Determination of pre harvest interval for selected pesticides in hyacinth bean in the agro-climatic conditions of Bangladesh
Rozina Khanom,
Md Nasrul Millat,
S M Mizanur Rahman
и другие.
Asian-Australasian Journal of Food Safety and Security,
Год журнала:
2023,
Номер
7(1), С. 47 - 55
Опубликована: Май 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
Язык: Английский
Development of analytical method for fipronil determination using Gas Chromatography Triple Quadrupole Mass Spectrometry
Asian-Australasian Journal of Food Safety and Security,
Год журнала:
2023,
Номер
7(1), С. 40 - 46
Опубликована: Май 29, 2023
The
application
of
fipronil
for
the
control
insect
pests
different
crops
is
increasing
day
by
day.
As
a
result,
it
inevitable
to
remain
residues
in
treated
crops.
Therefore,
an
urgent
need
develop
analytical
method
quantification
fipronil.
Keeping
this
view,
study
was
initiated
and
optimize
residue
using
Gas
Chromatography
triple
quadrupole
Mass
Spectrometry
(GC-MS/MS).
A
number
experiments
has
been
conducted
select
parent
ion
precusor
based
on
these
findings,
determination
GC-MS/MS
developed.
linearity
developed
very
good
0.999.
optimization
MS/MS
parameters
done
properly
through
direct
injection
100
ug/L
standard
solution
Asian
Australas.
J.
Food
Saf.
Secur.
2023,
7
(1),
40-46
Язык: Английский
Degradation of selected organophosphorus pesticide residues and their pre harvest interval determination in hyacinth bean grown commercially in Bangladesh
Asian-Australasian Journal of Bioscience and Biotechnology,
Год журнала:
2023,
Номер
8(2), С. 30 - 37
Опубликована: Авг. 29, 2023
The
consumers
are
very
much
concerned
about
food
safety.
To
ensure
safe
for
the
consumers,
it
is
essential
to
follow
pre
harvest
interval
(PHI)
of
pesticides.
Therefore,
in
order
ascertain
pre-harvest
fenitrothion
and
diazinon
hyacinth
bean
environmental
conditions
Bangladesh,
this
study
was
started.
chosen
organophosphorus
insecticides
(fenitrothion
diazinon)
were
sprayed
with
recommended
dose
(1.5
ml/L
water)
a
field
trial
at
Entomology
Division
BARI,
Gazipur.
At
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
12
days
after
spray
(DAS),
samples
taken.
Gas
chromatography
(GC)
Flame
Thermionic
Detector
(FTD)
used
quantify
residues
prepared
using
modified
Quick,
Easy,
Cheap,
Effective,
Rugged
Safe
(QuEChERS)
extraction
method.
Fenitrothion
residue
found
up
8
DAS,
7
DAS
(0.018
mg/Kg),
level
above
MRL.
0.007
mg/kg,
which
below
Pre-harvest
determined
no
9
DAS.
Diazinon
MRL
(0.016
mg/Kg).
as
10
found.
Asian
Australas.
J.
Biosci.
Biotechnol.
2023,
(2),
30-37
Язык: Английский