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BRITISH AMERICAN
TOBACCO
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BATCo document for PFSFC 1 March 1999
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Imperial Tobacco Limited/Limit~e
RESEARCH AND DEVELOPMENT DIVISION
MONTREAL
THIS REPORT MUST NOT BE COPIED OR SHOWN TO UNAUTHORIZED PERSONS.
O
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Co
BATCo document for PFSFC 1 March 1999
COPY NO.
~fiDgR~J~L T~BACCO LTD.
HOWI'1~),L
R.ES'I'R ZC'I'~D
PROGRESS I~PORT
JULY 1993 - DEC'-I~LBER 1993
B.A.T. CONFIDENTIAL - CATEGORY I: MINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
- I -
L~.OI~Ry PRODUCT RESEARCH
O
B.A.T. CONFIDENTIAL - CATEGORY I: MINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
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GROUP NUMBER :
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- 2 -
P
S
ITL CANADA
501
T-7281 ;T-7099 ;T-6967
Visa
YOUSSEF, M.
0.i * 1993
The goal of VZSA is to investigate produc~
oppo~unities which address the social and
legislative restrictions that ",...he smoker faces
on she use of cigarettes. Focus will continue
on tasting new papers as received from
suppliers and exploring recipe modifications
(T-?099}. This area also involves keeping a
watching brief on ETS studies conduc1:ed
elsewhere (T-7281).
GROUP BENEFIT
FUNDAMENTAL
GENERAL
ALTERNATIVE
PRODUCT RES/DEV
January 1994
Visa
Since the June 1993 Progress Report, a package
panel test was conducted for the latest low eLdest=sam prototyl:e #827, made to
du Maurier Light K.S. (duMLKS) specifications with Ecueta's sldeiureampaper
TaD 06651 (elect=ape=rotated to 30 CORESTA with added flavouEs}, Ratio falters
and recipe C01. Sample #827 was compared to previous sample #321, made to the
same specifications, but with Ecusua TaD 06650 paper (8 CORESTA - with added
flavours) and recipe C26.
Based on the resul~s, sample #827 was found no be slightly stronger with
marginally more tasT.a and irritaulon. It also had more impact. Appearance
and burning properties were similar to sample #321 (whitish ash), however, the
ash appearance of sample #827 is close= to the target cigarette (du MLXS).
Overall, sample #827 appears to be the best low sidestrlam prototype to date.
Results were presented to Marketing. A focus group may be conducted in Spring
of '94 for Sample #827 to reassess consumers interest in a low sidistre~
product.
CD
B.A.T. CONFIDENTIAL - CATEGORY I: ~IINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
-3 -
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a)
ZTL CANADA
578
T-6431;T-7711-2;T-6542;T-7344;T-6968;T-5549
Day
PORTER, A.
S.7 t 1993
This projec~ involves the development of a
tobacco combustion cigarette of conventional
appearance but which produces smoke with low
specific mutaginicity and low concentrations of
PAH, phenols, vapour phase aldehydes, HCN and
CO. This product will be designed to provide
acceptable taste and nicotine, while producing
reduced levels of 8idsstresm smoke compared
with conventional produc~e. The principal
strategy for achieving reduction of -...he
paniculate smoke noxae is by ~obac¢o
modification using solvent extraction (T-6431),
enzyme/microbial treatment (T-7711-2}, and
reconstitution (T-6542). Emphasis will also he
placed on retaining tobacco flavour components
during the various modification processes.
Vapour phase texas will be reduced by
conventional cigarette components such as
absorben= filters and ventilation (T-7344).
Analytical method development specifically for
DAY is also included in this project (T-6968,
T-5549). Successful developments of low
sides=ream products via proJsc~ VZSA will he
incorpora=ed into DAY as appropriate.
GROUP BENEFZT
FUNDAMENTAL
GENERAL
ALTERNATIVE
PRODUCT RES/DEV
January 1994
Day
Tobacco Frac~ionation ~De Gr~dp~ Y.)
(T-6431)
~b~ec~£ve Evaluation of Treated Samples= A formal evaluation of the
l@jec~ive ~king properties of cigarette #645 (process described in last
Progress Repo~c) was made by the ZTL Expert Panel. In general this sample
had a very poor smoke with below average mechanics, low impact, low level
of tobacco taste and unacceptable irritation. The tobacco taste was flat
with an unpleasant non-tobacco taste.
A new sample was prepared using the technique described in the previous
Progress Repor~ (Jan. '93 - July '93). In order to improve the ~king
properties of this cigarette, the solubles level was increased from 45%
(#645) to 60% of the total tobacco weight.
Cigarette #719 was made using ~he 60% W/W solubles treated tobacco using
DM~S construction parameters. Another sample, cigarette #518, was
0
B.A.T. CONFIDENTIAL - CATEGORY I: MINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
- 4 -
prepared with water only extracted V-09 with the concentrated Jolublmm
added back without any treatment. The tobacco used for cigaEsCts #418
was thus processed in the same way as samples #645 and #719 but no
specific tobacco coE~onsnts were removed. I~ was used as a conceal
tobacco.
Tobacco and smoke chemistry foe cigarettes #719 and #518 are prelenced in
Table #1 toqecher w£th data for o£qa~s=~es #837 (un~=e&ted V-09) and
#645.
TABLX 1: PETSZCAL AND SMOKING RESULTS
Leaf Nic. (q)
Red. Sugars ( • )
CAge. P.D. It)
Puff Number
(~/ci;C)
(.~/puff)
TAR (.~/cl~)
l~l~f~)
(.~Iclcjt)
(rag/puff)
(mg/ci~)
(mg/puff)
CO (mg/cig~ }
{mg/puff)
COlT
T:NrC.
#837
2.67
21.2
121
10.0
23.02
2.30
I?.41
#645
2.03
18.2
123
9.4
18.42
1.49
14.02
#518
2.21
20.2
106
9.8
23.81
2.43
18.82
1.74
3.12
0.31
2.49
0.25
18.I5
1.82
1.04
7:1
1.49
2.73
0.29
1.67
0.18
15.02
1.60
1.07
8:1
1.92
3.28
0.33
1.71
0.17
17.48
1.78
0.93
11:0
#719
2.43
23.6
106
9.8
19.89
2.03
15.37
1.57
2.68
0.27
1.84
0.19
15.96
1.63
1.04
8:4
High nicotine recoveries were obtained for cigarettes #518 and #719, and
~hs tar to nicotine radios era good. Cigarettes #518 and #719 were
smoked for phenols {hycLToquinone, resorcinol, cateohol, phenol and o-m-p-
cresol), aldehydes (formaldehyde, acetaldehyde and acrolein),
benzo(a)pyrene, HCN and Ames specif£c activity. The results are reported
in Table 2.
CD
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B.A.T. CONFIDENTIAL - CATEGORY I: MINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
- 5 -
TAS~.~ 2, S~0KZ ~T.yS;S
Smoke Co m~onenua
Puff Numbec
TAR (mg/cig~.)
P"~NOLS ( ~g/c igt )
Ratio (#g phenolslmg tax')
xu~zs (.glc.-' ~)
#837
i
10.0
17.4
324
19
1461
#64S
9.4
14.0
152
11
1672
#51S
9.8
18.8
235
13
1530
#719
9.8
15.4
180
12
1652
Ratio (#g aldehydes/ms tar)
B(a)P (ng/cig~)
Ratio (ng B(a)P/mg tar)
HCN (pg/cig~)
Ra~io (gg HCN/mg tar)
Spec. Ac~ivlty
84
19
1.1
295
17
1.3
120
15
1.1
102
13
0.53
81
12
0.7
317
17
1.2
10?
14
0.9
164
11
0.63
B)
The deliveries of the two fully Creaced cigarettes #645 and #719 are
lower than the two control clgatette8 (#837 and #518) except for aldehyde
deliveries (see previous Progress Repo~).
Subjectively cigarette #719 was an improvement Over cigarette #64S.
However it m:ill had a low impact, I=e ~:Itanion, • modifi~ tobacco
flirt an a slight off-Baste despite Bigh tac and nicotine deliveries.
Modification of the pH of the aqueous extra¢~ (from 5.5 to 8.0}, as
suggested in =he last ProgEes8 Report, had little effec-, on the Impac~ of
ciga~s~.~es #645 and #719.
We are presmn~!y evaluanlng Bhe e~fsc= of Bhe extraction procedure on the
tobacco taste level and on the impac~ of ~he i~oke. These investigations
will be done with a new control blend since the taste level and impa~ of
the untreated control (#837) was surprisingly low. $ub~ec~ive evaluation
of the new control (V-23, lamina blend of JPSI showed high taste level
and high impact..
AldehYde R~uc~ion: ABtemp~e to reduce aldehyde deliverils of #645 were
made using absorbenB fil~ers: carbon, ductile, carbon + duolite, Hg
8illcaue ÷ carbon and sodium ¢aEbonate. Carbon was used in a triple
falter configuration at 75 ms/tip. Duolite It 60 ~/tip was in a dual
dalmatian conflguraClon; carbon + duolite (75 ml and 60 mq respectively)
was in a triple configuration; M~ silicate ÷ ~arbon (?S m~) was in a
~riple. Sodium carbonate was loaded into preformed cellulose acetate
filners from solution to give 25 ms/tip. All ~ilters were hand attached
~o #645 rods. P.O.'s ~eEe ± 20 ~=u of the contro~ (C.A.). Aldehyde
deliveries ws~s:
CD
N
B.A.T. CONFIDENTIAL - CATEGORY I: ~IIN~ESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
- 6 -
Cellulose Acenaue (Ccn~rol)
Cazbon
Duolite
Carbon ÷ Duolite
Mg silicon8 + Carbon
Sodium Carbonane
TQ r •
Ace,
Act.
(ug/cig.
242
11S (52)
73 (70)
50 (79)
144 (40}
115 (53)
(q Reduction va
1250
10SS (15)
1195 (4)
869 (31)
1044 (17)
1111 (11)
Control}
180
S4 (?0)
114 (37)
38 (78)
~l (6o)
175 (3)
Results wore as expecned exceF for the mll effect of duellos on
acetaldehyde. This m87 be due to aging of the duellos (6 yrs.), which
also gave a pronounced off-taste. Sodium carbonate was effective for
fo~aldehyde buu noC the ocher aldehydes.
Future work will include evaluation of DLaion Resin repoECmd under ?344.
~-~CALE PREPARATTON OF RECONSTTTUTED TOBACCO SHEETS (T-6542)
s0H~A~:
Reconstituted tobacco sheens were made using a laboranory drum casner and the
following componenns: ~obacco flour (83-89% W/W), sodium
carbox~hylcellulose (5-10% W/W}, glycerol (5% w/w) and various salts as
addinives (1-2% W/W).
The following additives were used in the hope of improving the sheen flavour:
ammonium phosphanemonobaeic, (NH4)g~PO,; ammonium blcarbonate, (HN,):C03;
1~Ycaesium carbonate, K~O3; sodium carbonate, Na~; and ammonium citrate
dibasic, C~H~.~OT. The sheens will be shredded and puc in duMl~S ¢igare~¢e
tubes for subjective evaluation.
J~
CD
P~
J~
q
B.A.T. CONFIDENTIAL - CATEGORY I: ~IINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
- 7 -
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Presence of Oraanic Solvents:
P
$
ITL CANADA
416
T-7711-2
Enzyme/Microbial TreaUmenn of Tobacco
BILIMORIA, M.H.
0.8"1993
This s=udy focuses on uhe hydrolysis and
removal of ~obacco polymeric materials such as
pro~eins, pectins, e~o. and ~heir d~rada~ion
produc~8 using enzymaa and/or microorganisms.
GROUP RELEVANT
FUNDAMENTAL
GENERAL
ALTERNATIVE
PRODUCT RES/DEV
January 1994
Enzyme~Microbial Trea~menn of Tobacco
i. Enzymatic Protein Removal from Tobac~q ~,n
Some enzymes, such am llpames and peeresses,
~a known =o bo more s~ablo in organic 8clven=s ~han in wares. Consequently
have dote~nined ~he pEo~eoly~ic ac~ivi=y of ~he Asoeraillua pro~eaee (Si~na
P-4032) in ~hree solvents, vlz, acetone, euhanol and me~hano! in
concentrations ranging f~ 10t ~o 50%.
PROTEZN REMOVAL FROM FLUE-CURED TOBACCO BY ASPEROZLLUS ORYZAE PROTEASE
IN TEE PRESENCE OF ORG~ZC SOLVI~NT5
SOLVENT
W~TZR
10t
20%
50%
ZT~A~OL
10%
20%
S0%
10t
20%
50%
t BSA as s~andard.
PROTEIN CONTENT - MG/GM DWRT
TREATMENT
CONTROL - NO PROTEASE
68.9
68.1
66.4
59.7 (13)
67.2
70.4
66.8
69.4
71.1
62.1 (I0)
PROTEASE
29.1 (58)
30.8 (ss)
38.1 (45)
52.8 (23)
37.7 (4s)
48.8 (29)
60.6 (12)
36.g (46)
39.9 (42)
59.0 (14)
The samples were treated with pro:ease (5 mg/gm tobacco) for 18 hours on a
rotary shaker at R.T.
The numbers in bracke~8 are per csnn reductions as compared to aqueous
pro%ease ~rea~men~.
CD
P~3
B.A.T. CONFIDENTIAL - CATEGORY I: MINNESOTA TOBACCO LITIGATION
BATCo document for PFSFC 1 March 1999
