Asian-Australasian Journal of Food Safety and Security,
Journal Year:
2023,
Volume and Issue:
7(1), P. 47 - 55
Published: May 29, 2023
The
present
study
was
conducted
to
determine
the
pre
harvest
interval
of
chlorpyrifos
and
quinalphos
in
hyacinth
bean
agro-climatic
condition
Bangladesh
ensure
safe
food
for
consumers.
A
supervised
field
trial
undertaken
experimental
Entomology
Division
BARI,
Gazipur
selected
pesticides
(chlorpyrifos
quinalphos)
were
sprayed
with
recommended
dose
(1.5
ml/L
water).
samples
collected
at
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10
12
days
after
spray
(DAS).
extracted
cleaned
up
using
modified
Quick,
Easy,
Cheap,
Effective,
Rugged
Safe
(QuEChERS)
extraction
technique
residues
determined
by
Gas
Chromatography
(GC)
coupled
Flame
Thermionic
Detector
(FTD).
residue
detected
upto
8
DAS
(0.027
mg/Kg)
a
level
above
EU-MRL,
9
DAS,
no
detected.
So,
PHI
set
DAS.
On
other
hand,
which
EU-MRL
(0.02
mg/kg).
At
remained
0.009
mg/Kg,
below
EU-MRL.
Asian
Australas.
J.
Food
Saf.
Secur.
2023,
7
(1),
47-55
Asian-Australasian Journal of Bioscience and Biotechnology,
Journal Year:
2023,
Volume and Issue:
8(1), P. 8 - 16
Published: April 30, 2023
The
farmers
of
our
country
mostly
depend
on
chemical
pesticides
for
crop
protection
due
to
the
scarcity
competent
pesticide
alternatives
and
enough
knowledge
safe
pest
management.
As
a
result,
there
is
great
possibility
remain
residues
in
harvested
crops.
Keeping
this
view,
study
was
conducted
analyze
organophosphorus
yard
long
bean
collected
from
five
local
markets
Mymensingh
district
Bangladesh.
samples
were
carried
Pesticide
Analytical
Laboratory,
Entomology
Division
Bangladesh
Agricultural
Research
Institute
(BARI),
Gazipur
same
sampling
day.
analyzed
using
Quick,
Easy,
Cheap,
Effective,
Rugged
Safe
(QuEChERS)
extraction
technique
Gas
Chromatography
(GC)
coupled
with
Flame
Thermionic
Detector
(FTD).
Among
30
bean,
3
(10%
total
samples)
contained
residue
quinalphos,
which
2
quinalphos
above
MRL.
This
reflects
overall
scenario
city.
Therefore,
monitoring
vegetables
should
be
strengthened.
Asian
Australas.
J.
Biosci.
Biotechnol.
2023,
8
(1),
8-16
Asian-Australasian Journal of Bioscience and Biotechnology,
Journal Year:
2022,
Volume and Issue:
7(3), P. 114 - 121
Published: Dec. 31, 2022
Pesticide
residues
in
different
crops,
including
food
grains
and
vegetables
are
burning
issues
Bangladesh.
Therefore,
the
present
study
was
conducted
to
analyze
organophosphorus
pesticide
three
popular
(cauliflower,
hyacinth
bean
yard
long
bean)
collected
from
five
local
markets
of
Narsingdi
district
The
vegetable
samples
were
extracted
cleaned
up
using
Quick,
Easy,
Cheap,
Effective,
Rugged
Safe
(QuEChERS)
extraction
technique
analyzed
by
Gas
Chromatography
(GC)
equipped
with
Flame
Thermionic
Detector
(FTD).
A
total
45
analyzed.
Among
15
bean,
(20
%
samples)
contained
above
EU-MRL
remaining
did
not
contain
any
detectable
selected
pesticides.
In
case
cauliflower,
out
samples,
two
(13%
number
EU-MRL.
four
(27%
EU-MRLs.
This
reveals
status
residue
contamination
vegetables.
Asian
Australas.
J.
Biosci.
Biotechnol.
2022,
7
(3),
114-121
Asian-Australasian Journal of Bioscience and Biotechnology,
Journal Year:
2022,
Volume and Issue:
7(3), P. 107 - 113
Published: Dec. 31, 2022
The
present
study
was
aimed
to
optimize
an
analytical
method
for
the
quantification
of
carbamate
and
organophosphorus
insecticide
residues
using
Liquid
Chromatography
tandem
Mass
Spectrometry
(LC-MS/MS).
A
series
experiments
were
conducted
select
parent
ion
precusor
based
on
these
findings,
determination
LC-MS/MS
developed.
electrospray
ionization
(ESI)
mode
used
develop
method.
linearity
developed
very
good
it
0.999
carbaryl,
while
0.998
chlorpyrifos.
optimization
MS/MS
parameters
has
been
done
properly
both
selected
pesticides
through
direct
infusion
100
ug/L
pure
standard
solutions.
Asian
Australas.
J.
Biosci.
Biotechnol.
2022,
7
(3),
107-113
Asian-Australasian Journal of Food Safety and Security,
Journal Year:
2023,
Volume and Issue:
7(1), P. 47 - 55
Published: May 29, 2023
The
present
study
was
conducted
to
determine
the
pre
harvest
interval
of
chlorpyrifos
and
quinalphos
in
hyacinth
bean
agro-climatic
condition
Bangladesh
ensure
safe
food
for
consumers.
A
supervised
field
trial
undertaken
experimental
Entomology
Division
BARI,
Gazipur
selected
pesticides
(chlorpyrifos
quinalphos)
were
sprayed
with
recommended
dose
(1.5
ml/L
water).
samples
collected
at
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10
12
days
after
spray
(DAS).
extracted
cleaned
up
using
modified
Quick,
Easy,
Cheap,
Effective,
Rugged
Safe
(QuEChERS)
extraction
technique
residues
determined
by
Gas
Chromatography
(GC)
coupled
Flame
Thermionic
Detector
(FTD).
residue
detected
upto
8
DAS
(0.027
mg/Kg)
a
level
above
EU-MRL,
9
DAS,
no
detected.
So,
PHI
set
DAS.
On
other
hand,
which
EU-MRL
(0.02
mg/kg).
At
remained
0.009
mg/Kg,
below
EU-MRL.
Asian
Australas.
J.
Food
Saf.
Secur.
2023,
7
(1),
47-55
