Apples grow in a significant number of states, including Washington, Oregon, California, Utah, Arizona, New Mexico, Colorado, Minnesota, Iowa, Missouri, Arkansas, Nebraska, Kansas, Michigan, Illinois, Kentucky, Tennessee, Ohio, Georgia, South Carolina, North Carolina, Virginia, Pennsylvania and the New England states, according to the University of Illinois. The different types of apples include Fugi, Gala, Braeburn, Granny Smith, Jonagold, Winesap, Arkansas black and Rome.
Apples are a highly nutritious food, according to the University of Illinois. The rich fruits contain soluble and insoluble fiber. Soluble fiber helps prevent cholesterol build-up and heart disease. Insoluble fiber builds bulk in the intestinal track, assisting in colon health. Apple skins contain a great deal of nutrition. Most of an apple's vitamin C content is contained in the skin, as is much of the apple's insoluble fiber content. The skin also contains much of an apple's aroma and flavor.
Apples are low in calories, easy to carry, a natural mouth cleaner and an inexpensive snack. A medium sized apple contains 81 calories, 21 grams of carbohydrates and 4 grams of fiber. Apples also contain iron, sodium, potassium, calcium, vitamin C, vitamin A, folate and phosphorous. The nutritional value of an apples varies by size and type.