Thermolysis of pesticide residues during tobacco smoking

Chemosphere, Vol.16, Nos.2/3, Printed in Great Britain

pp 521-522,

1987

0 0 4 5 - 6 5 3 5 / 8 7 $3.00 + .OO P e r g a m o n Journals Ltd.

T H E R M O L Y S I S OF P E S T I C I D E RESIDUES DURING T O B A C C O SMOKING

W. Lorenz, Gesellschaft

M. Bahadir and F. Korte

f~r Strahlen- und U m w e l t f o r s c h u n g mbH M H n c h e n Institut fur O k o l o g i s c h e Chemie D-8042 N e u h e r b e r g and Lehrstuhl

f~r O k o l o g i s c h e Chemie

der T e c h n i s c h e n Universit~t M H n c h e n D-8050 F r e i s i n g - W e i h e n s t e p h a n

Residues

in Tobacco Products

The

supply

of

role

in the

European

the of

four plant

stances as

main

tobacco

have as

producers

consumer

exposure

arising

necessary

of

Mediterranean

tobacco

methods

to be studied the

from

C o m m u n i t i e s I. Turkey,

protection

well

is

raw

by

in

this

agriculture

to d e t e r m i n e of

man

pesticide

to obtain

in

to

Italy

region.

an

important

and France

play

represent

Together

transport

routes

with of

in

about

To

estimate

tobacco

the

and

behaviour

the

use sub-

pollution

risk

tobacco of

the

active

the extent of e n v i r o n m e n t a l

chemicals.

residues

informations

Countries

Greece,

of

products

pesticides

the it

during

smoking process.

Materials A

and Methods

modified

trap

smoking

simultaneously

(room-air) 2 . and

the

smoke. maneb many

products

The during

were

including

smoking

of

in

(going

with

was

various

was into

developed lungs)

14C-labelled

made:

14C02

lindane,

process

products

cigarettes

smoke

spiked

analysis

behaviour

pyrolysis

for

mainstream

Cigarettes

following

pyrolysis

apparatus

amount

and DDT,

14CO

were identified.

521

unchanged

in

With of

and

the

were

and

monolinuron, help and

of

to

smoke smoked

pesticides,

mainstream

mainstream

allows

sidestream

pesticides

malathion,

studied. traps

of

which

their

sidestream captan

GC/MS

and

analysis

sidestream

smoke

522

Results It was

ascertained

in mainstream cides of

in

the

The

that

mainstream

distribution filter,

ly

uniform.

of

unchanged

while

of

the

4.8%,

are

the

other

pesticides maneb

filtering

With

the

tered only The

the

amount

a

pressures

hand in

and the

40.4%).

The

of

the

predominate

case of

of

14C02

in

formation

in

lindane

one

steam

volatility influence.

trapped

half

of

smoke,

smoke

while

in

in

is

each

amount

captan,

they

compounds. the

sidestream

case

(lin-

that

maneb

the

maneb

smoke

14C-labelled and

main-

relativethe

showed

captan

product

was

in

12.5%,

filters

the

of

pesticides

in sidestream

the

compounds

fractions

differences

14C02

of

unaltered

sidestream

the

pesti-

significant

(lindane

of

mainstream the

no

great

smoke

non-volatile

in sidestream while

for all examined were

examination

about

with

have

in various

there

place

The amount of unchanged

relationship

mainstream

unselectively

exception

products in

showed vapour

butt and sidestream was

On

takes

dominate.

radioactivity

(n.d.= not detectable)) dane

pyrolysis

processes

smoke

substances,

stream,

in general

destillation

main

unalsmoke

compound.

higher

than

in

pesticides

in

mainstream smoke. Discussion A

comparison

tobacco

tolerances less

between

smoke

the

natural

shows

only

lead

that to

possibility

smoke

a small

of

components

pesticide

the

residues

additional

formation

of

and

unchanged

within

risk very

for

proposed the

toxic

or

consumer.

pyrolysis

existing Neverthe-

products

of

pesticide residues must be taken into account.

References I. Commission

of

the

and tobacco products 2. W.

Lorenz,

Verhalten

European I., von

Communities,

Pesticide

residues

in

tobacco

14 (1976). Pestiziden

Technische Universit~t M~nchen

1984.

beim

Zigarettenrauchen,

Dissertation,