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BAT CDC Documents

Project Cowper - Examination of Experimental Blends - Report No D 1417 Restricted

Date: 10 Jan 1976
Length: 77 pages
105457225-100000076
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Original File
BATCO002
URL
http://outside.cdc.gov/images4/00/02/49/58/doc00001.TIF
Company
British American Tobacco
Date Loaded
04 Mar 2003
Author
BROOKS GOCRELLIN RA
Box
B3190-6

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-3- INTEODUCT TON An exam£naC£on (i) of the South African market revealed a distinct d£ffe~ence between brands produced by United Tobacco Co. (South) (a B.A.T company) and brands produced by Rmabrandt Group Ltd. (RoChmans Znternation81 Group). The investiKation included all brands which had a lZ or more share of the market. The resulting selection consisted of both "bleuded" and "flue-cured" types from both companies in a total of 21 brands. The brands were examined by: (a) (b) Co) Oil/wa~er partition analysis. Standard brand analysis. Smoke panel assessment of Lmpact and irri~tlon. Ze was possible to Kroup the brands by manufacturer and blend type usinK the experimental data. The Rembrandt brands were shown to be of ewo dlst£nct types: (i) "blended" produces characcarised by high O/~'P pyridines, extraceable n£cotine snd impact coupled with low O/~TP furfurals and =educing sugars and (i£) "flue-cured" products character£sed by moderate O/WE pyridines, low extractable nicoeine and impact coupled with hiKh O/WP £urfurals and reducing sugars. The U.T.C. products generally fell between (i) and (i£) in produce terms; furthermore, no clear analytical distinction be~weem U.T.C. "blended" and "flue-cured" products was found. ~ollowinK ~his clarlfica~ion of the product differences between manufacturers, experimental products were received from Soutb Africa for evaluanLon. The objective of this experLment was to modify the BENSON & HEDGESfEMBASSY blend so that one or both of these brands could BAT Co LTD - MINNESOTA TOBACCO LITIGATION k.,m
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-4- be matched to Re=he•us KS in product ceres; additionally the LUCKY STKXKE/HUNTER blend was also modified in an attempt to achieve LexinEton LS product characteristics. The experfmental products were examined by the same cechniques, (a)-(c) above, which discriminated between manufacturers and blend types. In addition, some smoke vapour phase analyses were conducted. As well •s the above experiments involvinE blend revisions, some further experiments were conducted to explore the effects of chanEes in cellulose acetate tow. EXPEEIMENTAL SAMPLES The blend compositions of the experimental ciEarettes which have been examined are listed in Table I. In addition, the composition of EMBASSY (and BENSON & HEDGES) and LUCKY STRIKE (and HUNTER) at the outset of the project, are shown in she Sable. During the course of the project, two fur=her s•ts of co~ercial EMBASSY or B. & H. and LUCKY STRIKE were received, which had incorporated some of the modifications suaEested by the experimental tiE•retie evalu•nlons. In this report, the original commercial samples - reported in (i) - have been coded ~, whilst subsequent co---erci•l samples have been coded ~ and ~, in chronological order, reflectinK the development of the brands. The experimental smnples were 818o received in 1~t,J'o separate sets, as detailed below. First Series Flue-cured Cigarettes (EO~ Elt E2) This enabl•d, throulh E0, an examination of • major blend revision; namely the elimination of PCL and domestic light air-cured and the BAT Co LTD - MINNESOTA TOBACCO LITIGATION m O ¢..,r'1 "',,.d
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-5- replacement of a subscantlal portion of imported flue-cured by domestic flue-cured. In addition the attributes of domestic and imported flue-cured could be ascertained via examination of E1 and E2 respectively. Blended Cigarettes (L~ N.P B, R, T) This enabled through L and N (L is flavoured N), an examination of blend revisions also; in this case, elimination of PCL and incorporation of domestic light air-cured toEether with increased levels of domestic Burley. Evaluation of B, I% and T enabled the attributes of do~-estlc Burley, imported Burley and domestic liEht elf-cured respectively, to be evaluated separately. At this sCaEe, commercial brands, coded ~ in this report, were also received, which had been slightly modified alone the lines of EO and L/N. Relevant competition brands - Rottnnans and Lexington - were also re-examined. Second Series Flue-cured Cilarettes (E3p E4~ ESp E6) E6 was a re-zwke of EO. E3 and E4 tested proEressive decreases in imported flue-cured content with respect to EO/E6, whilst E5 tested re-imtroduction of PCL into E3. Blended Ci~arettes~ (NL! B2r B3r B4r BS) NL was a remake of N and L. B2 and B3 tested the effects of sliEht increases in imported flue-cured and domestic Burley, respectively, at nhe expense of the domestic liEhr air-cured. B4 and B5 were B2 and B3 with PCL add-on, respectively. At this stage, commercial brands, coded ~ in this reporn, were also received, whLch had been further modified in the EO/E6 and N/L/NL direcUion. Relevant competition brands were aEain also received. BAT Co LTD - MINNESOTA TOBACCO LITIGATION "%.0
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-6- Ln addition, filter rods of 5Y/50 and 8Y/35 filament/total denier were examined to test the effect of filter modification. The majority of experimental products were tipped with 5Y/38 fil~ars. BLEND AND SMOKE ANALYSES Physical aspects of the experimennal and branded CiKarettes are detailed in Table 2; blend and smoke information is presented in Table 3. As in the recent report (I), extractable nicotine and reducing 8uKar data has been plotted, since this plot usefully dlscri~natad between manufacturers and blend types. Consequently, this plot will help to indicate whether the experimental blends are acquiring Rembrandt-llke characteristics, and which tobacco types should be included to improve the 'match' to Rembrandt products. The following observations were made from this data'- Pressure Drop Imported (E2) flue-cured tobacco pEoducad a hiKher pressure drop tobacco rod than domestic (El) flue-cured tobacco althouKh both rods have very similar packing densities. EO i8 as expected from its 50:50 EI-'E2 composition, intermediate in pressure drop. The tobacco rod pressure drops of EMBASSY and Roth~ans resemble E2 and El respectively. This may suKgest increased domestic usaKe by Rembrandt (with respect to U.T.C.) or be due to the lower density of the Rothmans tobacco rod. Imported Burley (E) results in a markedly hisher tobacco rod pressure drop than domestic Burley (B) and liKht air-outed (T) tobaccos; this, however, m£sht be explained by ~he higher density of the R tobacco rod. BAT Co LTD - MINNESOTA TOBACCO LITIGATION r,,o
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-7- 2. Nicotine/Susars E1 (domestic) tobacco contained less n~cotine but more sugars than E2 (imported). The same directional difference was noted (I) for Rembrandt and U.T.C. flue-cured brands, the Rembrandt brands containing less blend nicotine b=t hisher sugars than U.T.C. brands. This reinforces the impression that Rembrandt make greater use of domestic flue-cured grades. The E3-E5 series was higher in sugar content than EMBASSY and E2, and well matched to Rothmans. Imported Burley contained more nicotine than domestic Burley. The Burleys and air-cured samples generally contain more nicotine than the flue-cured samples. The low sugar content of these samples is reflected in the lowered sugar content of L/N/NL, and B2-B5 which contain more of these types of tobacco than LUCKY STRIKE ~. B3 approached Lexington in terms of suKar content; the sugar levels imply--,oh greater usaKe of Burley and a~r-cured in Lexington with respect to LUCK~ STRIKE. 3. Filter Characteristics The flue-cured and blended series were examined using 5Y/38 denier acetate filters w~th the exception of gO, El, E2, which were supplied with lower pressure drop 8Y/35 filters. At a later stake of the project 5Y[50 and 8Y/35 filters were supplied for comparison with 5Y/38 filters. The variations ~ filter pressure drop and plasticiser content are shown in Table 2 and are co~manted upon later in this report. 4. TPM and Nicotine Deliveries The gO, El, E2 series show h~Kher ~ and nicotine deliveries due to the lower efficiency 8Y/35 filters on these samples. However, domes=it flue-cured (El) delivers more TPM than imported flue-cured (E2) BAT Co LTD - MINNESOTA TOBACCO LITIGATION c..r'l

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