Which carbohydrate serves as roughage in the gut?

Roughage:

1. Roughage helps in the smooth movement of the food through the alimentary canal and maintains the flow properly.
2. The fibers present in the food items we consume such as vegetables and fruits act as roughage in the gut.
3. The food items having carbohydrate as the major nutrient often shows the presence of roughage such as wheat, lentils, etc.