What is food fresh™ ? food fresh™ is a specially designed crystal. Unlike other products, food fresh™ not merely absorbs odor molecules but eliminates them. How does food fresh™ work ? food fresh™ deals effectively with the root cause of the problem. At first glance, one notices the thousands of small pyramid shaped crystals. These provide the greatly expanded surface needed to absorb and eliminate odor saturated molecules. food fresh™ crystals contain positive Ions which cause odor saturated molecules to coagulate. The result is that odor molecules are not only captured but broken apart and done away with. Lab-Test on Food Deodorant Effect Odor Intensity measuring method with smell checker. Substance Odor 30 min 1 hr 2 hrs 3 hrs 4hrs Ammonia 0.5% smell of rotten garbage 90.0% 96.0% 98.0% 100.0% 100.0% Trimethylamine 0.1% smell of fish 96.88% 98.13% 99.38% 100.0% 100.0%