Whether you refer to tomato as a fruit or a vegetable, there is no doubt
that a tomato is a nutrient-dense, super-food that most people should be eating
more of. The tomato has been referred to as a "functional food," a
food that goes beyond providing just basic
nutrition,
additionally preventing chronic diseases and delivering other health benefits,
due to beneficial phytochemicals such as lycopene. Despite the popularity of
the tomato, only 200 years ago it was thought to be poisonous in the U.S.,
likely because the plant belongs to the nightshade family, of which some
species are truly poisonous.
The benefits of consuming fruits and vegetables of all kinds, including
tomatoes, are infinite. As plant food consumption goes up, the risk of
heart disease,
diabetes,
and
cancer goes down. High fruit and vegetable intake
is also associated with healthy skin and hair, increased energy and lower
weight. Increasing consumption of fruits and vegetables significantly decreases
the risk of
obesity and overall mortality.
As an excellent source of the strong antioxidant
vitamin C and other
antioxidants, tomatoes can help combat the formation of free radicals known to
cause cancer. Lycopene has been linked with
prostate cancer
prevention in several studies. According to John Erdman, Ph.D., Professor
Emeritus of the department of food science and human nutrition at the University
of Illinois, "There's very
good, strong, epidemiological support for increased consumption of tomato
products and lower incidence of prostate cancer.
Among younger men, diets rich in
beta-carotene
may play a protective role against prostate cancer, according to a
study
conducted by the Harvard School of Public Health's Department of Nutrition.
Beta-carotene consumption has been shown to have an
inverse association with
the development of
colon cancer in the
Japanese population. High fiber intakes from tomatoes are associated with
a lowered risk of
colorectal cancer.
The fiber, potassium, vitamin C and chlorine content in tomatoes all
support heart health. An increase in potassium intake along with a decrease in
sodium intake is the most important dietary change that a person can make to
reduce their risk of cardiovascular disease, according to Mark Houston, M.D.,
M.S., an associate clinical professor of medicine at Vanderbilt
Medical School
and director of the Hypertension Institute at St.
Thomas Hospital in
Tennessee.
In one
study, those who consumed 4069 mg of potassium per day had a 49 percent lower
risk of death from ischemic heart disease compared with those who consumed less
potassium (about 1000 mg per day). High potassium intakes are also associated
with a reduced risk of
stroke,
protection against loss of muscle mass, preservation of bone mineral density
and reduction in the formation of
kidney stones.
Studies have shown that type 1 diabetics who consume high-fiber diets
have lower blood glucose levels and type 2 diabetics may have improved blood
sugar, lipids and
insulin levels. One cup of cherry tomatoes
provides about 2 grams
of fiber and potassium.
Collagen, the skins support system, is reliant on vitamin C as an
essential nutrient that works in our body as an antioxidant to help prevent
damage caused by the sun, pollution and smoke, smooth wrinkles and improve
overall skin texture. Eating foods that are high in water content and fiber
like tomatoes can help to keep you hydrated and your bowel movements regular.
Fiber is essential for minimizing
constipation and
adding bulk to the stool.
Adequate
folic acid intake is
essential for pregnant women to protect against neural tube defects in infants
.
The folic acid in tomatoes may also help with
depression by
preventing an excess of homocysteine from forming in the body, which can
prevent blood and other nutrients from reaching the brain. Excess homocysteine
interferes with the production of the feel-good hormones
serotonin, dopamine, and
norepinephrine, which regulate not only mood, but sleep and appetite as well.
One medium tomato (approximately 123 grams) provides 22
calories, 0 grams of fat, 5 grams of
carbohydrate (including 1 gram of fiber and 3 grams of sugar) and 1 gram of protein. Alpha-lipoic acid
helps the body to convert glucose into energy. Some evidence suggests that
alpha-lipoic acid can aid in blood glucose control, improve vasodilation and
protect against retinopathy in diabetic patients and may even help preserve
brain and nerve tissue.
Lycopene is the antioxidant that gives tomatoes their rich red
color. Tomatoes account for 80 percent of lycopene consumption. Choline is an
important nutrient found in tomatoes that helps with sleep, muscle movement,
learning and memory. Choline also helps to maintain the structure of cellular
membranes, aids in the transmission of nerve impulses, assists in the
absorption of fat and reduces chronic
inflammation.