The phrase "high amount of dietary fiber" means that the food contains a lot of a substance called fiber, which is good for your digestion and helps keep you healthy. Full definition
Most legumes contain relatively high amounts of both dietary fiber and resistant starches. (nutritionj.biomedcentral.com)
After studying a group of approximately 29,000 children and adults in the United States, researchers found that those who regularly ate mangoes consumed higher amounts of dietary fiber, vitamins B6 and C, magnesium, and potassium. (mindbodygreen.com)
Compared to orange flesh, orange peels contain higher amounts of dietary fiber, Vitamin C, magnesium, Vitamin A, calcium, and flavonoids. (petconsider.com)