Those Pesky Non-polar Molecules

5th April, 2005: Posted by glpease in Tobacco, Science

I’ve occasionally written about the difference between keeping moisture contained with pipe tobacco, and keeping all those lovely volatile organic, non-polar molecules that are responsible for flavour and aroma locked up. Tins, glass jars, multi-layer, high-barrier foil bags and so on do an excellent job at both, while most plastics, including freezer bags, “Seal-a-Meal” type vacuum bags, will do a fine job of keeping moisture in, but will not support proper aging, as they are permeable, in varying degrees, to the “good stuff.” But, just how important is it to store the tobaccos you enjoy smoking in a tightly closed environment? Read more…»