Journal of the Chinese Chemical Society,
Journal Year:
2023,
Volume and Issue:
71(2), P. 232 - 239
Published: Dec. 17, 2023
Abstract
Chemical
components
in
the
hexane‐extract
mixture
from
Phalaenopsis
leaves
were
isolated
and
identified
during
spike
induction
process.
Several
lipophilic
as
oleic
acid,
1,2‐O‐dilinolenoyl‐MGDG,
1‐O‐linolenoyl‐2‐O‐linoleoyl‐MGDG,
α‐tocopherol
by
HPLC
NMR
techniques.
It
is
noteworthy
that
only
one
isomer
of
was
based
on
spectra
analysis.
MGDG
have
a
great
potential
to
be
control
factor
regulation
process
Phalaenopsis.
first
time
identify
chemical
related
temperature‐controlled
These
hydrophilic
hydrophobic
moieties
same
molecule
act
amphiphiles.
The
use
entire
mixed
hexane
extract
form
liposomes
containing
dmbpyPtCl
2
complex
greatly
enhanced
reactivity
for
inhibiting
E.
coli
growth
compared
with
single
amphiphile.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(2), P. 430 - 430
Published: Jan. 16, 2024
Fatty
acid
analysis
is
an
essential
step
in
evaluating
the
potential
of
macroalgae
for
biodiesel
production.
An
extraction
method
was
developed
to
simultaneously
analyze
up
five
types
biodiesel-fuel-related
fatty
acids
(myristic
acid,
palmitic
cis-palmitvaccenic
stearic
and
oleic
acid)
using
liquid
chromatography
tandem
mass
spectrometry
(LC–MS/MS).
Lypophilization
solid-phase
(SPE)
techniques
were
applied
improve
efficiency
effectively
purify
samples.
The
optimal
conditions
SPE
set
by
comparing
recoveries
according
various
solvent
each
(loading,
washing,
elution).
In
addition,
introduction
trimethylaminoethyl
(TMAE)
derivatives
hydroxyl
group
target
analyte
increased
ionization
sensitivity.
derivatized
samples
analyzed
LC–MS/MS
with
electrospray
positive
multiple-reaction
monitoring
modes.
analytes
separated
detected
within
13.5
min
a
CAPCELL
PAK
C18
MGII
S3
column.
Gradient
elution
performed
distilled
water
acetonitrile
containing
5
mM
ammonium
acetate.
This
offers
reliable
sensitive
tool
their
use
To
best
our
knowledge,
this
first
report
on
simultaneous
determination
TMAE
derivatization.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(16), P. 3760 - 3760
Published: Aug. 8, 2024
Cinnamomum
tamala
leaf
(CTL),
also
known
as
Indian
bay
leaf,
is
used
all
over
the
world
for
seasoning,
flavoring,
and
medicinal
purposes.
These
characteristics
could
be
explained
by
presence
of
several
essential
bioactive
substances
lipid
derivatives.
In
this
work,
rapid
screening
identification
chemical
compounds
in
supercritical
(SC)-CO2
extracts
CTL
use
UPLC-Q-TOF-MSE
with
a
multivariate
statistical
analysis
approach
was
established
both
negative
positive
mode.
A
total
166
metabolites,
including
66
monocarboxylic
fatty
acids,
52
dicarboxylic
27
acid
amides,
21
cinnamic
derivatives,
were
tentatively
identified
based
on
accurate
mass
spectrometric
fragmentation
pattern,
out
which
142
common
SC-CO2
CTL.
Further,
PCA
cluster
hierarchical
clearly
discriminated
profile
analyzed
allowed
selection
extract
rich
other
constituents.
The
result
showed
that
higher
number
detected
CTL4
(300
bar/55
°C)
than
extracts.
mono-
di-carboxylic
derivatives
first
time.
combined
chemometric
powerful
method
to
rapidly
screen
metabolite
profiling
justify
quality
flavoring
agent
functional
foods.
Journal of Pediatric Gastroenterology and Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 4, 2024
The
fatty
acid
supply
of
human
milk
(HM)
contributes
to
health
outcomes.
Sampling
fresh
analyze
its
content
is
challenging
because
ever-changing
nature.
Also,
obtaining
samples
from
lactating
mothers
challenging.
Facilitating
HM
collection
and
analysis
therefore
an
advantage.
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 19, 2024
Conventional
methods
for
detecting
unsaturated
fatty
acids
(UFAs)
pose
challenges
rapid
analyses
due
to
the
need
complex
pretreatment
and
expensive
instruments.
Here,
we
developed
an
intelligent
platform
facile
low-cost
analysis
of
UFAs
by
combining
a
smartphone-assisted
colorimetric
sensor
array
(CSA)
based
on
MnO
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
125(1), P. 1 - 90
Published: Dec. 16, 2024
The
octadecanoids
are
a
broad
class
of
lipids
consisting
the
oxygenated
products
18-carbon
fatty
acids.
Originally
referring
to
production
phytohormone
jasmonic
acid,
octadecanoid
pathway
has
been
expanded
include
all
Octadecanoids
formed
biosynthetically
in
mammals
via
cyclooxygenase
(COX),
lipoxygenase
(LOX),
and
cytochrome
P450
(CYP)
activity,
as
well
nonenzymatically
by
photo-
autoxidation
mechanisms.
While
well-known
mediators
plants,
their
role
regulation
mammalian
biological
processes
generally
neglected.
However,
there
have
significant
advancements
recognizing
importance
these
compounds
involvement
mediation
inflammation,
nociception,
cell
proliferation,
immuno-
tissue
modulation,
coagulation
processes,
hormone
regulation,
skin
barrier
formation.
More
recently,
gut
microbiome
shown
be
source
biosynthesis,
providing
additional
biosynthetic
routes
including
hydratase
activity
(e.g.,
CLA-HY,
FA-HY1,
FA-HY2).
In
this
review,
we
summarize
current
field
octadecanoids,
propose
standardized
nomenclature,
provide
details
preparation
measurement,
phase-I
metabolic
formation
mammals,
bacteria,
fungi,
describe
relation
pathophysiology
potential
use
biomarkers
health
disease.
Natural Product Communications,
Journal Year:
2024,
Volume and Issue:
19(6)
Published: June 1, 2024
Humans
are
often
exposed
to
a
variety
of
toxic
substances
(including
some
drugs,
herbs,
environmental
pollutants);
all
these
heterologous
can
result
in
metabolic
changes
organism.
Clarifying
their
details
will
help
understand
the
beneficial
and
effects
those
substances.
Traditional
toxicology
research
tends
focus
on
doses
time
rather
than
mechanisms
detoxification
methods.
Compared
with
other
omics
methods,
metabolomics
has
unique,
dynamic,
phenotypic
characteristics.
Similarly,
link
interaction
between
genes
environment;
it
represents
both
downstream
output
genome
upstream
input
environment,
reflects
interactions
biological
system
stimulation.
It
highlighting
not
only
but
also
closely
related
phenotype
events,
which
is
widely
employed
studies
presently.
Therefore,
strengthening
toxicological
based
better
action
Thus,
present
review
systematically
summarized
discussed
current
application
status
approaches
toxicology,
might
contribute
provide
deeper
understanding
processes
toxicity
caused
by
chemicals
herbal
medicines,
thereby
reducing
occurrence
damage
providing
technical
reference
for
research.
The
extraction
method
for
simultaneously
analyzing
fatty
acids
(Myristic
acid,
cis-Palmitvaccenic
Palmitic
Palmitic-9,9-d2
Oleic
Stearic
acid
and
Stearic-2,2-d2
acid)
related
to
biodiesel
fuel
in
large
algae
was
developed.
introduction
of
trimethylaminoethyl
(TMAE)
derivatives
into
the
hydroxyl
group
(-OH)
functional
analyte
able
improve
ionization
obtain
high
sensitivity.
Liquid
Chromatography
(LC)
used
investigate
optimal
mobile
phase
composition
flow
rate
separation
five
derived
acids.
In
this
study,
a
solid
(SPE)
column
introduced
efficient
acids,
conditions
SPE
were
set
by
comparing
recovery
according
solvent
each
step
(loading,
washing,
elution)
from
macroalgae.
