What Not To Vacuum Seal. Dont vacuum seal or use an oxygen absorber to preserve sugar or brown sugar. Some types of food are more sensitive to light.

Chocolate- Keep your chocolate fresh longer. Often when placed under the pressure of sealing the food items will seep water oil or juices. Some types of food are more sensitive to light.
Store your labeled vacuum-sealed jars in a cool dark place for maximum storage life.
Youll also need to add new oxygen absorbers each time you open the container. When exposed to light the temperature of the product can increase. Perhaps the biggest issue with vacuum sealing is the use of plastic. Cheese- Vacuum seal an open block of cheese to keep it fresh 3 times longer than in a baggie.

