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.
Lentils and pinto beans are also rich sources of insoluble fiber, with lentils providing 4.6 grams in each 1/2-cup and pintos supplying 4.7 grams.Insoluble fiber is made up of the lignin, cellulose and hemicellulose from plant cell walls.It adds bulk to stool and can help regulate bowel movements.entils and pinto beans are also rich sources of insoluble fiber, with lentils providing 4.6 grams in each 1/2-cup and pintos supplying 4.7 grams.