Dr. Decuypere's Nutrient Charts. Use these charts to find the nutrient contents of your favorite fruits, nuts, proteins and vegetables. Click on the links below to visit each chart: Minerals | Vitamins | Fruits | Vegetables | Nuts & Seeds | Legumes | Proteins. Note that only those nutrients which appear in significant quantities are listed. For more detailed information, please visit the United States Department of Agriculture (USDA) Food & Nutrition Center.