Biological Heart Valves. Biological Heart Valves are made of tissues and valves derived from animals or human donors. Their biggest advantage is that they do not cause blood clotting on their surface and truly replicate the form and function of the normal human valve.
The biggest difference between cured and uncured is the fact that the uncured uses natural curing agents, such as celery powder, which transforms into nitrite when it is processed. Thus, uncured products have labels with: âNo Nitrates or Nitrites added except those naturally in celery powder or juiceâ.
Step 1: Order the Ham - Although the original chip chopped ham was made with pressed ham, you. can order up any ham at your deli for this sandwich. Note: Even if you usually order the more. expensive black forest or baked Virginia ham, don't be afraid to try the less expensive or. on sale hams for this sandwich.