Folate
Tomatoes are a source of folate, a water-soluble B group vitamin. The body doesn't keep excess amounts of the water-soluble vitamins in reserve, so they must be replenished daily. Folate plays a crucial role in every body function that requires cell division. This helps explain the importance in fetal development. Prior and during pregnancy, folate helps prevent neurological defects, such as spina bifida, in the fetus. All women of childbearing age need to have a regular source of folate.
The many tasks of folate include making blood cells, building muscles, healing wound and producing chemicals that keep the brain and nervous system functioning properly. Folate is essential for a healthy cardiovascular system. High folate content is thought to reduce the risk of heart disease.