Foods,
Год журнала:
2024,
Номер
13(21), С. 3433 - 3433
Опубликована: Окт. 28, 2024
Tea
standard
samples
are
the
benchmark
for
tea
product
quality
control.
Understanding
inherent
differences
in
Chinese
national
standards
Lapsang
Souchong
black
of
different
grades
is
crucial
scientific
development
standardization
work.
In
this
study,
that
meet
was
selected
as
research
object.
The
aroma
characteristics
were
comprehensively
analyzed
through
sensory
evaluation,
electronic
nose,
and
HS-SPME-GC-MS
(headspace
solid-phase
microextraction
gas
chromatography–mass
spectrometry).
findings
indicate
higher-grade
has
a
higher
evaluation
score.
results
nose
analysis
volatiles
with
mainly
terpenoids
nitrogen
oxides.
show
odor
super-grade
floral
fruity,
these
substances
include
D-Limonene,
3,7-dimethyl-1,6-octadien-3-ol
3-Hydroxymandelic
acid,
ethyl
ester.
primary
first-grade
floral,
sweet,
woody,
green,
key
contributing
compounds
including
2-Furanmethanol,
1-Octen-3-ol,
5-ethenyltetrahydro-α,α,5-trimethyl-cis-,
4,5-di-epi-aristolochene.
main
second-grade
herbal
scent,
3,7-dimethyl-1,6-octadien-3-ol,
2,3-dimethylthiophene,
Dihydroactinidiolide,
Naphthalene-1-methyl-7-(1-methylethyl)-.
It
worth
noting
contain
large
amount
phenolic
substances,
which
related
to
smoking
process
during
processing.
This
study
lays
solid
foundation
preparation
construction
system.
Heliyon,
Год журнала:
2024,
Номер
10(10), С. e31553 - e31553
Опубликована: Май 1, 2024
Plant
growth-promoting
rhizobacteria
(PGPR)
are
known
to
have
the
effect
of
promoting
plant
growth.
In
this
paper,
three
PGPR
strains
were
selected
from
previous
work,
which
had
activities
such
as
phosphate
solubilization,
nitrogen
fixation,
phosphorus
mobilization,
etc.
These
named
FJS-3(
Fermentation,
Год журнала:
2025,
Номер
11(2), С. 97 - 97
Опубликована: Фев. 14, 2025
An
tea
is
highly
valued
for
its
unique
post-fermentation
process,
which
enriches
flavor
and
aroma.
In
this
study,
the
digestion
fermentation
characteristics
of
polysaccharides
(ATPSs)
were
investigated
in
vitro.
The
results
indicated
that
molecular
weight
sugar
content
ATPSs
remained
unchanged
during
simulated
saliva,
gastric,
small
intestinal
but
reduced
fermentation,
suggesting
could
pass
digestive
system
be
metabolized
by
gut
microbiota.
Notably,
modulated
microbiota,
reducing
pathogenic
bacteria
such
as
Desulfovibrio
Escherichia,
while
enhancing
beneficial
genera
like
Lactobacillus,
Bifidobacterium,
Prevotella,
alongside
an
increase
short-chain
fatty
acids
(SCFAs).
vivo
experiments
on
C57BL/6J
mice
demonstrated
promoted
levels
Lactobacillus
Bifidobacterium.
These
findings
suggest
serve
a
potential
prebiotic
to
improve
human
health
modulating
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 12, 2025
Chinese
post-fermented
teas
are
produced
through
special
fermentation
by
microorganisms,
with
fungi
significantly
contributing
to
their
flavor
and
sensory
characteristics.
Here,
the
fungal
community
structure
function
were
investigated
using
Illumina
HiSeq
sequencing
of
ITS
rDNA
region
across
different
teas,
including
Fuzhuan,
Qingzhuan,
Tianjian
black,
Liupao,
raw
ripened
Pu-erh.
Additionally,
headspace
solid-phase
microextraction
gas
chromatography–mass
spectrometry
(HS-SPME-GC–MS)
technology
was
used
compare
volatile
components
tea
samples,
moisture
content,
pH,
total
nitrogen,
carbon–nitrogen
ratio,
sulfur
measured.
All
samples
slightly
acidic,
pH
values
5.56–6.43,
Ascomycota
most
dominant
phylum,
representing
over
90%
relative
abundance.
However,
there
significant
differences
at
genus
level
in
six
typical
teas.
Aspergillus
Fuzhuan
(91.16%),
Qingzhuan
(54.89%),
(64.11%),
Liupao
(47.43%)
whereas
Debaryomyces
Blastobotrys
genera
(35.67%)
(78.88%)
Pu-erh
tea,
respectively.
A
functional
prediction
analysis
revealed
that
gene
functions
involved
metabolism.
26
main
detected,
which
differed
composition
among
samples.
This
is
first
comparative
communities
results
will
aid
design
better
culturing
strategies
for
specific
species
influence
on
aroma
types
Frontiers in Veterinary Science,
Год журнала:
2024,
Номер
10
Опубликована: Янв. 5, 2024
Dark
tea,
rich
in
nutricines
including
tea
polyphenols
and
free
amino
acids,
is
a
kind
of
post-fermented
tea.
The
potential
application
against
oxidative
damage
senescence,
which
drives
animal
health
maintenance
disease
prevention,
has
attracted
considerable
interest.
In
this
study,
the
effect
dark
its
effects
on
longevity
defense
stress
was
investigated
Caenorhabditis
elegans
(
C.
)
model.
Under
normal
conditions,
extended
lifespan
without
significant
impairment
propagation.
It
also
improved
motility,
alleviated
fat
accumulation
apoptosis.
Additionally,
orally
administered
could
significantly
decrease
level
reactive
oxygen
species
(ROS)
resulted
superior
H
2
O
-induced
stressed
.
antioxidant
assays
vitro
,
found
to
be
strong
hydroxyl,
DPPH
ABTS+
radical
scavenging
capacity.
Interestingly,
mRNA
sequence
analyses
further
revealed
that
may
catalyze
intracellular
relevant
substrates
synthesize
antioxidants
through
synthetic
metabolic
pathways.
These
results
suggest
worth
exploration
as
dietary
supplement
for
prevention
related
diseases.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(16), С. 9072 - 9072
Опубликована: Авг. 21, 2024
The
average
content
of
casein
in
yak
milk
is
40.2
g/L.
Casein
can
be
degraded
by
enzymatic
digestion
or
food
processing
to
produce
abundant
degradation
peptides.
International
researchers
have
studied
the
peptides
using
multiple
techniques
and
methods,
such
as
vitro
activity
tests,
cellular
experiments,
proteomics,
bioinformatics,
etc.,
found
that
a
wide
range
functional
activities
are
beneficial
human
body,
angiotensin-converting
enzyme
(ACE)
inhibitory,
antioxidant,
anti-inflammatory,
antidiabetic,
antimicrobial,
anticancer,
immunomodulatory
activities,
it
has
been
proved
types
strengths
closely
related
structural
characteristics
This
paper
describes
proteins,
mechanism
action
Based
on
peptides,
we
classified
elucidated
effects
factors,
peptide
molecular
weight,
length,
amino
acid
sequence,
physicochemical
properties,
electrical
charge,
hydrophobicity,
spatial
conformation,
chain
type
these
activities.
It
reveals
great
potential
active
resources
auxiliary
treatments
for
diseases.
also
provides
important
insights
analyzing
exploring
high-value
utilization.
Journal of Medicinal Food,
Год журнала:
2024,
Номер
27(10), С. 912 - 921
Опубликована: Июль 13, 2024
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
is
a
complex
and
multifactorial
disease.
Dark
tea
exhibits
great
potential
for
various
bioactivities
metabolic
health.
In
this
study,
we
aimed
to
evaluate
therapeutic
effects
the
underlying
mechanisms
of
dark
wine
(DTW)
on
MASLD
with
obesity.
A
rat
model
was
established
by
high-fat
diet
administered
different
doses
DTW
as
an
intervention.
The
biomarkers
lipid
metabolism
oxidative
stress
in
rats
were
tested.
weight
organs
adipose
tissues
expressions
nuclear
factor
erythroid
2-like
2
(Nrf2)
heme
oxygenase-1
(HO-1)
investigated
based
pathology
western
blot
analysis.
We
found
that
enhanced
antioxidant
capacity
via
activating
Nrf2/HO-1
signaling
pathway,
further
markedly
triggering
inhibition
gain,
reduction
dysfunction,
improvement
pathological
characteristics
ameliorate
induced
diet.
These
results
suggest
promising
functional
supplement
prevention
treatment
