Journal of Food Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Abstract
Most
existing
studies
have
focused
on
identifying
the
origin
of
species
with
protected
geographical
indications
while
neglecting
to
determine
proximate
different
species.
In
this
study,
we
investigated
feasibility
using
near‐
and
mid‐infrared
spectroscopy
identify
156
Polygonatum
kingianum
samples
from
six
regions
in
Yunnan,
China.
work,
spectral
images
modes
reveal
more
information
about
P.
.
Comparing
performance
traditional
machine
learning
models
according
single
spectrum
data
fusion,
middle‐level
fusion‐principal
component
model
has
best
performance,
its
sensitivity,
specificity,
accuracy
are
all
1,
least
number
variables.
The
residual
convolutional
neural
network
(ResNet)
constructed
1050–850
cm
−1
band
confirms
that
fewer
variables
beneficial
improving
model.
conclusion,
study
verifies
proposed
strategy
establishes
a
practical
source
Anthocyanin
is
an
important
class
of
water-soluble
pigments
that
are
widely
distributed
in
various
tissues
plants,
and
it
not
only
facilitates
diverse
color
changes
but
also
plays
roles
biological
processes.
Maize
silk,
serving
as
reproductive
organ
displaying
a
range
colors,
indispensable
role
biotic
resistance
through
its
possession
anthocyanin.
However,
the
copy
numbers,
characteristics,
expression
patterns
genes
involved
maize
anthocyanin
biosynthesis
fully
understood.
In
this
study,
gene
distribution,
structure,
cis-elements
synthetic
family
were
identified,
then
potential
transcriptional
factors
predicted
by
two
analyzed
methods.
Finally,
silk
pigment
screened
un-targeted
metabolism
analysis.
Ten
families
pathway
142
obtained.
These
biosynthetic
have
high
numbers
normally
clustered
on
chromosomes.
The
promoters
these
contain
regulatory
networks
analyzed.
different
chromosomes
vary
across
maize.
Specifically,
often
exhibit
higher
stem,
leaves,
seeds.
highly
expressed
silks
identified.
Based
metabolites
detection
four
representative
inbred
lines
with
main
differential
components
Furthermore,
ten
their
interacting
lines.
results
study
show
picture
genes,
structure
function
related
to
could
be
further
investigated.
Food Chemistry X,
Год журнала:
2024,
Номер
22, С. 101292 - 101292
Опубликована: Март 15, 2024
Polygonatum
kingianum
Coll.
et
(Hemsl)
is
a
famous
Chinese
traditional
food
and
medicine
analogous
plant.
The
rhizome
of
P.
showed
decrease
in
levels
alkaloids,
amino
acids
derivatives,
terpenoids,
an
increase
organic
acid
saccharides
when
it
was
processed
by
the
method
"Nine
Cycles
Steaming
Sun-Drying".
relative
content
341
metabolites
were
increased
(fold
change,
FC
>
2;
variable
importance
projection,
VIP
1
P-value,
P
<
0.05);
while
456
decreased
(FC
0.5,
1,
0.05).
changes
chemical
components
result
numb
taste
sweetness.
antioxidant
activity
observed
samples.
Together,
this
work
has
advanced
mechanism
reducing
enhancing
resource
plants,
such
as
kingianum,
method.
Molecules,
Год журнала:
2023,
Номер
28(23), С. 7745 - 7745
Опубликована: Ноя. 24, 2023
Cordyceps
represent
a
valuable
class
of
medicinal
fungi
with
potential
utilization.
The
overexploitation
and
resource
scarcity
sinensis
(CS)
have
led
to
the
emergence
such
as
militaris
(CM)
cicadae
(CC)
substitutes.
value
CS
is
often
considered
superior
other
Cordyceps,
potentially
owing
differences
in
active
ingredients.
This
study
aimed
evaluate
composition
abundance
primary
secondary
metabolites
its
substitutes
by
untargeted
metabolomics.
A
total
4671
from
18
superclasses
were
detected.
rich
amino
acids,
lipids,
organic
their
derivatives.
We
statistically
analyzed
found
285
differential
(3'-Adenylic
acid,
O-Adipoylcarnitine,
L-Dopachrome,
etc.)
between
CC,
CM,
CM
which
are
biomarkers.
L-glutamate
glycerophospholipids
metabolites.
KEGG
enrichment
analysis
indicated
that
tyrosine
metabolic
pathway
tryptophan
metabolism
most
differentially
expressed
pathways
among
three
Cordyceps.
In
contrast,
was
enriched
higher
lipid
when
compared
may
be
an
indispensable
foundation
for
pharmacological
functions
CS.
conclusion,
systematic,
metabolomics
analyses
delivered
precious
insights
into
metabolite
landscapes
predicted
components
disease
therapeutics.
Abstract
Background
According
to
Chinese
ancient
books,
both
fruits
and
rhizomes
of
Polygonatum
cyrtonema
Hua
have
medicinal
edible
values.
Up
now,
there
is
no
report
about
the
metabolite
profiles
regulatory
network
in
different
year-old
P.
.
Results
In
this
study,
we
performed
integrative
analyses
metabolome
transcriptome
reveal
dynamic
accumulation
The
relative
content
phenolic
acids,
lignans
coumarins,
flavonoids
alkaloids
increased
with
growth
years,
while
steroids
lipids
decreased
it.
addition,
nucleotides
derivatives,
flavonoids,
organic
were
higher
than
rhizomes.
Genes
that
might
relate
biosynthesis
polysaccharides,
triterpene
saponins
further
analyzed
by
analysis,
including
sacA
,
GMPP
PMM
CCoAOMT
CHI
ANR
CHS
DXS
GGPS
ZEP
CYP72A219
so
on,
for
their
expressions
positively
correlated
metabolites.
Additionally,
correlation
sugar
aromatic
amino
acids
metabolites
constructed
illustrate
some
transcription
factors
(TFs)
screened,
such
as
C2C2
MYB
bZIP
GRAS
NAC
Conclusions
This
study
can
deepen
our
understanding
patterns
molecular
mechanism
main
compounds
provide
reference
standardize
production
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Сен. 17, 2024
To
elucidate
the
mechanisms
underlying
photoperiodic
responses,
we
investigated
genomic
and
metabolomic
responses
of
two
broomcorn
millet
(Panicum
miliaceum
L.)
genotypes.
For
this
purpose,
light-insensitive
(D32)
light-sensitive
(M51)
genotypes
were
exposed
to
a
16
h
photoperiod
(long-day
(LD)
conditions)
an
8
(short-day
(SD)
conditions),
various
transcriptomic
changes
investigated.
A
total
1664,
2564,
13,017,
15548
DEGs
identified
in
SD-D,
LD-D,
LD-M,
SD-M
groups,
respectively.
Furthermore,
112
common
as
well.
Interestingly,
most
different
groups
associated
with
photosynthesis
phenylpropanoid
carotenoid
biosynthesis.
In
addition,
822
metabolites
under
treatments.
The
main
metabolites,
including
L-malic
fumaric
acids,
negative
mode,
whereas
brucine
loperamide
positive
mode.
KEGG
analysis
revealed
that
enriched
same
metabolic
pathway
TCA
cycle.
M51
mainly
D-glucose,
those
D32
acids.
One
candidate
gene
(C2845_PM11G01290),
annotated
ATP6B,
significantly
increased
levels
conclusion,
our
study
provides
theoretical
basis
for
understanding
molecular
response
regulation
can
be
used
reference
marker
development
resource
identification
Panicum
L..
Phytochemical Analysis,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 18, 2024
Medicinal
Polygonatum
species
is
a
widely
used
traditional
Chinese
medicine
with
high
nutritional
value,
known
for
its
anti-fatigue
properties,
enhancement
of
immunity,
delays
aging,
improves
sleep,
and
other
health
benefits.
However,
the
efficacy
different
varies,
making
quality
control
medicinal
increasingly
important.
Polysaccharides
are
important
in
because
their
potential
functional
such
as
antioxidation,
hypoglycemia,
protection
intestinal
health,
minimal
toxicological
effects
on
human
well
polysaccharide
levels.
