tropical
areas
of
North
and
South
America.
A
large
amount
discarded
residue
from
A.
interest
for
obtaining
new
industrial
inputs.
To
propose
applications
biopolymer
residues
(Biop_AmRs),
this
study
aimed
characterize
input
chemically
functionally,
as
well
evaluate
its
potential
hemocompatibility
cytotoxicity
activity
in
vitro.
Biop_AmRs
an
anionic
heteropolysaccharide
composed
glucose,
arabinose,
xylose,
galactose,
mannose,
uronic
acid,
proteins.
This
exhibited
semicrystalline
structure
good
thermal
stability.
excellent
water
holding
capacity,
emulsifying
properties,
mucoadhesiviness
demonstrated
cytocompatibility
on
L929
cell
line.
These
results
indicate
possible
environmentally
friendly
raw
material
food,
pharmaceutical,
biomedical,
cosmetic
industries.
Foods,
Journal Year:
2024,
Volume and Issue:
13(11), P. 1621 - 1621
Published: May 23, 2024
Exopolysaccharides
are
natural
macromolecular
bioactive
substances
produced
by
lactic
acid
bacteria.
With
their
unique
physiological
activity
and
structural
characteristics,
they
gradually
showing
broad
application
prospects
in
the
food
pharmaceutical
industries.
have
various
biological
functions,
such
as
exerting
antioxidant
anti-tumor
activities
regulating
gut
microbiota.
Meanwhile,
a
additive,
exopolysaccharides
can
significantly
enhance
taste
quality
of
food,
bringing
consumers
better
eating
experience.
In
field
medicine,
been
widely
used
drug
carriers
due
to
non-toxic
properties
good
biocompatibility.
This
article
summarizes
bacteria,
synthesis,
applications
industries,
aiming
promote
further
research
development
this
field.
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
30, P. 103090 - 103090
Published: March 1, 2023
A
sugar-rich
apple
pulp
waste
generated
from
fruit
processing
for
juice
production
was
used
as
the
sole
carbon
source
cultivation
of
Alteromonas
macleodii
Mo169,
a
marine
bacterium
known
its
EPS-secreting
ability.
The
strain
efficiently
utilized
glucose
and
fructose
present
in
waste,
reaching
biomass
EPS
9.20
±
0.61
3.51
0.08
g
L−1,
respectively,
24-hour
bioreactor
cultivation.
Two
high
molecular
weight
(Mw)
fractions
(1.7
0.0
0.74
MDa)
were
detected
sample
recovered
cell-free
supernatant
by
dialysis.
compositional
analysis
revealed
presence
(31.1
0.2
mol%),
arabinose
(23.9
0.1
mannose
(17.3
glucosamine
(10.3
0.5
galactose
(8.7
mol%)
galacturonic
acid
well
content
sulphate
(6.0
wt%).
Given
Mw
polysaccharide
probably
pectin,
fraction
sugar
monomers
might
be
attributed
to
that
polymer,
which
together
with
A.
Mo169
EPS.
Concomitant
synthesis,
there
viscosity
build-up
broth,
developed
shear-thinning
fluid
behaviour
not
observed
initial
medium.
Therefore,
this
study
demonstrates
can
converted
into
novel
sustainable
bioprocess.
Moreover,
acyl
composition,
good
thickening
capacity,
render
biopolymer
interest
use
several
applications.
Foods,
Journal Year:
2024,
Volume and Issue:
13(22), P. 3687 - 3687
Published: Nov. 19, 2024
Exopolysaccharides
(EPSs)
are
large-molecular-weight,
complex
carbohydrate
molecules
and
extracellularly
secreted
bio-polymers
released
by
many
microorganisms,
including
lactic
acid
bacteria
(LAB).
LAB
well
known
for
their
ability
to
produce
a
wide
range
of
EPSs,
which
has
received
major
attention.
LAB-EPSs
have
the
potential
improve
health,
applications
in
food
pharmaceutical
industries.
Several
methods
been
developed
optimized
recent
years
producing,
extracting,
purifying,
characterizing
LAB-produced
EPSs.
The
simplest
method
evaluating
production
EPSs
is
observe
morphological
features,
such
as
ropy
mucoid
appearances
colonies.
Ethanol
precipitation
widely
used
extract
from
cell-free
supernatant
generally
purified
using
dialysis.
most
commonly
quantify
content
phenol-sulfuric
acid.
structural
characteristics
identified
via
Fourier
transform
infrared,
nuclear
magnetic
resonance,
X-ray
diffraction
spectroscopy.
molecular
weight
composition
monosaccharides
determined
through
size-exclusion
chromatography,
thin-layer
gas
high-performance
liquid
chromatography.
surface
morphology
observed
scanning
electron
microscopy
atomic
force
microscopy,
whereas
thermal
thermogravimetry
analysis,
derivative
thermogravimetry,
differential
calorimetry.
In
present
review,
we
discuss
different
existing
detailed
study
provide
comprehensive
guide
on
LAB-EPS
preparation,
critically
methods,
addressing
knowledge
gaps
key
challenges,
offering
solutions
enhance
reproducibility,
scalability,
support
both
research
industrial
applications.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 13, 2025
AbstractHalomonas
sp.
DT-Z4,
a
moderately
halophilic
strain
isolated
from
saline
and
alkali
soil
in
Qinghai
Province,
was
used
to
characterize
the
structure
function
of
novel
extracellular
polysaccharide
(EPS-Z4).
By
optimizing
fermentation
conditions
(carbon
source:
sucrose
9%
w/v;
Nitrogen
peptone
12
g/L;
pH
9.0;
25°C),
EPS
production
reached
3.09
g/L,
indicating
its
adaptability
extreme
salinity
environment.
Structural
characterization
showed
that
EPS-Z4
is
fructose-dominated
heteropolysaccharide
(97.6%)
with
small
amounts
glucose
(1.4%),
glucuronic
acid
(0.5%)
amino
sugar
(0.1%).
Fourier
transform
infrared
spectroscopy
(FTIR)
thermogravimetric
analysis
(TGA)
were
confirm
α-(1→6)
linkage
high
thermal
stability
(Td
=
275.9°C).
Scanning
electron
microscopy
(SEM)
it
had
dense
lamellar
network
morphology
zeta
potential
-21.4
mV,
moderate
colloidal
stability.
Functional
excellent
water
solubility
(WSI
85.79%)
oil
retention
(OHC
321%),
which
better
than
most
traditional
microbial
polysaccharides.
could
be
as
stabilizer
for
high-temperature
food
processing
biological
agent
saline-alkali
remediation.
