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.
For constipation relief, look for reduced-fat snack foods that contain whole grains to increase your fiber intake. 1  Frozen Dinners These meals in a box may be convenient, but they rarely have the nutritional merits of a meal you prepare yourself, which puts them on the list of foods that can cause constipation. Instead of adding more foods that cause constipation to your meal, make sure that your steak comes with plenty of fiber-rich foods, like a baked potato (eat the skin) and a large salad for constipation relief.