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.
The best known antioxidant vitamins and minerals are vitamin A, beta-carotene, vitamins C and E, the minerals Selenium, Zinc, Manganese, Copper, and Iron. The body uses these elements to make free radical enzyme scavengers; which neutralize the free radicals. The four most important enzymes that neutralize the free radicals are the superoxide dismutase (SOD) enzyme, methionine reductase, catalase, and glutathione peroxidase.