A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results.
Total Dietary Fiber. Kidney beans contain more total dietary fiber per serving than the seven other most commonly consumed legumes in the United States, including black-eyed peas, chickpeas, lentils and black, navy, pinto and lima beans.
It is found in the exterior of vegetables. Carrots, cucumber, zucchini, celery and onion skins are all sources of insoluble fiber. Eat the peel of vegetables like cucumber and zucchini to maximize your fiber intake. Snack on carrot and celery sticks with hummus or low-fat bean dip to increase the fiber in your diet.nother source of insoluble fiber is plant proteins. Legumes are rich sources of fiber, but only contribute about six percent of fiber in the American diet due to its low consumption. The legume family includes beans, peas and lentils. Seeds such as sunflower seeds and pumpkin seeds contribute insoluble fiber.