Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 29, 2023
The
following
study
aims
at
assessing
the
health
risks
associated
with
consumption
of
most
commonly
consumed
seafood
in
north-western
part
Croatia
due
to
presence
heavy
metals.
Samples
were
collected
and
analysed
for
lead
(Pb),
cadmium
(Cd),
mercury
(Hg)
content.
Analyses
Cd
Pb
carried
out
by
inductively
coupled
plasma
mass
spectrometry
(ICP-MS)
whereas
Hg
content
was
measured
using
atomic
absorption
(AAS).
Metal
concentrations
order
>
gilthead
seabream,
European
hake,
sardines,
tuna
fish
Patagonian
squid
(Cd)
metal
highest
concentration,
other
metals
being
Pb.
have
been
used
address
Estimated
Weekly
Intake
(EWI),
Target
Hazard
Quotients
(THQ),
Indices
(HI).
findings
revealed
that
tested
metals,
expressed
on
a
per
wet
weight
basis,
did
not
exceed
Maximum
Residue
Levels
(MRL)
those
compounds
mandated
national
Croatian
legislation.
However,
HI
above
1,
indicating
risk
adverse
effects
this
seafood.
We
conclude
certain
type
such
as
should
be
limited
when
sensitive
segments
population
children,
elderly
pregnant
women
are
concerned.
Our
results
strongly
advocate
more
stringent
quality
control
region.
Environmental Toxicology and Pharmacology,
Journal Year:
2023,
Volume and Issue:
104, P. 104307 - 104307
Published: Nov. 1, 2023
The
present
study
aimed
to
quantify
the
concentration
levels
of
potentially
toxic
elements
(PTEs)
such
as
aluminum,
arsenic,
cadmium,
chromium,
copper,
nickel,
lead,
zinc,
and
mercury,
well
microplastics
occurrence
in
various
tissues
fish
seafood
species,
commercialized
Lower
Danube
River
Basin.
A
health
risk
assessment
analysis
was
performed
based
on
PTEs
muscle
tissue.
Estimated
daily
intake
(EDI),
target
hazard
quotient
(THQ),
index
(HI),
cancer
(TR)
were
calculated.
It
observed
that
species
within
category
registered
highest
PTEs.
For
instance,
tissue
bivalve
Mytilus
galloprovincialis
(from
Black
Sea),
value
case
Zn
(37.693
mg/kg),
presence
polystyrene
polymer
identified.
values
associated
with
EDI,
THQ,
HI,
TR
PTE
exposure
significantly
lower
than
1.
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 25
Published: Jan. 2, 2025
Rivers,
often
the
primary
recipients
of
untreated
domestic
and
industrial
effluents,
have
increasingly
become
reservoirs
potent
toxins,
particularly
heavy
metals,
raising
serious
concerns
for
health
both
human
aquatic
life.
This
study
investigates
ecological
risks
associated
with
metal
accumulation
in
sediments
fish
from
Padma
River,
a
major
river
system
Bangladesh.
Using
Atomic
Absorption
Spectrometry
(AA-7000
series),
we
analysed
concentrations
cadmium
(Cd),
chromium
(Cr),
copper
(Cu),
mercury
(Hg),
nickel
(Ni),
lead
(Pb)
zinc
(Zn)
across
six
urban
areas,
revealing
significant
variability
among
different
stations.
The
highest
levels
were
observed
Chandpur
Pabna
districts,
notably
elevated
Cr,
Cu,
Hg,
Pb
sediment
samples.
Ecological
risk
assessments
indicated
'heavy
contamination'
Cr
sediments,
highlighting
deficiencies
waste
management
systems
Omnivorous
piscivorous
species
such
as
M.
corsula,
X.
cancila,
armatus
Chapainawabganj,
Pabna,
districts
exhibited
higher
compared
to
other
species.
Health
indices
THQ
HI
suggest
non-carcinogenic
Hg
Chapainawabganj
Chandpur.
Additionally,
severe
long-term
cancer
dietary
exposure
(TR:
corsula
=
4.26
×
10−2)
can
be
experienced
by
regular
consumers
contaminated
River.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(23), P. 16242 - 16242
Published: Nov. 23, 2023
Heavy
metals
are
among
the
most
important
pollutants
that
threaten
aquatic
environment
when
their
concentrations
exceed
certain
limits.
Some
of
these
and
metalloids
beneficial
necessary
for
fish,
but
others,
such
as
arsenic
(As),
chromium
(Cr),
cadmium
(Cd),
lead
(Pb)
mercury
(Hg),
non-essential
toxic.
In
reviewing
recent
relevant
literature,
4
different
continents,
13
countries,
more
than
50
fish
species
were
analyzed
in
terms
As,
Cr,
Cd,
Pb
Hg
concentrations.
According
to
comparative
results,
it
was
found
Tercan
Dam
Lake,
Turkey,
highest
concentration
Cr
detected
Capoeta
umbla
(2.455
mg/kg),
As
Ctenopharyngodon
idella
(0.774
mg/kg)
species.
Greater
values
permissible
limits
FAO/WHO
also
Andalusia,
Southern
Spain,
Mullus
surmuletus
(0.427
Sardina
pilchardus
(0.561
Sprattus
sprattus
(0.636
Baltic
Sea,
a
remarkably
high
content
(8.48
determined
Penaeus
notialis,
Guinea,
Africa.
Moreover,
Cd
low
nil
almost
all
cases,
with
exception
Amblyceps
mangois
collected
from
Dhaleshwari
River
Bangladesh,
which
showed
value
(0.063
mg/kg).
Finally,
extremely
levels
Plectropomus
pessuliferus
(5.05
Epinephelus
summana
(2.80
Jeddah,
Saudi
Arabia.
The
under
limit
megrim
red
mullet
Andalusian
Sea
exhibiting
relatively
higher
(0.091
0.067
general,
sequence
accumulation
toxic
elements
>
Hg.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(7), P. e29041 - e29041
Published: April 1, 2024
Pollution
of
plastic
waste
in
aquatic
ecosystems
Ghana
is
significant
concern
with
potential
adverse
effects
on
food
safety
and
ecosystem
function.
This
study
examined
the
abundance
distribution
microplastics
(MPs)
freshwater
biota
samples
namely:
African
river
prawn
(Macrobrachium
vollenhovenii),
Volta
clam
(Galatea
paradoxa),
Nile
tilapia
(Oreochromis
niloticus),
sediment
from
Lake.
Both
were
subjected
to
microscopic
identification
FTIR
analysis.
In
samples,
highest
mean
microplastic
4.7
±
2.1
items
per
individual
was
found
prawn,
while
recorded
least
(2.8
0.6
individual).
A
total
398
particles
observed
Microfibers
major
shapes
identified
samples.
We
relationship
between
abundance,
size,
properties.
Despite
lack
statistical
significance,
shape,
polymer
composition
assessed
organisms
mirrored
those
benthic
sediment.
Polyethylene,
polypropylene,
polyester,
polystyrene
four
dominant
types
sediments.
Although
estimated
human
exposure
relatively
low
compared
studies
other
regions
world,
presence
raises
for
fisheries
products
consumed
by
general
populace
country.
research
essential
developing
effective
mitigation
measures
tackling
wider
contamination
Ghana's
ecosystems,
particularly
Food Additives and Contaminants Part B,
Journal Year:
2024,
Volume and Issue:
17(3), P. 241 - 250
Published: June 19, 2024
Concentrations
of
toxic
metals
(Hg,
Pb,
and
Cd)
were
determined
in
the
muscles
Lepomis
macrochirus,
Barbus
callensis,
nasus
caught
from
Moulouya
River
Morocco
by
graphite
furnace
(for
Pb
cold
vapour
Hg)
atomic
absorption
spectrometry,
after
acid
digestion.
Although
concentration
some
species
was
relatively
high,
no
health
risk
has
been
identified
comparison
to
maximum
limits
as
set
European
Commission.
The
order
increasing
concentrations
Cd
<
Hg
Pb.
Calculated
Target
Hazard
Quotients
Indices
below
1,
indicating
that
intake
via
consumption
both
fish
does
not
represent
a
hazard
human
health.