The round tomato is the most common tomato.It is refered to when talking about a classic tomato. Tomatoes contain the substance lycopene. The redder the tomato, the higher the lycopene content. Lycopene is an antioxidant and provides protection against prostate cancer and also cardiovascular diseases. Tomatoes contain vitamins C, B1, B2 and B6 and many dietary fibers. It is the classic variant because of its sweet, fresh taste and is excellent on bread and in salads.