Oxy-Sorb 100 Pack Oxygen Absorbers, 500cc Eliminates the need for additives such as bah, but, sulfur dioxide, sorbets, benzoates, etc. Use with gas flushing/vacuum packaging to absorb virtually all oxygen and absorb any oxygen that may permeate the package Significantly improves keeping qualities of polyunsaturated fats and oils Helps retain fresh-roasted flavor of coffee and nuts Prevents oxidation of spice oleoresins present in spices themselves and in seasoned foods; prevents oxidation of vitamins a, c and e