Usually, a multiple preservative system, and /or the incorporation of hurdle technology, is needed to accomplish this goal. Preservatives should be effective at low concentrations in order to reduce costs, minimize toxicity effects, and not adversely affect the physical properties of the finished product.
Eating, Diet, & Nutrition for Constipation. How can your diet help prevent and relieve constipation? You can drink water and other fluids, such as fruit and vegetable juices and clear soups, to help the fiber in your diet work better. This change should make your stools more normal and regular.
Some foods that you can add to your diet for constipation relief that are rich in fiber: 1  fresh vegetables, particularly leafy greens, and fruits - keep the skins on. 2  whole grains. 3  seeds - particularly ground flax.  beans and legumes.