Step 3: hold the bag by the seal on either side of the straw while asucking out the air. When the bag becomes tight just pull the straw out as you complete the seal so air will not rush back into the bag. Since you are removing air and not blowing into the bag, you won't have to worry about contamination. Hope this trick helps you have fresher tasting veggies from the freezer this winter.
When freezing fruits or vegetables. removing air from the bag can help keep the produce fresher longer. But you don't need an expensive vaccuum sealer to do so. Step 1: Insert the end of a straw in the bag. Step 2: Seal the bag on either side of the straw as closely as possible without flattening the straw.