Detection and screening of organophosphate esters in infant formula from Shanghai, China: distribution characteristics and risk evaluation
Food Additives & Contaminants Part A,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Фев. 6, 2025
Organophosphate
esters
(OPEs)
have
raised
great
concerns
in
recent
years.
However,
information
regarding
their
occurrence
infant
formula
remains
limited.
Thus,
thirty-two
OPEs
were
measured
sold
Shanghai,
China
2023.
The
results
showed
that
OPE
was
widespread.
median
concentrations
of
organophosphate
diesters,
triesters,
and
total
2.28,
5.20,
8.63
ng/g,
respectively.
Tris(2-chloroisopropyl)
phosphate
(TCPP)
the
highest
concentration
(1.95
ng/g),
followed
by
triethyl
phosphate,
bis(1-chloro-2-propyl)
(BCPP),
tri-isobutyl
triphenyl
(0.532-0.581
ng/g).
dominant
chloro-OPEs
(TCPP
BCPP)
regional-specific.
Compared
to
corresponding
diester
often
lower,
except
for
bis(2-butoxyethyl)
tributoxyethyl
phosphate.
Additionally,
five
novel
with
phenyl
groups
identified,
showing
high
detection
frequencies
comparable
TCPP.
Raw
materials
food
processing
methods
might
affect
individual
OPEs.
estimated
daily
intakes
(EDIs)
ranged
from
62.3
355
ng/kg
bw/day.
EDI
occurred
infants
0-6
months
age
but
posed
no
obvious
health
risk
toddlers.
Further
studies
are
still
needed
evaluate
possible
implications
arising
metabolites,
as
well
potentially
synergistic
effects.
Язык: Английский
Affecting factors and health risks of organophosphate esters in urban soil and surface dust in a typical river valley city based on local bivariate Moran's I and Monte-Carlo simulation
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
481, С. 136534 - 136534
Опубликована: Ноя. 16, 2024
Язык: Английский
Unveiling the mechanistic in benzoic acid-enhanced hydrated electron reactivity: Synergistic degradation of organic phosphorus flame retardant precursors in UV/sulfite process
Separation and Purification Technology,
Год журнала:
2024,
Номер
unknown, С. 131323 - 131323
Опубликована: Дек. 1, 2024
Язык: Английский
Target and Nontarget Analysis of Organophosphorus Flame Retardants and Plasticizers in a River Impacted by Industrial Activity in Eastern China
Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
Industrial
activities
are
a
major
source
of
organophosphorus
flame
retardants
(OPFRs)
and
plasticizers
in
aquatic
environments.
This
study
investigated
the
distribution
40
OPFRs
river
impacted
by
industrial
manufacturing
plants
Eastern
China
target
analysis.
Nontarget
analysis
using
high-resolution
mass
spectrometry
was
further
employed
to
identify
novel
compounds
(NOPs).
Thirty-four
were
detected
water
samples,
with
total
concentrations
62.9–1.06
×
103
ng/L
(median:
455
ng/L).
Triphenylphosphine
oxide
diphenyl
phosphoric
acid
ubiquitously
up
620
127
ng/L,
respectively.
Among
26
identified
NOPs,
17
reported
for
first
time
environment,
including
14
organophosphate
esters
(especially
4
heterocycles
3
oligomers),
2
organophosphites,
an
organophosphonate.
Bis(2,4-di-tert-butylphenyl)
hydrogen
phosphate
2,2-dimethylpropoxy(propyl)phosphinic
high
predicted
persistence
or
toxicity
widely
detected,
semiquantified
990
1.0
Structurally
similar
exhibited
consistent
variation
trends,
suggesting
common
emission
source.
Estimated
annual
discharges
sea
20.6–37.0
kg/yr
30.8–161
NOPs.
These
findings
indicate
that
contribute
NOPs
catchment
its
estuary,
posing
ecological
risks
both
terrestrial
marine
Язык: Английский