Tomato Facts - Interesting Facts about Tomatoes 94.5% of tomato’s weight is water. Tomato plant originates from the family of Nightshade plants (potato, tobacco, chili peppers) from Central America. Tomatoes can keep longer if you store them with their stem down.Are Tomatoes a good food source?
Tomatoes are also a good source of niacin (vitamin B3), which has been used for years as a safe way to lower high cholesterol levels. Tomatoes are a very good source of potassium. Diets rich in potassium have been shown to lower high blood pressure and reduce the risk of heart disease.