Structure Characterization and Antioxidant Activity of a Novel Polysaccharide from Bacillus natto Fermented Millet Bran
Foods,
Год журнала:
2025,
Номер
14(2), С. 278 - 278
Опубликована: Янв. 16, 2025
To
improve
the
high-value
application
of
millet
bran,
a
water-soluble
polysaccharide
was
extracted
from
fermented
bran
(FMBP)
by
using
Bacillus
natto
fermentation.
A
neutral
polysaccharide,
FMBP-1,
separated
and
purified
FMBP
an
anion
exchange
column.
Its
structure
antioxidant
activity
in
vitro
were
characterized
determined.
The
molecular
weight
FMBP-1
1.154
×
104
Da,
its
distribution
relatively
uniform.
monosaccharide
composition,
FT-IR,
methylation,
NMR
results
indicated
that
only
composed
glucose
α-(1→4)-D-glucan
branched
at
O-6
with
terminal
1-linked
α-D-Glcp
as
side
chain.
In
addition,
assays
possessed
certain
capacities
for
scavenging
free
radicals
reducing
power,
this
concentration-dependent
manner.
This
research
will
provide
fundamental
data
regarding
structure–activity
relationship
polysaccharides
theoretical
foundation
utilization
within
food
pharmaceutical
industries.
Язык: Английский
Physicochemical Properties and Cytoprotective Effects on PC12 Cells of Polysaccharides from Belamcanda chinensis (L.) DC. Obtained via a Gradient Ethanol Precipitation Method
Molecules,
Год журнала:
2025,
Номер
30(5), С. 998 - 998
Опубликована: Фев. 21, 2025
Given
that
the
preparation
method
of
polysaccharides
affects
functional
properties,
four
types
acidic
(BCP30-1a,
BCP50-1a,
BCP70-1a,
and
BCP90-1a)
were
prepared
using
gradient
ethanol
precipitation
method.
Then,
a
series
chemical
instrumental
analysis
techniques
used
to
compare
structural
characteristics
morphology.
Neuroprotective
effects
explored
OGD/R-induced
PC12
cells.
The
results
showed
BCP30-1a,
BCP90-1a
had
similar
characteristic
groups
contained
both
β-glycosidic
α-glycosidic
bonds.
Their
molecular
weights,
in
descending
order,
198.398
kDa,
184.690
184.556
184.217
respectively.
In
addition,
different
proportions
glycosidic
bonds,
namely,
Manp-(1→,
→5)-Araf-(1→,
→3)-Galp
(or
GalAp)-(1→,
→4)-Glcp-(1→
→3,6)-Galp-(1→.
BCP30-1a
also
certain
proportion
Galp-(1→,
each
polysaccharide
microscopic
good
thermal
stability.
Finally,
exhibited
cytoprotective
on
cells
based
OGD/R
model.
These
findings
provide
novel
regulatory
strategy
for
activity
BCPs
offer
scientific
evidence
supporting
application
research
field
ischemic
stroke.
Язык: Английский
Pioneering polysaccharide extraction with deep eutectic solvents: A review on impacts to extraction yield, physicochemical properties and bioactivities
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
306, С. 141469 - 141469
Опубликована: Фев. 25, 2025
Язык: Английский
Steam explosion improved the physicochemical properties, hypoglycemic effects of polysaccharides from Clerodendranthus spicatus leaf via regulating IRS1/PI3K/AKT/GSK-3β signaling pathway in IR-HepG2 cells
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 142586 - 142586
Опубликована: Март 1, 2025
Язык: Английский
A polysaccharide PFH-3a from Fritillariae hupehensis bulbus: Preparation, structural characterization and antioxidant activity in vitro
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 143210 - 143210
Опубликована: Апрель 1, 2025
Язык: Английский
Comparative Analysis of Three Extraction Methods for Ginger Leaf Polysaccharide: Chemical Composition, Antioxidant activity, and Hypolipidemic Effects
Journal of Applied Research on Medicinal and Aromatic Plants,
Год журнала:
2025,
Номер
unknown, С. 100639 - 100639
Опубликована: Апрель 1, 2025
Язык: Английский
Fe3+ Reducing Power as the Most Common Assay for Understanding the Biological Functions of Antioxidants
Processes,
Год журнала:
2025,
Номер
13(5), С. 1296 - 1296
Опубликована: Апрель 24, 2025
Antioxidants
counteract
the
harmful
effects
of
free
radicals
on
metabolism
and
prevent
fatty
food
degradation
during
processing
storage.
The
Fe3+-reducing
assay,
based
reduction
ferric
ions
(Fe3+)
to
ferrous
(Fe2+)
in
presence
antioxidants
acting
as
reducing
agents,
is
widely
recognized
used
evaluate
antioxidant
capacity
various
biological
samples,
including
plant
extracts,
food,
beverages,
pharmaceuticals.
Reduction
Fe3+
Fe2+
also
crucial
biogeochemical
cycling,
microbial
metabolism,
industrial
applications.
This
review
comprehensively
describes
its
adaptation
different
analytes,
identification
most
potent
antioxidants,
optimization
measurement
techniques.
It
outlines
chemical
fundamental
principles
ability,
along
with
an
in-depth
analysis
activity,
covering
biochemical
mechanisms,
contributions,
analytical
methods,
practical
applications
recent
advances
future
perspectives
research.
assay
straightforward,
testing
compounds
or
extracts
are
mixed
solution,
their
absorbance
measured
after
a
specific
incubation
period.
Despite
significant
advancements
instrumentation
techniques,
this
method
remains
largely
unchanged.
Язык: Английский