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.
Flax is full of fibre and is rich in omega-3 fatty acids. Carrots alone won't make you go to the bathroom. Full of fibre, raw carrots that are part of a healthy fibre-filled diet can improve your stool movement. Remember, eat them raw. Cooked carrots can lead to constipation. Beans, beans, the musical fruit.
There are foods that tend to have mild laxative properties, such as prunes. Other foods that may help relieve constipation include prune juice, figs, licorice, rhubarb, and other foods that are high in fiber. The high fiber content tends to act like a bulk-forming laxative, helping to soften the stool.