Biotechnology and Bioengineering,
Год журнала:
2022,
Номер
119(6), С. 1359 - 1379
Опубликована: Фев. 16, 2022
White
jellyfungus
is
one
of
the
most
popular
nutritional
supplements.
The
polysaccharide
(WJP)
an
important
active
component
jellyfungus,
it
not
only
has
a
variety
biological
activities
but
also
nontoxic
to
humans.
So,
many
scholars
have
carried
out
different
research
on
WJP.
However,
lack
detailed
summary
WJP
limits
scale
industrial
development
Herein,
progress
in
extraction,
isolation,
structure,
derivatization,
and
structure-activity
relationship
was
reviewed.
Different
extraction
methods
were
compared,
activity
application
summarized,
emphasized
provide
effective
theoretical
support
for
improving
utilization
promoting
related
industries.
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
93, С. 106295 - 106295
Опубликована: Янв. 10, 2023
Response
surface
methodology
(RSM)
was
used
to
optimize
the
ultrasound-assisted
extraction
conditions
of
Ginkgo
biloba
leaves
polysaccharide
(GBLP).
The
optimum
for
GBLP
were
obtained
as
liquid
material
ratio
30
mL/g,
ultrasonic
power
340
W,
and
time
50
min.
Under
these
conditions,
yield
5.37
%.
Two
chemically
modified
polysaccharides,
CM-GBLP
Ac-GBLP,
by
carboxymethylation
acetylation
GBLP.
physicochemical
properties
three
polysaccharides
comparatively
studied
their
in
vitro
antioxidant
activities
evaluated
comprehensively.
results
showed
that
solubility
significantly
enhanced
activity
somewhat
improved.
This
suggests
are
effective
methods
enhance
properties,
but
exhibited
some
uncontrollability.
At
same
time,
has
also
shown
high
potential
research
application.
Biomedicine & Pharmacotherapy,
Год журнала:
2022,
Номер
150, С. 113015 - 113015
Опубликована: Апрель 22, 2022
Radix
astragali
polysaccharide
(RAP)
is
a
water-soluble
heteropolysaccharide.
It
an
immune
promoter
and
regulator,
has
antivirus,
antitumor,
anti-aging,
anti-radiation,
anti-stress,
anti-oxidation
other
activitys.
The
extraction,
separation,
purification,
structure,
activity
modification
of
RAP
were
summarized.
Some
extraction
methods
had
been
introduced,
the
separation
purification
reviewed,
structure
highly
discussed.
Current
derivatization
was
outlined.
Through
above
discussion
that
yield
crude
polysaccharides
from
by
enzyme-assisted
significantly
higher
than
methods,
but
each
method
different
effects
under
certain
conditions,
efficiency
also
different.
Therefore,
it
particularly
important
to
optimize
with
known
better
for
study
RAP.
In
addition,
are
key
factors
affecting
At
same
time,
there
still
few
studies
on
derivatiration
polysaccharide,
researches
in
this
area
very
important.
many
pharmacological
human
body,
its
practical
application
needs
further
study.
Finally,
structure-activity
relationship
need
be
carried
out
scholars.
This
review
would
provide
some
help
various
applications
ACS Biomaterials Science & Engineering,
Год журнала:
2023,
Номер
9(5), С. 2181 - 2202
Опубликована: Апрель 10, 2023
Over
the
past
few
decades,
chitosan
(CS)
has
gained
attention
of
researchers
investigating
newer
biomaterial-based
carriers
for
drugs
in
pharmaceutical
and
biomedical
research.
Combined
with
its
nontoxic
behavior,
biodegradability,
biocompatibility,
found
widespread
applications
fields
drug
delivery,
tissue
engineering,
cosmetics.
As
a
novel
carrier,
is
regarded
as
one
promising
biomaterials
industry.
The
extensive
use
this
cationic
biopolysaccharide
delivery
therapeutic
agents
brought
limitations
into
limelight.
Various
chemical
modifications
can
minimize
these
improve
efficacy
carrier.
effectiveness
several
chemically
modified
derivatives,
including
trimethyl
chitosan,
thiolated
PEGylated
other
been
investigated
by
many
controlled
target
specific
therapeutics.
derivatives
exhibited
greater
importance
current
scenario
on
due
to
their
solubility
wide
range
media
along
interaction
pharmaceutically
active
ingredients.
Chitosan
have
also
attracted
fields,
wound
healing,
hyperthermia
therapy,
bioadhesives.
present
review
narrates
sources
common
physicochemical
properties
important
synthetic
obtain
chitosans
target-specific
applications.
Marine Drugs,
Год журнала:
2022,
Номер
20(1), С. 69 - 69
Опубликована: Янв. 13, 2022
Chitosan
obtained
from
abundant
marine
resources
has
been
proven
to
have
a
variety
of
biological
activities.
However,
due
its
poor
water
solubility,
chitosan
application
is
limited,
and
the
degradation
products
oligosaccharides
are
better
than
regarding
performance.
two
kinds
active
groups,
amino
hydroxyl
which
can
form
derivatives,
properties
these
derivatives
be
further
improved.
In
this
review,
key
structures
recent
studies
on
oligosaccharide
including
their
synthesis
methods,
described.
Finally,
antimicrobial
antitumor
applications
discussed.
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
95, С. 106395 - 106395
Опубликована: Апрель 1, 2023
The
maidenhairtree
polysaccharides
(MTPs)
have
important
application
prospects.
So,
the
extraction,
purification,
structure,
derivatization
and
biological
activities
of
from
leaves,
fruits,
testae
were
disscussed.
Polysaccharides
extracted
by
collaborative
extraction
methods
such
as
ultrasound-assisted
microwave-assisted
extraction.
had
higher
content
efficiency.
structural
characteristics
structure-activity
relationship
studied
in
order
to
provide
theoretical
basis
technical
support
for
further
development
utilization
polysaccharides.
Frontiers in Chemistry,
Год журнала:
2024,
Номер
11
Опубликована: Янв. 4, 2024
For
many
years,
chitosan
has
been
widely
regarded
as
a
promising
eco-friendly
polymer
thanks
to
its
renewability,
biocompatibility,
biodegradability,
non-toxicity,
and
ease
of
modification,
giving
it
enormous
potential
for
future
development.
As
cationic
polysaccharide,
exhibits
specific
physicochemical,
biological,
mechanical
properties
that
depend
on
factors
such
molecular
weight
degree
deacetylation.
Recently,
there
renewed
interest
surrounding
derivatives
chitosan-based
nanocomposites.
This
heightened
attention
is
driven
by
the
pursuit
enhancing
efficiency
expanding
spectrum
applications.
Chitosan’s
adaptability
unique
make
game-changer,
significant
contributions
industries
ranging
from
healthcare
environmental
remediation.
review
presents
an
up-to-date
overview
production
sources
extraction
methods,
focusing
chitosan’s
physicochemical
properties,
including
weight,
deacetylation
solubility,
well
antibacterial,
antifungal
antioxidant
activities.
In
addition,
we
highlight
advantages
biopolymer
modification
with
recent
advances
in
preparation
Finally,
versatile
applications
chitosan,
whether
native
state,
derived
or
incorporated
into
nanocomposites
various
fields,
food
industry,
agriculture,
cosmetics
pharmaceutical
medicine,
wastewater
treatment,
were
discussed.
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
95, С. 106416 - 106416
Опубликована: Апрель 20, 2023
Antitumor,
antioxidant,
hypoglycemic,
and
immunomodulatory
properties
are
all
exhibited
by
maize
polysaccharides.
With
the
increasing
sophistication
of
polysaccharide
extraction
methods,
enzymatic
method
is
no
longer
limited
to
a
single
enzyme
extract
polysaccharides,
more
often
used
in
combination
with
ultrasound
or
microwave,
different
enzymes.
Ultrasound
has
good
cell
wall-breaking
effect,
making
it
easier
dislodge
lignin
hemicellulose
from
cellulose
surface
husk.
The
"water
alcohol
precipitation"
simplest
but
most
resource-
time-consuming
process.
However,
"ultrasound-assisted
extraction"
"microwave-assisted
methods
not
only
compensate
for
shortcoming,
also
increase
rate.
Herein,
preparation,
structural
analysis,
activities
polysaccharides
were
analyzed
discussed.
