Table 3.
Comparison of Percent Water Content in Smokeless Tobacco Products from Four Studies, Measured as Oven Volatiles (OV) Using a Gravimetric Method, or Measured by Gas Chromatography with Thermal Conductivity Detection (GC-TCD)a
| water content (%) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006−2007, OV9 | 2010, OV12 | 2011, OV6 | 2015, GC-TCD (current work) |
||||||||||
| product name | type | mean | SD | N | mean | SD | N | mean | SD | N | mean | SD | N |
| Grizzly Wintergreen, Long Cut Premium | moist snuff | 53.2 | 0.1 | 3 | 46.3 | 1.8 | 7 | ||||||
| Hawken Wintergreen | moist snuff | 29 | 0 | 3 | 21.4 | 1.0 | 7 | ||||||
| Kodiak Wintergreen Premium | moist snuff | 54.2 | 0.1 | 3 | 45.2 | 1.6 | 7 | ||||||
| Red Seal Natural, Fine Cut | moist snuff | 54.6 | 0.1 | 3 | 48.1 | 2.9 | 7 | ||||||
| Skoal Cherry, Long Cut | moist snuff | 53.7 | 0.1 | 3 | 49.6 | 4.0 | 7 | ||||||
| Skoal Classic Straight, Long Cut | moist snuff | 54.4 | 0 | 3 | 54.8 | 0.6 | 7 | ||||||
| Longhorn Wintergreen, Long Cut | moist snuff | 54.7 | 0.1 | 3 | 45.6 | 3.0 | 7 | ||||||
| Red Man Golden Blend | chewing tobacco | 25.5 | 0.1 | 3 | 20.7 | 0.8 | 7 | ||||||
| Levi Garrett | chewing tobacco | 21.6 | 0.2 | 3 | 18.4 | 0.8 | 7 | ||||||
| Bruton Scotch | dry snuff | 7.2 | 0.1 | 3 | 7.91 | 0.39 | 7 | ||||||
| Dental Sweet Snuff | dry suff | 9 | 0.1 | 3 | 6.78 | 0.28 | 7 | ||||||
| Camel Snus Frost | snus | 32.2 | 0.1 | 3 | 29.2 | 3.4 | 17 | 32.8 | 1.5 | 17 | 26.1 | 0.9 | 7 |
a
Year indicates the purchase date for products analyzed in the study. To improve the comparison, datasets from any study for which NNN was reported as dry weight were converted to wet weight using the water content reported in that study.