TSNAs IN AIR CURED TOBACCO TASK FORCE
CURING COLLABORATIVE STUDY 2003
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY 2003
• Monitor the environmental parameters (RH%, T°C) in the course of Air Curing in tobacco (hobo loggers).
• To establish the relationships between curing conditions and TSNAs conc. In Air Cured Tobacco.
OBJECTIVES
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY 2003
• Use preferably a high NN line of Burley or DAC Tobacco
• Carry out study in 5-10 different curing barns.
• Place hobo-loggers at a representative point in the barn and outside the barn.
• Record dates, observations at curing phases.
• Take a representative sample of upper-middle leaves around the hobo-logger for TSNA, NO2
-, NN and grade
PROTOCOL
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY: preleminary data
Code Grower Tobacco Transplant Topping
JTI-1Leaf Tobacco Research Center Japan
Burley Kitakami 1
April, 16June, 30 1 Leaf removed
August, 7 primed
JTI-2
Leaf Tobacco Research Center Morioka-Japan
Burley Burley 21
April, 22July, 3 1 leaf removed
August, 19 primed
US-1
U.S. Smokeless Tobacco Tennessee
D.A.C. TR Madole
May, 20August, 11 15 leaves
Sept, 11 stalk cut
ANITTA-1 Dutreuil 1Burley BB16A
May, 22 July,26 August, 29 stalk cut
ANITTA-2 Dutreuil 2Burley BB16A
May, 22 July,26 August, 22 stalk cut
Harvest
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY: preleminary data
Code Grower Tobacco Transplant Topping
ANITTA-3 Escup 1Burley BB16A
May, 29 End of July August, 13 stalk cut
ANITTA-4 Escup 2Burley BB16A
May, 29 End of July August, 20 stalk cut
ANITTA-5 Escup 3Burley BB16A
April, 22 End of July August, 22 stalk cut
ANITTA-6 Beaudoin 1Burley BB16A
April, 16 July,18 August,13 stalk cut
ANITTA-7 Beaudoin 2Burley BB16A
April, 16 July,18 August, 22 stalk cut
Harvest
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY: preleminary data
CodeType and Dimensions
(m)Roof Wall
%Side openings
Spacing equipments H EOY EOB EOC
JTI-1
Plastic shed L:9 W:4,5 H:3,3then conventional L:7,2 W:4,5 H:6,3
VinylSteel
VinylSteel
30%12%
145l / m3
204l / m3
--
Aug 7 primed
Aug 13 Aug 18 sept-05
JTI-2
Plastic shed L:18 W:4,5 H:3,3then conventional L:27 W:10 H:5,6
VinylSteel
VinylSteel
30%10%
145l / m3
204l / m3
Heater(oil)heater(oil)
Aug 19 primed
Aug 25 sept 5 sept 24
US-1Conventional L:40 W:13 h:10
metal wood 0,15
6,7 pl/m3
or 100,5 l>/m3
-
FR-1 Plastic shed Plastic Plactic 60% 30 pl/m² Heater (gaz) Aug 29 Sep 4 Sep 22
Curing PhasesThe Barn
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TSNAs IN AIR CURED TOBACCO TASK FORCECURING COLLABORATIVE STUDY 2003: preleminary data
CodeType and
Dimensions (m)Roof Wall
%Side openings
Spacing equipments H EOY EOB EOC
FR-2 Plastic shed Plastic Plastic 60% 30 pl/m² Heater (gaz) Aug 20 Sep 4 Sep 22
FR-3 Conv. 1 tier Fibrocement Plastic 50% 27 pl/m² Aug 20 Aug 30 Sep 15
FR-4 Conv. 2 tier tile Plastic 20% 27 pl/m² Aug 13 Aug 30 Sep 15
FR-5 Conv. 1 tier Metal sheet Plastic 50% 27 pl/m² Aug 20 Aug 30 Sep 15
FR-6 Plastic shed Plastic Plastic 60% 33 pl/m² Heater (gaz) Aug 13 Aug 20 Sep 10
FR-7 Plastic shed Plastic Plastic 60% 33 pl/m² Heater (gaz) Aug 22 Aug 30 Sep 20
Curing PhasesThe Barn
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