A Novel Polysaccharide Purified from Tricholoma matsutake: Structural Characterization and In Vitro Immunological Activity
Foods,
Год журнала:
2025,
Номер
14(6), С. 1031 - 1031
Опубликована: Март 18, 2025
Tricholoma
matsutake,
as
a
rare
wild
edible
mushroom,
is
popular
due
to
its
unique
flavor
and
taste,
well
high
nutritional
economic
value.
Investigating
the
relationship
between
complex
structure
in
vitro
immunological
activity
of
TMP-2a,
novel
polysaccharide
isolated
from
T.
was
aim
this
study.
The
results
showed
that
TMP-2a
consisted
six
monosaccharides,
fucose,
glucosamine
hydrochloride,
galactose,
glucose,
mannose,
glucuronic
acid,
with
molar
ratios
8.8:0.6:23.4:48.1:15.1:4.0
molecular
weight
27,749
Da.
Furthermore,
mainly
composed
→6)-β-Glcp-(1→
→3)-β-D-Glcp-(1→
forming
main
chain,
small
amount
→2,6)-α-D-Manp-(1→
→6)-α-D-Galp-(1→
structural
units
attached,
branched
chain
β-Glcp-(1→
or
α-L-Fucp-(1→
telosaccharide
attached
at
O-6
position
→3,6)-β-D-Glcp-(1→.
enhanced
proliferation
phagocytic
mouse
macrophage
RAW264.7,
secretion
NO
cytokines
(TNF-α,
IL-6,
IL-1β)
considerable
degree,
maybe
attributable
glucan
elevated
presence
(1→3)-β-D-Glcp
glycosidic
bonds.
This
study
establishes
basis
for
identification
comprehensive
investigation
functional
activities
matsutake
polysaccharides
while
also
offering
theoretical
framework
creation
matsutake-related
food
products.
Язык: Английский
Effects of Different Yeasts on the Physicochemical Properties and Aroma Compounds of Fermented Sea Buckthorn Juice
Bo Peng,
Liyue Fei,
Ziyi Lu
и другие.
Fermentation,
Год журнала:
2025,
Номер
11(4), С. 195 - 195
Опубликована: Апрель 7, 2025
Sea
buckthorn
juice
(SBJ)
has
a
sour
taste
and
can
lead
to
the
demineralization
of
tooth
enamel
when
consumed
over
long
period
time,
whereas
fermentation
reduces
acidity
sea
juice,
improves
its
taste,
enhances
antioxidant
activity.
Flavor
components
are
important
factors
that
affect
quality
fermented
beverages.
Yeast
is
one
most
affecting
flavor
beverages
during
process,
where
yeast
converts
sugars
into
alcohol
produces
substances.
Therefore,
two
commercial
strains,
Angel
RW
RV171,
were
selected
in
this
study
for
single
mixed
bacterial
(FSBJ).
Physicochemical
analyses
showed
RV171-FSBJ
had
highest
total
reducing
sugar
(0.069
±
0.02
g/L)
acid
content
(1.86
0.03
g/L),
as
well
efficiency
free
radical
scavenging
capacity
(1,1-diphenyl-2-picrylhydrazyl
(DPPH)
98.54
0.03%,
2,2′-azino-bis
(3-ethylbenzothiazoline-6-sulfonic
(ABTS)
88.35
0.14%,
·OH
48.61
0.4%).
RWRV-FSBJ
functional
compounds
(total
flavonoid
(TFC):
176.09
0.44
μg/mL;
phenolic
(TPC):
157.9
1.35
anthocyanin
concentration
(TAC):
0.04
0.004
μg/mL)
good
color
(L*
50.53
0.04,
a*
27.98
b*
173.64
0.34).
Among
three
FSBJs,
54
volatile
identified,
with
having
compounds.
OAV
analysis
15,
14,
11
RW,
RV,
RWRV,
respectively,
greater
than
1.
them,
ethyl
hexanoate
OAV,
followed
by
isovalerate,
phenylethyl
alcohol,
3-methylbutyl
3-methylbutanoate,
which
characteristic
substances
common
FSBJ.
Язык: Английский