| You
are in Research Marijuana
v.s. Tobacco smoke compositionsFrom:
Institute of Medicine, Marijuana and Health, Washington,D.C.
National Academy
Press, 1988 Table
3 : Marijuana and Tobacco Reference Cigarette Analysis of Mainstream Smoke (pg
17)
| A.Cigarettes |
| Units | Marijuana | Tobacco |
| | (85mm) | (85mm) |
| Average
Weight | (mg) | 1115 | 1110 |
| Mositure
| (%) | 10.3 | 11.1 |
| Pressure
Drop |
cm |
14.7 |
7.2 | | Static
Burning rate |
mg/s |
0.88 |
0.80 | | Puff
Number | |
10.7 |
11.1 |
| B.Mainstream
Smoke | I.
Gas Phase | Units | Marijuana | Tobacco |
| Carbon
Monoxide |
% |
3.99 |
4.58 | | |
mg |
17.6 |
20.2 | | Carbon
Dioxide |
% |
8.27 |
9.38 | | |
mg |
57.3 |
65.0 | | Ammonia
|
mcg |
228 |
199 | | HCN
|
mcg |
532 |
498 | | Cyanogen
(CN)2 |
mcg |
19 |
20 | | Isoprene
|
mcg |
83 |
310 | | Acetaldehyde
|
mcg |
1200 |
980 | | Acetone
|
mcg |
443 |
578 | | Acrolein
|
mcg |
92 |
85 | | Acetonitrilebenzene
|
mcg |
132 |
123 | | Benzene
|
mcg |
76 |
67 | | Toluene
|
mcg |
112 |
108 | | Vinyl
chloride |
ng | 5.4 |
12.4 | | Dimethylnitrosamine
|
ng | 75 |
84 | | Methylethylnitrosamine |
ng | 27 |
30 | | pH,
third puff | |
6.56 |
6.14 | | fifth
puff | |
6.57 |
6.15 | | seventh
puff | |
6.58 |
6.14 | | ninth
puff | |
6.56 |
6.10 | | tenth
puff | |
6.58 |
6.02 |
II.
Particulate phase | Units | Marijuana | Tobacco |
| Tl
particulate - dry |
mg |
22.7 |
39.0 | | Phenol
|
mcg |
76.8 |
138.5 | | o-Cresol
|
mcg |
17.9 |
24 | | m-
and p-Cresol |
mcg |
54.4 |
65 | | Dimethylphenol
|
mcg |
6.8 |
14.4 | | Catechol
|
mcg |
188 |
328 | | Cannbidiol
|
mcg |
190 | | D9
THC |
mcg |
820 | | Cannabinol
|
mcg |
400 | | Nicotine
|
mcg | |
2850 | | N-Nitrosonornicotine
|
ng | |
390 | | Naphthalene
|
mcg |
3.0 |
1.2 | | 1-Methylnaphthalene
|
mcg |
6.1 |
3.65 | | 2-Methylnaphthalese
|
mcg |
3.6 |
1.4 | | Benz(a)anthracene
|
ng |
75 |
43 | | Benzo(a)pyrene
|
ng |
31 |
21.1 | Sources
cited by the Institute of Medicine:
Hofmann, D., Brunnemann, K.D.,Gori,G.B. and Wynder, E.L. On the carcinogenicity
of marijuana smoke, pp 63-81. In Runeckles, V.C. (ed) Recent Advances in Phytochemistry
New York: Plenum Publishing Corp., 1975.
Hoffmann, D., Patrianakos, C., Brunneman, K.D., et al. Chromatographic determination
of vinyl chloride in tobacco smoke. Anal Chem 48:47-50, 1976.
Brunnemann,K.D., Lee, H.C., and Hoffmann, D. Chemical studies on tobacco smoke.
XLVII. On the quantitative analysis of catechols and their reduction. Anal. Lett.
9:939-955, 1976.
Brunnemann, K.D., Yu, L., and Hoffmann, D. Chemical Studies on tobacco somke.
XLIX. Gas chromotographic determination of hydrogen cyanide and cynogen in tobacco
smoke. J Anal. Toxicol. 1:38-42, 1977. |
