Journal of the Science of Food and Agriculture,
Год журнала:
2024,
Номер
104(14), С. 8869 - 8878
Опубликована: Июль 4, 2024
Yeast
culture
(YC)
is
a
product
fermented
on
specific
medium,
which
type
of
postbiotic
anaerobic
solid-state
fermentation.
Although
YC
has
positive
effects
the
animal
growth
and
health,
it
contains
variety
beneficial
metabolites
as
dark
matter,
have
not
been
quantified.
In
present
study,
liquid
chromatography-tandem
mass
spectrometry
employed
to
identify
unknown
metabolites.
Following
their
identification,
important
chemicals
are
quantified
using
HPLC-diode
array
detection
methods.
Foods,
Год журнала:
2025,
Номер
14(2), С. 312 - 312
Опубликована: Янв. 17, 2025
Seventy-eight
autochthonous
strains
of
Rhizopus
arrhizus
were
isolated
from
rice
wine
starter
samples
across
twenty-nine
regions
in
China
to
evaluate
their
potential
traditional
fermentation.
Strains
assessed
for
enzyme
activity,
antioxidant
properties,
amino
acid
production,
and
volatile
flavour
compounds.
Significant
variation
activities
was
observed,
with
acidic
protease
activity
ranging
280
1023
U/g,
amylase
557
1681
esterase
370
2949
U/g.
W17
W42
exhibited
the
highest
capacities,
a
total
phenolic
content
828
mg/L,
flavonoids
215
μg/L,
an
ABTS
scavenging
rate
96.3%.
They
also
produced
high
levels
glutamic
(up
3083
mg/L),
enhancing
profile.
Histamine
low,
8
205
ensuring
product
safety.
Analysis
compounds
identified
80
substances,
including
16
key
aroma-active
compounds,
contributing
complex
These
results
provide
basis
selecting
R.
optimise
fermentation,
addressing
market
demand
diverse
functional
products.
LWT,
Год журнала:
2023,
Номер
188, С. 115351 - 115351
Опубликована: Сен. 26, 2023
Mulberry
leaves
contain
various
bioactive
constituents
and
are
widely
used
as
traditional
medicine
food
in
Asia.
In
this
study,
mulberry
were
processed
by
solid-state
fermentation
(SSF)
using
a
mixture
microbial
of
Lactobacillus
plantarum,
Candida
utilis,
Trichoderma
koningii,
Bacillus
cereus.
The
effects
SSF
on
the
metabolite
profile,
antioxidant
activity,
α-glucosidase
inhibitory
activity
(GIA)
investigated.
UPLC–QQQ–MS/MS-based
targeted
metabolomic
analysis
showed
detection
11
classes
metabolites.
drastically
influenced
metabolites
leaves.
A
total
441
differential
identified
after
SSF,
with
165
remarkably
up-regulated
276
down-regulated
during
fermentation.
main
types
phenolic
acids
flavonoids.
Furthermore,
significantly
increased
levels
phenolics
flavonoids,
enhanced
scavenging
activities
DPPH
radical
ABTS·+,
reducing
power,
ferrous
ion
chelating
ability,
ferric
conclusion,
our
study
revealed
that
improved
phytochemical
components
leaves,
thereby
contributing
to
enhancement
activities.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июль 29, 2024
Adlay
millet
seeds
are
well
known
for
excellent
health
benefits.
However,
using
fungal
fermentation
to
improve
their
nutritional
and
functional
constituents
the
underlying
mechanisms
has
not
been
thoroughly
investigated.
Herein,
we
used
Rhizopus
oryzae
as
starter
applied
metabolomics
combining
with
quantitative
verification
understand
changes
of
profiles
adlay
seeds.
Results
showed
that
a
total
718
metabolites
from
18
compound
classes
were
identified.
The
R.
varied
203
differential
metabolites,
which
184
became
more
abundant
19
got
less
abundant,
many
components
such
amino
acids,
nucleotides,
vitamins,
flavonoids,
terpenoids,
phenols
significantly
increased
after
process.
Interestingly,
found
synthesized
high
levels
two
important
beneficial
compounds,
S-adenosylmethionine
(SAMe)
β-Nicotinamide
mononucleotide
(β-NMN),
contents
0.56
370.26
μg/g
0.55
8.32
μg/g,
respectively.
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
analysis
enriched
revealed
acid
metabolic
pathways
conversion
primary
secondary
metabolites.
Specifically,
aspartate
can
up-regulate
biosynthesis
SAMe
β-NMN.
These
findings
improved
our
understanding
into
effects
on
enhancing
values
cereal
foods.
