understandable because common knowledge is more complex than is sometimes acknowledged. Common knowledge is information considered known by almost everyone; we do not need to cite common knowledge. Some defining characteristics of common knowledge: Generally accepted facts: George Washington was the first U.S. president. Folklore and common sayings: An apple a day keeps the doctor away.
Antioxidants are present in fresh fruits and vegetables, as well as whole grains. Fruits and veggies that have bright, distinctive colors, such as red tomatoes, purple blueberries, yellow corn and orange carrots, are rich in antioxidants.A number of the vitamins, minerals and compounds in food have antioxidant properties.Vitamins A, C and E are among the most well known, as are beta-carotene, lycopene and selenium. Some foods that contain large amounts of antioxidants include: 1  Carrots.ntioxidants are present in fresh fruits and vegetables, as well as whole grains. Fruits and veggies that have bright, distinctive colors, such as red tomatoes, purple blueberries, yellow corn and orange carrots, are rich in antioxidants.
Antioxidants in foods, including vitamins A, C and E, polyphenols and certain minerals, such as selenium boost immune function by quenching free radicals, highly-reactive compounds that are formed as byproducts of normal processes in the body or enter the body from the environment, according to Penn State University.ecause there are beneficial interactions between antioxidants and other components of foods, health authorities say that getting antioxidants from food may offer health benefits superior to those taken in supplement form.