What is NOT common knowledge? What needs to be cited? All statistics, data, figures. References to studies done by others. References to specific facts the average reader would not know about unless he or she had done the research. What is common knowledge? Common knowledge is any information that the average, educated reader would accept as reliable without having to look it up. This includes:
Apples have the vitamins: Vitamin A, Vitamin B1(thiamine) & B2(riboflavin), Niacin, Folate, Pantothenic Acid, Vitamin B6, and Vitamins C, E, & K. There are also other vitamins â¦ in an apple, which only contain small amounts.
Quite impressively, the anti-oxidant capacity of approximately one apple is equivalent to about 1500 mg of vitamin C (although one apple has only about 5 mg of vitamin C). Tannins have anti-oxidant properties, which help in disease protection including cancer prevention.